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Frequency Characteristics of Insertion Loss and Loop Gain of VSCC Feedback Active EMI Filters IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-24 Qi Chen, Rongxuan Zhang, Zhenyi Niu, Chunying Gong
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Optimization of Source Modeling From Phaseless Near-Field Scanning Based on SVD-Defined Eigenmodes IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-24 Min-Hsu Tsai, Hong-Wen Qian, Wei-Kai Chen, Ming-Chung Huang, Jen-Chieh Liu, Ruey-Beei Wu
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Measurement of unburned methane emissions in laboratory flames using mid-infrared hyperspectral imaging J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-20 Jesús Belmar, David Santalices, Shania Sánchez, Susana Briz, Juan Meléndez
In this study, we present a novel method for measuring unburned methane (CH4) emissions in laboratory flames using mid-infrared hyperspectral imaging. Given the environmental significance of methane’s global warming potential, accurately quantifying emissions from combustion processes is critical. Our approach integrates an extended-area blackbody as the infrared source and a bandpass interference
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PPO Algorithm-Assisted Design of Absorptive Common-Mode Suppression Filters IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-20 Cheng-Pan Huang, Yi-Hao Ma, Qi Qiang Liu, Wen-Sheng Zhao, Bin You, Xiang Wang, Cheng-Hao Yu, Da-Wei Wang
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Influence of Cu2O doping and gamma irradiation on the structural and elastic properties of soda-lime glass Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-19 N. Chutithanapanon, O. Jaiboon, R. Laopaiboon, J. Laopaiboon, C. Bootjomchai
Recycled window glass offers a sustainable alternative for glass production. This study investigates the potential for tailoring its elastic and structural properties using Cu2O doping and gamma irradiation. Glasses with varying Cu2O content (0–1.0 mol%) were fabricated via melt quenching and subjected to gamma irradiation (1 kGy). Ultrasonic velocity measurements, elastic moduli calculations, and
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The effect of europium on structural properties, photoluminescence behavior, and Judd-Ofelt analysis in strontium phosphate glasses for photonic applications Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-19 El Mahdi Bouabdalli, Mohamed El Jouad, Samira Touhtouh, Nathalie Gaumer, El Kebir Hlil, Abdelowahed Hajjaji
Europium-doped phosphate-based glasses possess unique properties that set them apart from other glass types, such as silicates, tellurides, and borates. These glasses have promising applications in photonics, LEDs, optoelectronics, lasers, and more. This study investigates the influence of europium doping on the optical and structural characteristics of synthesized glasses. Pure and europium-doped
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A calibration method for a wireless real-time CMOS pixel medical dosimeter Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-19 K. Kanxheri, L. Fanò, M. Pennicchi, S. Ceccarelli, P. Placidi, L. Servoli
This study introduces and validates a novel calibration function for wireless wearable dosimeters, crucial for real-time dosimetry in interventional radiology. Focusing on enhancing accuracy and safety, it compares data from threshold-based wireless dosimeters with a full-data-read detector. The research involves a central detector and four lateral wireless dosimeters, each equipped with an identically-typed
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Probing variation of the structure and electrical conductivity of functionalized PVA based composite films doped with silver nanoparticles and irradiated by gamma rays Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-18 F.A. Abdel-Wahab, M. Salah, Heba Abdelmaksoud
Polyvinyl alcohol/sulfuric acid/ethanol films doped with nano-silver particles are prepared using in-situ chemical reduction method. The as-prepared films are irradiated with gamma rays at dose range 0–50 kGy. The elemental analysis of as-prepared samples using energy dispersive x-ray spectroscopy (EDXS) showed presence of oxygen and silver peaks which refers to the probable formation of silver oxide
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Generation and Application of a Very Large Dataset for Signal Integrity Via Array and Link Analysis IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-18 Til Hillebrecht, Morten Schierholz, Youcef Hassab, Johannes Alfert, Christian Schuster
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Visualization of Noise Coupling Paths Based on the Reciprocity Theorem IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-18 Seungtaek Jeong, Jong Hwa Kwon, Deepak Pai, Jagan Rajagopalan, Chulsoon Hwang
