21 August 2014 10.5 W single-beam-output passively mode-locked Nd:YVO4 oscillator end-pumped by 808nm laser diode
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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.
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Junjie Chi, Pingxue Li, Chun Yang, Ziqiang Zhao, Yao Li, Xiongfei Wang, Guoshun Zhong, Hong Zhao, 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); doi: 10.1117/12.2069559; https://doi.org/10.1117/12.2069559
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