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10 August 2019 Development of pulse-profile-controllable 2- μm wavelength single-frequency all-fiber laser system operating at 10-Hz repetition rate
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Abstract

A compact single-frequency master oscillator power amplifier laser system composed of three-stage thulium-doped fiber amplifiers was developed. At a repetition rate of 10 Hz, >100-μJ pulse energy at 2050.5-nm wavelength, with ∼431-ns pulse width, was achieved successfully. The pulse profile could be actively controlled by adjusting the drive signal of an acoustic-optical modulator. This all-fiber laser system could be utilized as a seeder laser for a solid-state power amplifier system.

© 2019 Society of Photo-Optical Instrumentation Engineers (SPIE) 0091-3286/2019/$28.00 © 2019 SPIE
Yilan Chen, Junxuan Zhang, Xiaolei Zhu, Jiqiao Liu, and Weibiao Chen "Development of pulse-profile-controllable 2- μm wavelength single-frequency all-fiber laser system operating at 10-Hz repetition rate," Optical Engineering 58(8), 086106 (10 August 2019). https://doi.org/10.1117/1.OE.58.8.086106
Received: 8 April 2019; Accepted: 23 July 2019; Published: 10 August 2019
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