Q-switched operation of dual-cavity Nd:YAG lasersQ-switched operation of dual-cavity Nd:YAG lasers
- Other Titles
- Q-switched operation of dual-cavity Nd:YAG lasers
- Authors
- Park, E.K.; Oh, Yejin; Park, I.C.; Kim, Jiwon
- Issue Date
- Nov-2023
- Publisher
- 한국물리학회
- Keywords
- Beam profile; Laser resonator; Nd:YAG; Q-switched operation
- Citation
- Journal of the Korean Physical Society, v.83, no.11, pp 1 - 6
- Pages
- 6
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- Journal of the Korean Physical Society
- Volume
- 83
- Number
- 11
- Start Page
- 1
- End Page
- 6
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/116021
- DOI
- 10.1007/s40042-023-00949-w
- ISSN
- 0374-4884
1976-8524
- Abstract
- We report Q-switched operation of a dual-cavity Nd:YAG laser with a fundamental Gaussian TEM00 mode, a first-order Laguerre–Gaussian mode, or a multimode, which can be selected simply by adjusting the apertures in the primary and secondary cavities. By exploiting an acousto-optic modulator, the laser produced Q-switched pulses of a pulse energy of 146 μJ with a pulse duration of 101 ns at a repetition rate of 1 kHz in the TEM00 mode, 140 μJ with a pulse duration of 102 ns in the LG01 mode, and 160 μJ with a pulse duration of 98 ns in the multimode. A simple analytical expression for the overlap efficiency of the LG01 mode in the dual-cavity resonator is also derived, showing that the calculated result is in very good agreement with the experimental value. The prospects of further improvement in the dual-cavity laser with tunable laser beam profiles are discussed. © 2023, The Korean Physical Society.
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