Collection Of theses on high power laser and plasma physics, 2012, 10 (1): S20610, Published Online: Jun. 2, 2017  

High-gain all-fiber regenerative amplifier

Author Affiliations
Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
Abstract
An all-fiber regenerative amplifier at 1053 nm is demonstrated. The input signal pulse energy is 75 pJ in a 3.5-ns pulse at a 1-Hz repetition rate. At a low level of input pump power of 110 mW, the saturated output energy is 120 nJ with fluctuation less than 2% root mean square (RMS) even the fluctuation of the input pulse be about 15% (RMS). And the signal-to-noise ratio (SNR) is 66 dB. Maximum output energy of 780 nJ with a total gain of more than 40 dB is obtained at pump power of 130 mW. Scaling to higher pulse energy is constrained by stimulated Raman scattering.

Daxing Rao, Xiaochao Wang, Wei Fan. High-gain all-fiber regenerative amplifier[J]. Collection Of theses on high power laser and plasma physics, 2012, 10(1): S20610.

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