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Proceedings Paper

An all-fiber PM MOPA pumped high-power OPO at 3.82 µm based on large aperture PPMgLN
Author(s): Dejiao Lin; Shaif-ul Alam; Yonghang Shen; Tao Chen; David J. Richardson
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Paper Abstract

We report a large aperture PPMgLN based OPO generating 21W of average output power at a slope efficiency of 45%, pumped by the output from a polarization maintaining Ytterbium doped fiber MOPA operating at 1060nm producing 58W of average output power and 20ns pulses at a repetition rate of 100kHz. A maximum of 5.5W of optical power was recorded at the idler wavelength of 3.82μm without thermal roll-off. We have experimentally verified that the pulse rise/fall time plays a significant role in the OPO conversion efficiency and that further enhancement in the OPO conversion efficiency will be possible using sub-nanosecond rise and fall times.

Paper Details

Date Published: 15 February 2012
PDF: 6 pages
Proc. SPIE 8237, Fiber Lasers IX: Technology, Systems, and Applications, 82371K (15 February 2012); doi: 10.1117/12.906364
Show Author Affiliations
Dejiao Lin, Univ. of Southampton (United Kingdom)
Shaif-ul Alam, Univ. of Southampton (United Kingdom)
Yonghang Shen, Zhejiang Univ. (China)
Tao Chen, Zhejiang Univ. (China)
David J. Richardson, Univ. of Southampton (United Kingdom)

Published in SPIE Proceedings Vol. 8237:
Fiber Lasers IX: Technology, Systems, and Applications
Eric C. Honea; Sami T. Hendow, Editor(s)

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