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Study of a detector prototype for detecting special nuclear materials based on differential die-away technology Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-17 Lianjun Zhang, Mengjiao Tang, Yulai Zheng, Yong Li, Chao Liu, Qiang Wang, Guobao Wang
Differential die-away Analysis (DDAA) technology is a powerful analytical technique to detect fissile materials such as 235U and 239Pu. It can reveal the presence of nuclear materials even when shielded or embedded in non-fissile matrices by inducing fission through externally applied pulsed neutrons. An innovative modular system that is convenient for transportation and suitable for various application
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Tailoring optimal KERMA, projected range, and mass stopping power, and gamma-ray shielding capabilities through BaO/ZnO/CdO/SrO incorporation into Na2O–SiO2 glasses Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-17 Hatice Yilmaz Alan, Ayberk Yilmaz, Lidya Amon Susam, Gizem Ozturk, Gokhan Kilic, Erkan Ilik, Sener Oktik, Baki Akkus, Ghada ALMisned, H.O. Tekin
This study explores the radiation shielding potential of Na2O–SiO2 glass matrices doped with BaO, ZnO, CdO, and SrO, analysed across a broad energy spectrum. The research employed various computational tools such as Phy-X/PSD and PAGEX codes to calculate various shielding parameters, including Kinetic Energy Released in Material (KERMA), mass stopping power, fast neutron, and gamma-ray attenuation
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An inter-comparison between MCNPX and EGSnrc Monte Carlo codes in grid radiotherapy characterization using beta-emitting radionuclides Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-17 Hamid Reza Baghani, Mostafa Robatjazi, Reza Shamsabadi
The applicability of MCNPX and EGSnrc Monte Carlo codes in dosimetric characterization of spatially fractionated radiotherapy (SFRT or grid radiotherapy, in other words) of superficial tumors using beta-emitting radionuclides has been assessed in the current study.
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Lightning Transient Impulse Problem of Substation Grounding Grid in Multilayer Horizontal Layered Soil Considering Soil Ionization Effect and Frequency Characteristics IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-17 Jian-Bin Fan, Zhong-Xin Li
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Optimized CPML for Emulating Electromagnetic Absorbers in Simulations and Its Optimization Utilizing Artificial Neural Network IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-17 Kun-Lai Li, Xinran Ba, Yongliang Zhang, Zhengpeng Wang, Xiaoming Chen
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Indirect effect of elevated pressure via the modulations of crystals intrinsic parameters on radiation shielding efficacy: A comparative study between two α-quartz homeotypes SiO2and GeO2 Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-16 F. Afaneh, S. Al-Omari, Ghada ALMisned, H.O. Tekin, Z.Y. Khattari
This study investigates the indirect effects of elevated pressure on the radiation shielding competence of two α-quartz homeotypes, SiO2 and GeO2, by examining the modulations of their crystal intrinsic tetrahedral parameters. The study focuses on structural modifications and their correlations with radiation attenuation properties. The results show that both homeotypes exhibit energy-dependent mass
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Gamma radiation effects on free radicals, antioxidant activity, phenolic and flavonoid content in royal jelly Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-16 Katerina I. Aleksieva, Ralitsa B. Mladenova, Nikolay Y. Solakov, Kamelia K. Loginovska, Krasimir G. Dimov
Effects of gamma irradiation upon royal jelly were evaluated by means of Electron Paramagnetic Resonance (EPR) spectroscopy, Spectrophotometric studies and Ultra High Performance Liquid Chromatography (UHPLC). Free radicals generation during irradiation, their stability and free radical scavenging activity were determined by EPR. Total phenolic (TPC) and flavonoid content (TFC) were detected by Spectrophotometric
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Modeling of 10 kV Distribution Transformer Excited by Three-Phase Common Mode Transients IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-16 Zong-Yang Wang, Yan-Zhao Xie, Yu-Hao Chen, Ning Dong
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Study on the Effects of Burst Pulse Magnetic Field Interference in IGBT Switching Circuit for High Power Application IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-16 Zheng-Wei Du, Zhe Chen, Dongyan Zhao, Yuankui Wang, Rui Wu, Hui Li, Jin Meng, Wei-Heng Shao, Xin Zhang, Wen-Yan Yin
