High power diode-pumped passively mode-locked Nd:YVO4 laser at repetition rate of 3.2 GHz

doi:10.1088/1674-1056/28/5/054205

Abstract

A compact high power diode-pumped passively mode-locked Nd:YVO₄ laser with high repetition rate is realized. Using an Nd:YVO₄ crystal and a semiconductor saturable absorber mirror (SESAM) in the oscillator, the picosecond pulse output with an average power of 1.38 W, a repetition rate of 3.24 GHz, and a pulse duration of 11.4 ps is achieved. After one stage of amplification, the final output power reaches 11.34 W, corresponding to a total optical-to-optical efficiency of about 32%. The root mean square (RMS) value of power fluctuation is demonstrated to be less than 0.6% in 24 hours, showing a superior stability with the compact configuration.

Keywords: all-solid-state laser high repetition rate Nd:YVO₄ laser mode-locked laser

Received: 09 January 2019
Revised: 25 January 2019
Accepted manuscript online:

PACS:	42.55.Xi	(Diode-pumped lasers)
	42.60.Fc	(Modulation, tuning, and mode locking)

Fund:

Project supported by the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No. XDB16030200), the National Natural Science Foundation of China (Grant Nos. 11774410 and 61575217), the National Key Scientific Instruments Development Program of China (Grant No. 2012YQ120047), and the Key Research Program of Frontier Sciences of Chinese Academy of Sciences (Grant No. KJZD-EW-L11-03).

Corresponding Authors: Zhao-Hua Wang, Zhi-Yi Wei
E-mail: zhwang@iphy.ac.cn;zywei@iphy.ac.cn

Cite this article:

Meng-Yao Cheng(程梦尧), Zhao-Hua Wang(王兆华), Yan-Fang Cao(曹艳芳), Xiang-Hao Meng(孟祥昊), Jiang-Feng Zhu(朱江峰), Jun-Li Wang(王军利), Zhi-Yi Wei(魏志义) High power diode-pumped passively mode-locked Nd:YVO₄ laser at repetition rate of 3.2 GHz 2019 Chin. Phys. B 28 054205

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High power diode-pumped passively mode-locked Nd:YVO4 laser at repetition rate of 3.2 GHz

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High power diode-pumped passively mode-locked Nd:YVO₄ laser at repetition rate of 3.2 GHz