LD-pumped double-clad fiber single-frequency power amplifier

Wen-Feng Sun; Su-Hui Yang; Chang-Ming Zhao

doi:10.1117/12.667352

30 December 2005 LD-pumped double-clad fiber single-frequency power amplifier

Wen-Feng Sun, Su-Hui Yang, Chang-Ming Zhao

Proceedings Volume 6028, ICO20: Lasers and Laser Technologies; 60282I (2005) https://doi.org/10.1117/12.667352
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

Single frequency, single mode laser output from a monolithic resonator was amplified by a double-clad D-shape fiber of 4.4 meters long. When the signal laser is 200mw, up to 6.65 W single frequency laser output was obtained, slope efficiency is 30.6%. The amplifier is Yb³⁺ doped glass fiber pumped by a laser diode array at 976nm with signal at 1064nm. Single frequency amplification has been proved by a Fabri-Parrot interferometer. It is shown from the experiments that the signal input has not been saturated. By increasing the input signal, amplification can be increased further under the same pumping power. Experimental results meet well with theoretical calculation.

Citation Download Citation

Wen-Feng Sun, Su-Hui Yang, and Chang-Ming Zhao "LD-pumped double-clad fiber single-frequency power amplifier", Proc. SPIE 6028, ICO20: Lasers and Laser Technologies, 60282I (30 December 2005); https://doi.org/10.1117/12.667352

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