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Laser beam carrying orbital angular momentum scattering from a particle: Near-field intensity and phase numerical study J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-14 Svetlana Avramov-Zamurovic, Vasanthi Sivaprakasam, Matthew B. Hart, John E. McCarthy
The interaction of the light carrying orbital angular momentum (OAM) with a single spherical particle is explored using a commercial multi-physics simulation platform. The scattering of light with wavelength of 0.532 µm from an ice particle is presented. The research focuses on studying the light-matter interface within an observation volume of radius 10 times the wavelength (5.32 µm) and present near-field
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Helical to wide volume acquisition in lumbar spine CT: Structures scoring based analysis Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-13 Youssef Madkouri, Hamza Sekkat, Youssef El Merabet, Mohammed Talbi, Mohammed Aggour, Farida Bentayeb, Abdellah Khallouqi
This study aims to compare the effectiveness of standard helical CT (HMCT) and volume CT (VMCT) protocols for lumbar spine imaging in terms of radiation dose and image quality. Two groups of 56 patients each (32 males, 24 females) who underwent lumbar spine CT were evaluated. The first group was imaged using HMCT and the second with VMCT. Dosimetric parameters including CTDIvol, DLP, and SSDE for both
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The reverse-DADI method: Computation of frequency-dependent atomic polarizabilities for carbon and hydrogen atoms in hydrocarbon structures J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-13 N. Brosseau-Habert, F. Miradji, S. Picaud, M. Devel
A specific method, combining some ingredients of the well-known DDA and PDI approaches, has been developed in our group since many years to calculate the absorption cross-sections of carbonaceous nanoparticles based on their atomistic details. This method, here named the Dynamic Atomic Dipole Interaction (DADI) model, requires the knowledge of the position and frequency-dependent polarizability of
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Stochastic algorithm for creating highly accurate optimized scattering look-up tables for a large range of size parameters and optical constants J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-13 Robert Furstenberg, Andrew Shabaev, Tyler J. Huffman, Christopher A. Kendziora, R. Andrew McGill
We report a novel algorithm for generating optimized look-up tables suitable for rapid evaluation of various light scattering parameters and other hard-to-evaluate functions. Our method uses a stochastic algorithm to minimize the number of look-up table points needed while achieving high accuracy and speed. As an example, we present a general Mie scattering look-up table applicable to a large range
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Effects of implantation of laser produced Ni plasma ions on CR-39 correlated with surface, structural, optical and electrical properties of polymer Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-12 Shazia Bashir, Shahbaz Ahmad, Nisar Ali, Umm-i Kalsoom, Muhammad Shahid Rafique, Ali Mohammad Alshehri, Wolfgang Husinsky
Laser produced plasma ions implantation has a great potential to change various characteristics of the polymer after irradiation, such as, surface, structural, optical and electrical properties. For this purpose, polymer CR- 39 is implanted by laser produced Ni plasma ions at various fluences ranging from 75 × 1013 to 95 × 1016 ions/cm2. The ion energy estimated by Thomson parabola technique using
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Experimental subshell vacancies in a multiply ionised Sn atom by heavy ion impact Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-12 Masedi Carington Masekane, Iva Bogdanović Radović, Iva Božičević Mihalić, Anja Mioković, Sabata Jonas Moloi, Mandla Msimanga, Stjepko Fazinić
The adoption of Heavy Ion PIXE for elemental quantification remains limited by the lack of fundamental atomic parameters needed for the calculation of X-ray production cross section data. Widely adapted theoretical models used for approximating ionisation cross sections, as well as other atomic physical parameters such as X-ray fluorescence yields, are calculated based on single-hole vacancy production
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Realistic extension of partial-body pediatric CT for whole-body organ dose estimation in radiotherapy patients Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-12 Sergio Morató Rafet, Choonik Lee, Keith T. Griffin, Monjoy Saha, Choonsik Lee, Matthew M. Mille
While modern radiotherapy treatments can deliver a localized radiation dose to the tumor, healthy tissues at distance are inevitably exposed to scatter radiation that has been linked to late health effects such as second cancers. Quantifying the radiation dose received by tissues beyond the target is critical for research on such late health effects. However, the typical radiotherapy planning CT only
