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Compensation of thermal loss in free-electron laser with optimal tapering and pre-bunching

Published online by Cambridge University Press:  21 May 2020

F. Bazouband*
Affiliation:
Department of Physics, Fasa University, Fasa74616-86131, Iran
*
Author for correspondence: F. Bazouband, Department of Physics, Fasa University, Fasa74616-86131, Iran. E-mail: fbazooband@gmail.com, bazuband.f@fasau.ac.ir

Abstract

Increasing the output power of a long-wavelength free-electron laser (FEL), despite the destroying effects of beam energy spread, is studied using the optimal pre-bunching of the thermal electron beam along with the optimal tapering of the planar wiggler magnetic field. A set of self-consistent coupled nonlinear differential equations in three dimensional that describe the evolution of radiation and electron beam in the interaction zone are solved numerically by the Runge–Kutta method. The axial energy spread is considered and it degrades the FEL performance by reducing the saturation power and increasing the saturation length. To compensate these destroying effects, the optimum function or degree of electron beam pre-bunching and optimum parameters of wiggler tapering are found by the successive runs of the simulation code.

Type
Research Article
Copyright
Copyright © The Author(s), 2020. Published by Cambridge University Press

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References

Arbel, M, Eichenbaum, AL, Kleinman, H, Yakover, IM, Abramovich, A, Pinhasi, Y, Luria, Y, Tecimer, M and Gover, A (2001) Enhancement of FEM radiation by prebunching of the e-beam (stimulated super-radiance). Nuclear Instruments and Methods in Physics Research Section A 475, 303307.CrossRefGoogle Scholar
Babaei, S and Maraghechi, B (2008) Plasma-loaded free-electron laser with thermal electron beam and background plasma. Physics of Plasmas 15, 013102013110.CrossRefGoogle Scholar
Bazouband, F and Maraghechi, B (2012) Improvement of nonlinear harmonics in free electron laser with planar wiggler. Physics of Plasmas 19, 113106.CrossRefGoogle Scholar
Bazouband, F and Maraghechi, B (2013) Efficiency enhancement of nonlinear odd harmonics in thermal free electron laser. Journal of Applied Physics 113, 1731017318.CrossRefGoogle Scholar
Bazouband, F and Maraghechi, B (2015) Nonlinear third harmonic radiation in thermal free electron laser with modified wiggler. Journal of Plasma Physics 81, 905810305.CrossRefGoogle Scholar
Beniwal, V, Sharma, SC and Sharma, MK (2004) Effect of beam premodulation on gain and efficiency in a free electron laser. Physics of Plasmas 11, 57165722.CrossRefGoogle Scholar
Biswas, B, Gupta, SK, Kale, U, Khursheed, M, Kumar, A, Kumar, V, Lal, S, Nerpagar, P, Pant, KK, Patel, A, et al. (2010) Development and commissioning of the CUTE-FEL injector. IPAC'10, JACoW, kyoto, Japan.Google Scholar
Carr, GL, Martin, MC, McKinney, WR, Jordan, K, Neil, GR and Williams, GP (2002) High-power terahertz radiation from relativistic electrons. Nature 420, 153156.CrossRefGoogle ScholarPubMed
Chakhmachi, A and Maraghechi, B (2009) Stability properties of free-electron laser in Raman regime with thermal electron beam. Physics of Plasmas 16, 043110043117.CrossRefGoogle Scholar
Cherkassky, VS, Knyazev, BA, Kubarev, VV, Kulipanov, GN, Kuryshev, GL, Matveenko, AN, Petrov, AK, Popik, VM, Scheglov, MA, Shevchenko, OA, et al. (2005) Imaging techniques for a high-power THz free electron laser. Nuclear Instruments and Methods in Physics Research Section A 543, 102109.CrossRefGoogle Scholar
