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High power generation of adaptive laser beams in a Nd:YVO4 MOPA system
- Authors
- Noh, Seong Hee; Kim, Dong-joon; Kim, Ji Won
- Issue Date
- Dec-2017
- Publisher
- Zhongguo Kexue Zazhishe/Science in China Press
- Citation
- Chinese Optics Letters, v.15, no.12, pp.1 - 5
- Indexed
- SCIE
SCOPUS
- Journal Title
- Chinese Optics Letters
- Volume
- 15
- Number
- 12
- Start Page
- 1
- End Page
- 5
- ISSN
- 1671-7694
- Abstract
- We report efficient power scaling of the laser output with an adaptive beam profile from an Nd:YAG dual-cavity master oscillator using a three-stage end-pumped Nd:YVO4 amplifier. We succeed in the fast switching of an excited laser mode by modulating an acousto-optic modulator loss in a dual-cavity master oscillator, thereby achieving temporal modulation of the output beam profile. The outputs from the master oscillator are amplified via a three-stage power amplifier yielding 36.6, 40.5, and 45.4 W of the maximum output at 116.8 W of incident pump power for the transverse electromagnetic, Laguerre-Gaussian, and quasi-top-hat beam, respectively. The prospects for further power scaling and applications via the dual-cavity master-oscillator power-amplifier (MOPA) system are considered.
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Related Researcher
- Kim, Ji Won
- COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY (DEPARTMENT OF PHOTONICS AND NANOELECTRONICS)