Gain coefficient and resonator losses of neodymium- doped yttrium aluminium garnet laser

The resonator losses and gain coefficient in the laser material are very important in the optimization process of a laser system especially in Q-switching. The purpose of this study is to determine the gain coefficient and resonator losses of Nd:YAG laser system and also to determine the maximum out...

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Main Author:	Abdul Hadi, Norha
Format:	Thesis
Language:	English English English
Published:	2009
Subjects:	QC Physics
Online Access:	http://eprints.utm.my/id/eprint/18323/1/NorhaAbdulHadiMFSA2009ABS.pdf http://eprints.utm.my/id/eprint/18323/3/NorhaAbdulHadiMFSA2009CHAP1.pdf http://eprints.utm.my/id/eprint/18323/4/NorhaAbdulHadiMFSA2009TOC.pdf
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id	my-utm-ep.18323
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spelling	my-utm-ep.183232018-06-25T09:01:49Z Gain coefficient and resonator losses of neodymium- doped yttrium aluminium garnet laser 2009 Abdul Hadi, Norha QC Physics The resonator losses and gain coefficient in the laser material are very important in the optimization process of a laser system especially in Q-switching. The purpose of this study is to determine the gain coefficient and resonator losses of Nd:YAG laser system and also to determine the maximum output energy at different mirror reflectivity. The Findlay-Clay analysis is an easy method to characterize the resonator losses and gain coefficient by using output mirrors with different reflectivities, R. In this study, xenon flashlamp was used as a pumping source for Nd:YAG laser crystal. The laser chamber was deposed in a plano-concave resonator. The Nd:YAG laser system was operated only for single pulse in two mode, free running and Q-switch. The output energy of the laser was verified by using seven different reflectivity output coupler. The result obtained showed that, the resonator losses and gain coefficient of threshold energy for free running mode operation are 1.128 and 0.075 and for Qswitch mode operation are 0.171 and 0.011 . This study expected that the energy losses should be greater in Q-switched mode because the absorption and reflection in the beam modulator as well as the effect of electro-optic. 2009 Thesis http://eprints.utm.my/id/eprint/18323/ http://eprints.utm.my/id/eprint/18323/1/NorhaAbdulHadiMFSA2009ABS.pdf application/pdf en public http://eprints.utm.my/id/eprint/18323/3/NorhaAbdulHadiMFSA2009CHAP1.pdf application/pdf en public http://eprints.utm.my/id/eprint/18323/4/NorhaAbdulHadiMFSA2009TOC.pdf application/pdf en public masters Universiti Teknologi Malaysia, Faculty of Science Faculty of Science
institution	Universiti Teknologi Malaysia
collection	UTM Institutional Repository
language	English English English
topic	QC Physics
spellingShingle	QC Physics Abdul Hadi, Norha Gain coefficient and resonator losses of neodymium- doped yttrium aluminium garnet laser
description	The resonator losses and gain coefficient in the laser material are very important in the optimization process of a laser system especially in Q-switching. The purpose of this study is to determine the gain coefficient and resonator losses of Nd:YAG laser system and also to determine the maximum output energy at different mirror reflectivity. The Findlay-Clay analysis is an easy method to characterize the resonator losses and gain coefficient by using output mirrors with different reflectivities, R. In this study, xenon flashlamp was used as a pumping source for Nd:YAG laser crystal. The laser chamber was deposed in a plano-concave resonator. The Nd:YAG laser system was operated only for single pulse in two mode, free running and Q-switch. The output energy of the laser was verified by using seven different reflectivity output coupler. The result obtained showed that, the resonator losses and gain coefficient of threshold energy for free running mode operation are 1.128 and 0.075 and for Qswitch mode operation are 0.171 and 0.011 . This study expected that the energy losses should be greater in Q-switched mode because the absorption and reflection in the beam modulator as well as the effect of electro-optic.
format	Thesis
qualification_level	Master's degree
author	Abdul Hadi, Norha
author_facet	Abdul Hadi, Norha
author_sort	Abdul Hadi, Norha
title	Gain coefficient and resonator losses of neodymium- doped yttrium aluminium garnet laser
title_short	Gain coefficient and resonator losses of neodymium- doped yttrium aluminium garnet laser
title_full	Gain coefficient and resonator losses of neodymium- doped yttrium aluminium garnet laser
title_fullStr	Gain coefficient and resonator losses of neodymium- doped yttrium aluminium garnet laser
title_full_unstemmed	Gain coefficient and resonator losses of neodymium- doped yttrium aluminium garnet laser
title_sort	gain coefficient and resonator losses of neodymium- doped yttrium aluminium garnet laser
granting_institution	Universiti Teknologi Malaysia, Faculty of Science
granting_department	Faculty of Science
publishDate	2009
url	http://eprints.utm.my/id/eprint/18323/1/NorhaAbdulHadiMFSA2009ABS.pdf http://eprints.utm.my/id/eprint/18323/3/NorhaAbdulHadiMFSA2009CHAP1.pdf http://eprints.utm.my/id/eprint/18323/4/NorhaAbdulHadiMFSA2009TOC.pdf
_version_	1747815246914912256

Gain coefficient and resonator losses of neodymium- doped yttrium aluminium garnet laser

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