10.5 W single-beam-output passively mode-locked Nd:YVO4 oscillator end-pumped by 808nm laser diode

Junjie Chi; Pingxue Li; Chun Yang; Ziqiang Zhao; Yao Li; Xiongfei Wang; Guoshun Zhong; Hong Zhao; Dongsheng Jiang

doi:10.1117/12.2069559

21 August 2014 10.5 W single-beam-output passively mode-locked Nd:YVO₄ oscillator end-pumped by 808nm laser diode

Junjie Chi, Pingxue Li, Chun Yang, Ziqiang Zhao, Yao Li, Xiongfei Wang, Guoshun Zhong, Hong Zhao, Dongsheng Jiang

Proceedings Volume 9233, International Symposium on Photonics and Optoelectronics 2014; 92330N (2014) https://doi.org/10.1117/12.2069559
Event: International Symposium on Photonics and Optoelectronics (SOPO 2014), 2014, Suzhou, China

Abstract

We demonstrate a 10.5 W passively mode-locked Nd:YVO₄ oscillator end-pumped by 808 nm laser diode. A novel resonator structure with large mode field space is introduced to solve thermal lens effect and semiconductor saturable absorber mirror’s (SESAM) damage, and then we achieve a single-beam-output picosecond pulse laser without inserting any other laser output elements in laser resonator. The repetition rate of mode-locked pulse is 63.4 MHz with 12.9 ps pulse width, corresponding to maximum pulse energy of 166 nJ and peak power of 12.9 kW. In addition, we discover a complete evolution process of pulses from Q-switched mode-locking to continuous wave (CW) mode-locking for the first time.

Citation Download Citation

Junjie Chi, Pingxue Li, Chun Yang, Ziqiang Zhao, Yao Li, Xiongfei Wang, Guoshun Zhong, Hong Zhao, and Dongsheng Jiang "10.5 W single-beam-output passively mode-locked Nd:YVO₄ oscillator end-pumped by 808nm laser diode", Proc. SPIE 9233, International Symposium on Photonics and Optoelectronics 2014, 92330N (21 August 2014); https://doi.org/10.1117/12.2069559

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