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Effect of optical stimulation temperature on the TA-OSL background and signal Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-12 Anuj Soni, D.R. Mishra
The impact of readout temperature on background during optically stimulated luminescence (OSL) measurement is reported in this study. The background signal on un-irradiated phosphors has been found to increase significantly with readout temperature for the samples studied in this work, AlO:C and CaSO:Dy. This increase in background signal with rising stimulation temperature on un-irradiated phosphors
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Resonant-mode metasurface thermal super mirror by deep learning-assisted optimization algorithms J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-12 Ken Araki, Richard Z. Zhang
A “super-mirror” having ultrahigh infrared reflectance is achieved by an optimized photonic contrast grating metasurface. Finding ways to achieve this exceptional performance can be enabled by implementing global optimization and machine learning elements, such as Bayesian optimization and genetic algorithm. Here, we acquired an optimized grating design made of high-index germanium, which excites resonances
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Impedance Reconstruction of Airborne Coaxial Cable for Non-Uniformity Test IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-12 Hongxu Zhao, Kun Lei, Zihan Zheng, Xudong Shi
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Improving Static Energy Meter Robustness Against Conducted EMI With an Analog Low-Pass Filter IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-12 Tom Hartman, Martin van Mast, Bas ten Have, Niek Moonen, Frank Leferink
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A Compton scattering background subtraction method of gamma energy spectrum based on Gaussian function convolution Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-11 Ru-lan Qin, Chang-yuan Li, Zhang-jian Qin, Zhi-hong Zhang, Jun Cai
Due to the influence of the Compton effect and the relatively close gamma energy emitted during certain nuclide decays, gamma-ray spectrum analysis often faces challenges, such as a high count of Compton scattering continuum and overlapping peaks, which leading to some errors in energy spectrum analysis and low nuclide identification rates. This study proposes a spectrum analysis technique that uses
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Quality assurance of magnetic resonance imaging for a polymer gel dosimeter using a 3D-printed phantom Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-11 Hidenobu Tachibana, Yoshihiko Hoshino, Yusuke Watanabe, Keisuke Usui, Shinya Mizukami, Shuhei Shibukawa, Takashi Kodama, Rie Tachibana
Quality assurance (QA) of magnetic resonance imaging (MRI) for gel dosimetry using an in-house phantom was established to ensure consistent dosimetric performance.
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Study on the effect of radiation-resistant resin on water radiolysis Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-11 Tatsuya Ito, Ryuji Nagaishi, Ryo Kuwano, Masao Gohdo, Yoichi Yoshida
In recent years, the use of radiation-resistant resins of polyimide and polyether ether ketone becomes increasing as vessels for irradiation and unsealed radioisotope experiments. However, in our radiolysis experiments, the possibility of interaction between radiolysis products of water and the resin was found, suggesting concerns that the resin may affect reactions in water in radiation fields. To
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Enhancing plastic scintillator performance through advanced injection molding techniques Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-11 Jiahao Zhong, Nouman Ali Shah, Jian Zhou, Jian Tang
The production of plastic scintillators with superior optical properties, including high light yield and optimal emission spectra, plays a pivotal role in facilitating their extensive applicability across various domains. In addition, ensuring robust radiation hardness is essential for these scintillators to serve diverse purposes effectively. Given the significant impact of the optical gap on the
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Composite cellulose/bismuth/PVA nanocrystal for high-performance X-ray radiation shielding Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-11 Rifqah Nurul Ihsani, Ali Hamed Alomari, Paulus Lobo Gareso, Heryanto Heryanto, Ardiansyah Ardiansyah, Muhammad Khalis Abdul Karim, Dahlang Tahir
The strong penetrating power of X-rays causes serious health problems. Longer exposure to radiation that penetrates normal cells can result in gene mutations, cancer, and even death. Protection against radiation exposure is necessary to prevent negative impacts from occurring. This research aims to make apron samples using a simple method based on cellulose as a matrix, bismuth as a filler with concentrations
