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Appl. Sci. 2017, 7(10), 997;

A High-Energy, 100 Hz, Picosecond Laser for OPCPA Pumping

State Key Laboratory of High Field Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, 390# Qinghe Road, Jiading District, Shanghai 201800, China
University of Chinese Academy of Sciences, Beijing 100190, China
Authors to whom correspondence should be addressed.
Received: 31 August 2017 / Accepted: 25 September 2017 / Published: 27 September 2017
(This article belongs to the Special Issue Solid State Lasers Materials, Technologies and Applications)
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A high-energy diode-pumped picosecond laser system centered at 1064 nm for optical parametric chirped pulse amplifier (OPCPA) pumping was demonstrated. The laser system was based on a master oscillator power amplifier configuration, which contained an Nd:YVO4 mode-locked seed laser, an LD-pumped Nd:YAG regenerative amplifier, and two double-pass amplifiers. A reflecting volume Bragg grating with a 0.1 nm reflective bandwidth was used in the regenerative amplifier for spectrum narrowing and pulse broadening to suit the pulse duration of the optical parametric amplifier (OPA) process. Laser pulses with an energy of 316.5 mJ and a pulse duration of 50 ps were obtained at a 100 Hz repetition rate. A top-hat beam distribution and a 0.53% energy stability (RMS) were achieved in this system. View Full-Text
Keywords: diode-pumped solid-state laser; picosecond laser; OPCPA pumping diode-pumped solid-state laser; picosecond laser; OPCPA pumping

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Su, H.; Peng, Y.; Chen, J.; Li, Y.; Wang, P.; Leng, Y. A High-Energy, 100 Hz, Picosecond Laser for OPCPA Pumping. Appl. Sci. 2017, 7, 997.

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