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High-power TEM00 and Laguerre-Gaussian mode generation in double resonator configuration
- Authors
- Kim, Dong-joon; Kim, Ji Won
- Issue Date
- Dec-2015
- Publisher
- Springer Verlag
- Citation
- Applied Physics B: Lasers and Optics, v.121, no.3, pp.401 - 405
- Indexed
- SCIE
SCOPUS
- Journal Title
- Applied Physics B: Lasers and Optics
- Volume
- 121
- Number
- 3
- Start Page
- 401
- End Page
- 405
- ISSN
- 0946-2171
- Abstract
- A simple method for controlling the spatial gain distribution in an end-pumped solid-state laser to allow the selective excitation of the fundamental Gaussian (TEM00) and the first-order Laguerre-Gaussian doughnut (LG(01)) modes is reported. This approach has been applied to a Nd:YAG laser yielding 2.21 W of the TEM00 mode output and 1.62 W of the LG(01) mode output at 1064 nm for 7.36 W of incident pump power at 808 nm. The corresponding slope efficiencies with respect to incident pump power were 40 and 32 % for the TEM00 and LG(01) modes, respectively. The underlying mechanism and the prospects for further improvement in laser performance are discussed.
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Related Researcher
- Kim, Ji Won
- COLLEGE OF SCIENCE AND CONVERGENCE TECHNOLOGY (DEPARTMENT OF PHOTONICS AND NANOELECTRONICS)