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Accelerate IEMI Evaluation in the Design Stage Using Parametric Vector-Fitting IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-11 Mingwen Zhang, Chunguang Ma, Ruilong Song, Yong Luo
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Estimation of Reference Impedance in 2x-thru De-embedding With High Conductor-Loss Lines IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-11 Chiu-Chih Chou
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Exploring the impact of field shape on predicted dose distribution in breast cancer patients using deep learning in radiation therapy Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-10 Mohammad Ehsan Ravari, Marziyeh Behmadi, Shahrokh Nasseri, Mehdi Momennezhad
Geometrical information such as field shape is essential for dose calculation in radiation therapy. However, new methods of dose prediction based on deep learning only use CT images and contouring of patients. The aim of this study is to develop a deep learning method for three-dimensional dose prediction for breast cancer radiotherapy using field shape as well as CT and contouring images of patients
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Advances in nano-scale metal-based contrast agents for computed tomography: A systematic review Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-10 Bahman Alipour, Vahideh Alvandi, Mahboobeh Mehrabifard, Omid Talaee, Hammed Zamani, Fatemeh Tabatabayi, Reza Malekzadeh, Tohid Mortezazadeh
In the realm of nanoscale contrast agents (CAs) for computed tomography (CT), this systematic review aims to shed light on the current state of research. Through the comprehensive evaluation of relevant studies, we have summarized the key findings and elucidated the advantages, challenges, and future prospects of nanoscale contrast materials in the domain of X-ray CT. Our investigation entailed a meticulous
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Effect of gamma and ultraviolet irradiation on the optical properties of copper oxide nanostructured thin films by chemical spray pyrolysis Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-10 Mushtaq Abed Al-Jubbori, Omar Ayed, Khalaf Ajaj
Nanostructured copper oxide thin films were grown by the chemical spray pyrolysis (CSP) technique. Utilizing a homemade spray pyrolysis method, thin films are created. This work investigates the role of gamma ray and ultraviolet ray irradiation on the optical properties of copper oxide thin films(CuO) prepared. In this framework, used different substrate temperatures 300 °C, 350 °C, and 400 °C for
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Mueller matrix symmetry for both reciprocal and nonreciprocal metamaterials J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-10 Chiyu Yang, Wenshan Cai, Zhuomin M. Zhang
Mueller matrices relate the Stokes parameters of the incident and emerging light, providing useful information about the radiative properties and other characteristics of the medium. Determining all elements of the 4 × 4 Mueller matrix requires complete polarimetry, which is often challenging to perform. Partial polarimetry, on the other hand, uses simpler optical components in generating and/or analyzing
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Collision induced absorption spectra of N2 and CH4 J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-10 R. Johnson, P. Bernath, B. Billinghurst, J. Zhao
Collision-induced absorption (CIA) spectra of nitrogen and methane are needed to model radiative transfer in atmospheres of objects such as Saturn's moon, Titan. We present rare, extremely low temperature Fourier transform infrared spectra of nitrogen and methane rototranslation CIA in the range of 40–600 cm−1. The peak CIA of methane was found to be 2.05×10−5 cm−1/amagat2 at 123.8 K while nitrogen
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Deep Learning-Based In-Band Interference Detection and Classification IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-10 Andreas Andersson, Patrik Eliardsson, Erik Axell, Kristoffer Hägglund, Kia Wiklundh
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A Generalized Synthesis Technique for High-Order Ultrawideband Microwave Absorbers IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-10 Yun-Jie Zhu, Hanxuan Li, Wanping Zhang, Feng Huang, Bo Li, Lei Zhu
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Electromagnetic Compatibility Prediction of GPS Using Spectral Envelope and Knowledge Distillation IEEE Trans. Electromagn Compat. (IF 2.0) Pub Date : 2024-09-10 Fenglin Shi, Shaoxiong Cai, Yubin Zhao, Yaoyao Li, Donglin Su
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Influence of columnar versus vertical distribution of aerosol properties on the modulation of shortwave radiative effects J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-09 V.N. Santhosh, B.L. Madhavan, M. Venkat Ratnam, Dinesh N. Naik
