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Proceedings Paper

Optical parametric amplifier at 1572nm wavelength using KTiOAsO4 crystal
Author(s): Huanhuan Li; Shiguang Li; Xiuhuan Ma; Juntao Wang; Xiaolei Zhu
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Paper Abstract

We report on a nanosecond master oscillator /power amplifier architecture for optical parametric conversion of high pulse energy from 1.064μm to 1.572 μm in KTiOAsO4 crystal. The signal emission is amplified by two different parametric amplifier architectures respectively. By comparing the results obtained, a novel amplifier architecture is chosen which is expected to combine the high gain and good beam quality. With a seeding signal energy of 1 mJ, and 400mJ pump pulse at 100Hz, a gain up to 64 at 1.57μm with the beam quality M2 less than 4.8 is realized. The total optical-optical conversion efficiency reached 16%.

Paper Details

Date Published: 16 May 2013
PDF: 6 pages
Proc. SPIE 8796, 2nd International Symposium on Laser Interaction with Matter (LIMIS 2012), 87962B (16 May 2013); doi: 10.1117/12.2010763
Show Author Affiliations
Huanhuan Li, Shanghai Institute of Optics and Fine Mechanics (China)
Shiguang Li, Shanghai Institute of Optics and Fine Mechanics (China)
Xiuhuan Ma, Shanghai Institute of Optics and Fine Mechanics (China)
Juntao Wang, Shanghai Institute of Optics and Fine Mechanics (China)
Xiaolei Zhu, Shanghai Institute of Optics and Fine Mechanics (China)


Published in SPIE Proceedings Vol. 8796:
2nd International Symposium on Laser Interaction with Matter (LIMIS 2012)
Stefan Kaierle; Jingru Liu; Jianlin Cao, Editor(s)

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