Chitsazi, M, Maraghechi, B and Rouhani, MH (2010) Three-dimensional simulation of efficiency enhancement in free-electron laser with prebunched electron beam. Physics of Plasmas 17, 103114103116.CrossRefGoogle Scholar
Cohen, M, Kugel, A, Chairman, D, Arbel, M, Kleinman, H, Ben-Haim, D, Eichenbaum, A, Draznin, M, Pinhasi, Y, Yakover, I, et al. (1995) Free electron maser experiment with a prebunched beam. Nuclear Instruments and Methods in Physics Research Section A 358, 8285.CrossRefGoogle Scholar
Denis, T, Reijnders, B, Lee, JHH, van der Slot, PJM and Boller, KJ (2011) High power microwave photonic free-electron laser. Physics@FOM Veldhoven, Stichting FOM, Veldhoven, Netherlands.Google Scholar
Freund, HP (1991) Nonlinear analysis and modeling of free-electron-laser and microwave devices. In Drobot, AT (ed.), Computer Applications in Plasma Science and Engineering. New York: Springer.Google Scholar
Freund, HP (1995) Nonlinear theory of short-wavelength free-electron lasers. Physical Review E 52, 54015415.CrossRefGoogle ScholarPubMed
Freund, HP and Antonsen, JM (1996) Principle of Free Electron Laser, Chp. 5. London: Chapman and Hall.Google Scholar
Freund, HP and Miner, JWH (2009) Efficiency enhancement in seeded and self-amplified spontaneous emission free-electron lasers by means of a tapered wiggler. Journal of Applied Physics 105, 113106.CrossRefGoogle Scholar
Freund, HP, Bluem, H and Chang, CL (1987) Three-dimensional nonlinear analysis of free-electron-laser amplifiers with planar wigglers. Physical Review A 36, 21822198.CrossRefGoogle ScholarPubMed
Freund, HP, Davidson, RC and Kirkpatrick, DA (1991) Thermal effects on the linear gain in free-electron lasers. IEEE Journal of Quantum Electronics 21, 25502559.CrossRefGoogle Scholar
Freund, HP, O'Shea, PG and Neumann, J (2003) Simulation of prebunching in free-electron lasers. Nuclear Instruments and Methods in Physics Research Section A 507, 400403.CrossRefGoogle Scholar
Freund, HP, Nguyen, DC and Carlsten, B (2012) Three-dimensional analysis of prebunched electron beams in an X-ray free-electron laser. Physical Review Special Topics – Accelerators and Beams 15, 030704.CrossRefGoogle Scholar
Hafizi, B and Roberson, CW (1992) Effect of emittance and energy spread on a free-electron laser in the gain-focusing regime. Physical Review Letters 68, 35393542.CrossRefGoogle ScholarPubMed
Hartzell, KR (1989) A free-electron laser amplifier with variable wigglers. Journal of Physics D: Applied Physics 22, 10421049.CrossRefGoogle Scholar
Jafari Bahman, F and Maraghechi, B (2012) Efficiency enhancement in free-electron laser amplifier with one dimensional helical wiggler and ion-channel guiding. Physics of Plasmas 19, 013107013114.CrossRefGoogle Scholar
Jafari Bahman, F and Maraghechi, B (2013) Three-dimensional nonlinear efficiency enhancement analysis in free-electron laser amplifier with prebunched electron beam and ion-channel guiding. Physics of Plasmas 20 , 023101-1-10.CrossRefGoogle Scholar
James, MB and Miller, RH (1981) A high current injector for the proposed SLAC linear collider. IEEE Transactions on Nuclear Science 28, 34613463.CrossRefGoogle Scholar
Kumar, AVR, Mohandas, KK and Jain, KK (1998) Generation of microwave free-electron laser radiation using sheet electron beam and planar electromagnetic wiggler. IEEE Transactions on Plasma Sciences 26, 556560.CrossRefGoogle Scholar
Kumar, A, Biswas, B, Gupta, SK, Kale, U, Khursheed, M, Kumar, V, Lal, S, Nerpagar, P, Pant, KK, Patel, A, et al. (2011) Terahertz Radiation from an Undulator Based FEL in India. India: Inter University Accelerator Centre.Google Scholar
