All-solid-state single longitudinal mode MOPA laser system

Xiang Zhang; Haidong Gu; Wenhua Hu; Shilong Ren

doi:10.1117/12.2317671

5 March 2018 All-solid-state single longitudinal mode MOPA laser system

Xiang Zhang, Haidong Gu, Wenhua Hu, Shilong Ren

Proceedings Volume 10710, Young Scientists Forum 2017; 1071047 (2018) https://doi.org/10.1117/12.2317671
Event: Young Scientists Forum 2017, 2017, Shanghai, China

Abstract

Side diode pumped electro-optical Q Switching Nd: YAG is demonstrated as master oscillator. F-P etalon and twisted-mode cavity combined configuration is introduced to select longitudinal modes. The seed light experiences a round trip through the two flash pump amplifiers, in this device, the 4f image transmission system and SBS phase conjugate mirror is adopted in order to improved beam quality, by compensating the heat depolarization effect and eliminate wave-front distortion. In the condition of 1 or 5 repetitions of the wavelength at 1064nm, it produces the pulse energy of 300mJ, pulse width of 12ns, and energy instability (RMS) below 3% in single longitudinal mode operation. With a type two-phase matched KTP crystal, 532nm green light is yielded, at 1 Hz repetition rate, the pulse energy of green light is more than 150mJ.

Citation Download Citation

Xiang Zhang, Haidong Gu, Wenhua Hu, and Shilong Ren "All-solid-state single longitudinal mode MOPA laser system", Proc. SPIE 10710, Young Scientists Forum 2017, 1071047 (5 March 2018); https://doi.org/10.1117/12.2317671

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KEYWORDS

Mirrors

Fabry–Perot interferometers

Oscillators

Reflectivity

Optical amplifiers

Crystals

Nd:YAG lasers

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