Quantifying the interaction of atmospheric aerosols with incoming solar radiation remains a challenge owing to the limitations associated with measuring aerosol optical properties. This study investigates how the distribution of aerosol properties, whether columnar or vertical, affects the aerosol radiative forcing (ARF) and heating rates (HRs) across different atmospheric layers under cloud-free conditions
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Mechanical and thermal stability properties improvement of polyethylene wax-coated tungsten carbide/high-density polyethylene γ-rays shielding composites through irradiation-induced crosslinking Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-08 Bingbing Qian, Yaodong Dai, Lingfei Xin, Chuqing Yao, Guohui Wang, Shuquan Chang
It is well known that the properties of polyethylene can be improved by irradiation-induced crosslinking the formation of three-dimensional network structures. This paper investigated the effects of gamma irradiation on the mechanical, thermal stability, and γ-rays shielding properties of TAIC-containing γ-rays shielding composites (HDPE/WC-PEW/TAIC). As a result, SEM images showed that agglomerations
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X-ray irradiation delayed the browning development of fresh-cut bulbs of Lanzhou Lily (Lilium davidii) during room temperature storage Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-07 Jie Ji, Xuehu Li, Xudong Guo, Xiao Liu, Xiaohui Ma, Man Wang, Yuanmeng Wang, Ling Jin, Libin Zhou
Lanzhou lily (Lilium davidii var. willmottiae) are known for its medicinal and culinary attributes and has gained popularity among consumers due to its distinct regional characteristics. However, the bulbs of Lanzhou lily are prone to browning during storage at room temperature, thus adversely affecting their quality and value. X-ray irradiation, a chemical residue-free, and energy-efficient physical
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Gamma, electron beam and X-ray irradiation effects on polymers in an advanced bone cement mixer device Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-07 Donghui Li, Tucker T. Bisel, Scott K. Cooley, Yelin Ni, Mark K. Murphy, Mychal P. Spencer, Md Kamrul Hasan, Leonard S. Fifield, Matt Pharr, David Staack, Min Huang, Suresh D. Pillai, Larry Nichols, Rodney Parker, Erick Gustin
The medical device industry has been investigating ways to increase the use of alternatives to cobalt-60 gamma radiation and ethylene-oxide gas sterilization, such as electron beam (E-beam) and X-ray radiation, due to regulatory and market pressures. One impediment to switching to E-beam or X-ray technology for sterilization is the lack of data on the effects of these radiation sources on medical device
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Terahertz tomography for testing wrapped scintillating crystals Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-07 Vincas Tamošiūnas, Andrzej Urbanowicz, Žygimantas Vosylius, Gintautas Tamulaitis
Terahertz time-domain spectroscopy (THz-TDS) is demonstrated to be effective in novel application, for 3D characterization of wrapped scintillator crystals in search for defects affecting the light-yield of these crystals. This is of special importance for fast scintillators currently in demand to be exploited in high-energy physics experiments and medical imaging devices. Typical inorganic (GAGG:Ce)
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Suppressed narrowband reflectance of nanopatterned silicon photovoltaic cells J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-07 Eslem Enis Atak, Elif Begüm Elçioğlu, Tuba Okutucu Özyurt
The increasing demand for efficient yet nonpolluting energy conversion technologies require the photovoltaic (PV) systems to have fine-tuned optical responses and suppressed thermalization. PV cells that are based on Silicon are commonly patterned via lithography and etching techniques to implement micro/nanoscale surface components to reduce their reflectance on a wide spectrum while enhancing their
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Detecting changes in anthropogenic light emissions: Limits due to atmospheric variability J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-07 Salvador Bará
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Feasibility study of hybrid scanning technique parameters on dose reduction and CT-image quality Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-06 Dohyeon Kim, Haenghwa Lee, Dong-Seok Shin, Youngjin Lee
Recently, dose-reduction techniques have been the focus of radiation-based medical applications. In the present study, a region of interest (ROI) based imaging technique for dose reduction and attempted to solve the limitations and problems of conventional ROI imaging techniques by suggesting a novel hybrid scanning technique were developed. A prototype of the computed tomography (CT) system (TVX-IL1500H