Lampel, M, Pellegrini, C, Zhang, R, Joshi, C and Fawley, WM (1995) An injector-prebuncher for a plasma electron accelerator. Particle Accelerator Conference, IEEE, Dallas, Texas, pp. 764–766.CrossRefGoogle Scholar
Mahdizadeh, N (2018) Thermal effect on electron trajectory and growth rate in a two-stream free electron laser with a guide field. AIP Advances 8, 075220075221.CrossRefGoogle Scholar
Mak, A, Curbis, F and Werin, S (2015) Model-based optimization of tapered free-electron lasers. Physical Review Special Topics – Accelerators and Beams 18, 040702-1-11.CrossRefGoogle Scholar
Maraghechi, B, Jokar, M, Bahman, FJ and Naeimabadi, A (2013) Three-dimensional and nonlinear analysis of efficiency enhancement in the E×B drifting electron laser with a prebunched electron beam and a planar wiggler. Journal of Plasma Physics 79, 739749.CrossRefGoogle Scholar
Mirian, NS and Maraghechi, B (2013) Thermal effect on prebunched two-beam free electron laser. Physics of Plasmas 20, 083102.CrossRefGoogle Scholar
Nam, S-K (2018) Effects of wiggler error in a free-electron laser oscillator with two electron beams. Laser and Particle Beams 36, 448453.CrossRefGoogle Scholar
Nam, SK and Kim, KB (2002) The effect of the tapered wiggler in a free-electron laser. Nuclear Instruments and Methods in Physics Research Section A 483, 542547.CrossRefGoogle Scholar
Nam, S-K and Park, Y (2019) Effects of waveguides on a free-electron laser with two electron beams. Laser and Particle Beams 37, 386391.CrossRefGoogle Scholar
Orzechowski, TJ, Anderson, BR, Clark, JC, Fawley, WM, Paul, AC, Prosnitz, D, Scharlemann, ET, Yarema, SM, Hopkins, DB, Sessler, AM, et al. (1986) High-efficiency extraction of microwave radiation from a tapered-wiggler free-electron laser. Physical Review Letters 57, 21722175.CrossRefGoogle ScholarPubMed
Rezvani Jalal, M and Aghamir, FM (2011) Effect of energy spread on micro-bunching from shot noise in SASE FELs. Physics Letters A 375, 17961802.CrossRefGoogle Scholar
Rouhani, MH and Maraghechi, B (2009) Efficiency enhancement in a single-pass Raman free electron laser. Physics of Plasmas 16, 093110093119.CrossRefGoogle Scholar
Rouhani, MH and Maraghechi, B (2010) Simulation of a prebunched free-electron laser with planar wiggler and ion channel guiding. Physics of Plasmas 17, 023104023109.CrossRefGoogle Scholar
Salehi, E, Maraghechi, B and Mirian, N (2016) Three-dimensional simulation of thermal harmonic lasing FEL with detuning of the fundamental. Physics of Plasmas 23, 033116-1-9.CrossRefGoogle Scholar
Shibata, Y, Ishi, K, Ono, S, Inoue, Y, Sasaki, S, Ikezawa, M, Takahashi, T, Matsuyama, T, Kobayashi, K, Fujita, Y, et al. (1997) Broadband free electron laser by the use of prebunched electron beam. Physical Review Letters 78, 27402743.CrossRefGoogle Scholar
Shiho, M, Watanabe, A, Koarai, T, Maebara, S, Ishizuka, H, Takayama, K, Kishiro, J, Horioka, K, Ogawa, M and Kawasaki, S (1997) Simulation study on efficiency enhancement of 10–140 GHz FEL with wiggler tapering and a prebunched e-beam. Nuclear Instruments and Methods in Physics Research Section A 393, 289294.CrossRefGoogle Scholar
Wang, XJ, Freund, HP, Harder, D, Miner, WH, Murphy, JB Jr., Qian, H, Shen, Y and Yang, X (2009) Efficiency and spectrum enhancement in a tapered free-electron laser amplifier. Physical Review Letters 103, 154801.CrossRefGoogle Scholar
Zhukovsky, K (2017) Soft X-ray generation in cascade SASE FEL with two-frequency undulator. EPL (Europhysics Letters) 119, 34002.CrossRefGoogle Scholar