Passively Q-switched flashlamp pumped Nd:YAG laser using liquid graphene oxide as saturable absorber

Adnan, N.N. and Bidin, N. and Taib, N.A.M. and Haris, H. and Fakaruddin, M. and Hashim, A.M. and Krishnan, G. and Harun, Sulaiman Wadi (2016) Passively Q-switched flashlamp pumped Nd:YAG laser using liquid graphene oxide as saturable absorber. Optics & Laser Technology, 80. pp. 28-32. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2015.12.016.

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Official URL: http://dx.doi.org/10.1016/j.optlastec.2015.12.016

Abstract

The performance of passively Q-switched Nd:YAG laser operating at 1060 nm is demonstrated using liquid graphene oxide (GO) composite solution as saturable absorber for the first time. The Q-switched Nd:YAG laser is pumped by a xenon flashlamp. The GO was prepared using the simplified Hummer's method and then mixed with polyethylene oxide to form a composite solution. The Q-switched pulsed laser operates at wavelength of 1064.5 nm with a threshold pump energy of 33.64 J. The maximum output Q-switched laser energy of 41.6 mJ achieved at the maximum pump energy of 81 J. The corresponding pulse width is 98.67 ns.

Item Type: Article
Funders: Government of Malaysia: FRGS 4F543, University of Malaya: (Grant no: RP008C-13AET and PG113-2014A)
Uncontrolled Keywords: Q-switched Nd:YAG laser; Graphene oxide; Passive Q-switching
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 24 Oct 2017 01:26
Last Modified: 09 Oct 2018 03:39
URI: http://eprints.um.edu.my/id/eprint/18072

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