High power single frequency linear-polarized all-fiber MOPA system for coherent detection

Ya-qian Ding; Yun-feng Qi; Chi Liu; Jing He; Jun Zhou

doi:10.1117/12.900734

19 August 2011 High power single frequency linear-polarized all-fiber MOPA system for coherent detection

Ya-qian Ding, Yun-feng Qi, Chi Liu, Jing He, Jun Zhou

Proceedings Volume 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging; 81922O (2011) https://doi.org/10.1117/12.900734
Event: International Symposium on Photoelectronic Detection and Imaging 2011, 2011, Beijing, China

Abstract

In the paper, we reported a single-frequency(SF), single-mode(SM), linear-polarized ytterbium-doped all-fiber master oscillator power amplifier (MOPA) system consisting of two stage amplifier which could be used in coherent detection. With a pump power of 17.5W at 976nm, the system emitted up to 12.7 W of single-frequency radiation at a wavelength of 1064 nm with the polarization-extinction ratio (PER) more than 35dB and signal-to-noise ratio (SNR) more than 40dB. The final-stage amplifier operated with a high conversion efficiency of 73% and the gain of the whole amplifier achieved 31 dB, it has nearly diffraction-limited beam quality.

Citation Download Citation

Ya-qian Ding, Yun-feng Qi, Chi Liu, Jing He, and Jun Zhou "High power single frequency linear-polarized all-fiber MOPA system for coherent detection", Proc. SPIE 8192, International Symposium on Photoelectronic Detection and Imaging 2011: Laser Sensing and Imaging; and Biological and Medical Applications of Photonics Sensing and Imaging, 81922O (19 August 2011); https://doi.org/10.1117/12.900734

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