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Optical Engineering

End-pumped continuous-wave passively mode-locked Nd:YVO4 laser with low pump power
Author(s): Yang Liu; Liqun Sun; Yonggang Wang; Hongyun Qiu; Qian Tian; Xiaoyu Ma
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Paper Abstract

A simple cw mode-locked solid-state laser, which is end-pumped by a low-power laser diode, was demonstrated by optimizing the laser-mode size inside the gain medium. The optimum ratio between mode and pump spot sizes inside the laser crystal was estimated for a cw mode-locked laser, taking into account the input pump power. Calculation and experiment have shown that the optimum ratio was about 3 when the pump power is 2 W, which is different from the value regularly used in passively mode-locked solid-state lasers. This conclusion is also helpful in increasing the efficiency of high-power ultrashort lasers.

Paper Details

Date Published: 1 May 2006
PDF: 5 pages
Opt. Eng. 45(5) 054201 doi: 10.1117/1.2202645
Published in: Optical Engineering Volume 45, Issue 5
Show Author Affiliations
Yang Liu, Tsinghua Univ. (China)
Liqun Sun, Tsinghua Univ. (China)
Yonggang Wang, Institute of Semiconductors (China)
Hongyun Qiu, Tsinghua Univ. (China)
Qian Tian, Tsinghua Univ. (China)
Xiaoyu Ma, Institute of Semiconductors (China)

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