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Simulation study on identification of gamma ray-emitting radionuclides based on scintillation light output ratios Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-06 Seunghyeon Kim, Sangjun Lee, Jae Hyung Park, Jinhong Kim, Seokhyeon Jegal, Siwon Song, Bongsoo Lee
Radiation from gamma-ray emitting radionuclides poses significant health risks due to its high penetrating power. Currently, no technique offers effective shielding against it. Nevertheless, the rapid increase in the production and application of radionuclides warrants efficient and reliable radionuclide-detection systems. Although conventional scintillation detectors that adopt spectral analysis are
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Synthesis, morphology and dosimetric properties of Cr3+ activated Ca2Al2SiO7 nanophosphor prepared via sol-gel route Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-06 S.A. Alawsh, Saif M.H. Qaid, Nassar N. Asemi, Abdullah Ahmed Ali Ahmed, Abdullah S. Aldwayyan
In this study, the structural, morphological, photoluminescence (PL), and dosimetric properties of CaAlSiO: xCr, at various Cr concentrations (0 ≤ x ≤ 1 mol%) have been studied. The phosphor material was synthesized via sol-gel route with an octadecylamine as a catalyst. The average crystallite sizes were estimated to be in the range 21–30 nm using the modified Scherrer method which are in good agreement
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New quantum assignments and analysis of high-resolution H212CO spectra in the range 3700–4450 cm-1 J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-06 A.V. Nikitin, A.A. Rodina, A.E. Protasevich, L. Manceron, M. Rey, V.G. Tyuterev
Four spectra of formaldehyde in natural isotopic abundance in the 3700–5200 cm region were recorded at low temperature 160–166 K at Synchrotron SOLEIL for various pressures. Line positions and intensities were retrieved by non-linear least-squares curve-fitting procedures in the range 3700–4450 cm and analyzed using ab initio based effective Hamiltonian and line intensities computed using new ab initio
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The Quantization Monte Carlo method for solving radiative transport equations J. Quant. Spectrosc. Radiat. Transf. (IF 2.3) Pub Date : 2024-09-06 Laetitia Laguzet, Gabriel Turinici
We introduce the Quantization Monte Carlo method to solve thermal radiative transport equations with possibly several collision regimes, ranging from few collisions to massive number of collisions per time unit. For each particle in a given simulation cell, the proposed method advances the time by replacing many collisions with sampling directly from the escape distribution of the particle. In order
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BSP – Computer code for evaluating protection against bremsstrahlung radiation from extended beta radiation sources Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-05 Vyacheslav S. Izgagin, Michael V. Zhukovsky
For a long time, radiation safety specialists have been aware of computer codes designed to calculate human dose exposure from beta or gamma radiation. However, these products have a major drawback: they do not consider the radiation fields generated by extended beta radiation sources due to bremsstrahlung. Existing solutions are either not widely available or use outdated nuclear-physical constants
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Comprehensive remote calibration of detectors in a radiological surveillance network: From basic response to high-level data analysis Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-05 A. Cerezo, I. Reichardt, E. Prieto, R. Casanovas, C. Rovira, M. Salvadó
We present a new procedure to remotely calibrate gamma spectrometry detectors installed in the open air used in surveillance networks. The procedure includes energy calibration, determination of the energy resolution and estimation of the activity concentration. Our Proportional ROI-Cleaning algorithm (Cerezo et al., 2023) has been applied to different detector types and dimensions (LaBr(Ce), SrI(Eu)
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Simulation of instrumental neutron activation analysis by Monte Carlo method Radiat. Phys. Chem. (IF 2.8) Pub Date : 2024-09-05 B. Jandaghian, B. Shirani Bidabadi, M.H. Choopan Dastjerdi, J. Mokhtari
In this study, the instrumental neutron activation analysis (INAA) process has been simulated using Monte Carlo method in three steps at Isfahan Miniature Neutron Source Reactor (MNSR), and simulation results have been validated by experiments. The thermal neutron flux at the inner irradiation channel of the reactor and the effective multiplication factor (k) of the reactor have been investigated by