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Proceedings Paper

Generation of passively Q-switched and mode-locked pulses from a Nd:YAG laser with a GaAs output coupler
Author(s): Deyuan Shen; Ding Yuan Tang; Jingang Liu; Siu Chung Tam
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Paper Abstract

Passively Q-switching and mode-locking has been realized in a diode-pumped Nd:YAG laser using a GaAs wafer as an output coupler as well as a saturable absorber. The laser has a Z-type cavity to achieve a tight-focused beam at the saturable absorber and to realize an optimum mode matching in the laser crystal simultaneously. At an incident pump power of 13.8 W, the average output power was 1.62 W. The repetition rate and pulse width of the Q-switched pulses are in the range of 29 to approximately 73 kHz and 0.73 to approximately 1.87 microsecond(s) , respectively. The mode-locked pulses were measured to have a repetition rate of 154 MHz and an average pulse duration of 42 ps.

Paper Details

Date Published: 29 October 2001
PDF: 8 pages
Proc. SPIE 4595, Photonic Systems and Applications, (29 October 2001); doi: 10.1117/12.446610
Show Author Affiliations
Deyuan Shen, Nanyang Technological Univ. (Singapore)
Ding Yuan Tang, Nanyang Technological Univ. (Singapore)
Jingang Liu, Denselight Semiconductors Pte Ltd. and Nanyang Technological Univ. (Singapore)
Siu Chung Tam, Denselight Semiconductors Pte Ltd. and Nanyang Technological Univ. (Singapore)

Published in SPIE Proceedings Vol. 4595:
Photonic Systems and Applications
Yakov S. Sidorin; Ding Yuan Tang, Editor(s)

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