Issue 45, 2018, Issue in Progress
From the journal:

RSC Advances

Chitosan capped nickel oxide nanoparticles as a saturable absorber in a tunable passively Q-switched erbium doped fiber laser

Harith Ahmad, ORCID logo †*a   Siti Aisyah Reduana  and  Norazriena Yusoffa  

* Corresponding authors

a Photonics Research Center, University of Malaya, 50603 Kuala Lumpur, Malaysia
E-mail: harith@um.edu.my

Abstract

Nickel oxide (NiO) nanoparticles successfully prepared from a nickel(II) chloride hexahydrate precursor are used to form a chitosan capped NiO nanoparticle thin film to serve as a saturable absorber (SA) for the generation of passively Q-switched pulses in an erbium doped fiber laser (EDFL). The NiO/chitosan SA based EDFL is able to generate stable pulsed outputs at a low threshold pump power of 104.90 mW with a central wavelength at 1562 nm. The highest pulse energy obtainable by the system is 15.30 nJ at a repetition rate of 42.66 kHz and a pulse duration of 2.02 μs. The laser has a spectral range of 58 nm from 1522 to 1580 nm, covering the C and L bands and even portions of the S band. This study experimentally demonstrates that the potential of the NiO/chitosan film as an SA material for Q-switching operations, combined with the biocompatibility, non-toxicity and high thermal resistance of Chitosan, holds great prospects for a broad range of applications.

Graphical abstract: Chitosan capped nickel oxide nanoparticles as a saturable absorber in a tunable passively Q-switched erbium doped fiber laser

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Article information

DOI
https://doi.org/10.1039/C8RA04380A
Article type
Paper
Submitted
23 May 2018
Accepted
07 Jul 2018
First published
18 Jul 2018
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2018,8, 25592-25601

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Chitosan capped nickel oxide nanoparticles as a saturable absorber in a tunable passively Q-switched erbium doped fiber laser

H. Ahmad, S. A. Reduan and N. Yusoff, RSC Adv., 2018, 8, 25592 DOI: 10.1039/C8RA04380A

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