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Proceedings Paper

High-power 780-nm single-frequency linearly polarized laser
Author(s): M. Y. Vyatkin; A. G. Dronov; M. A. Chernikov; D. V. Gapontsev; V. P. Gapontsev
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Paper Abstract

In this work we represent a highly efficient (>20%) CW second harmonic generation in PPKTP and PPLN crystals. As a fundamental source we used a high power (>24W) single-frequency (<50kHz linewidth) linearly polarized CW Er:Yb fiber laser. This laser was used in a single pass schematic to achieve more than 5W average power SHG in 780nm. Single pass conversion efficiency of >20% for PPLN and >7% for PPKTP was demonstrated. We also demonstrate a possibility of single mode fiber delivery for this SHG source with excellent beam quality (M2 <1.1). Pump power dependency of conversion efficiency and other SHG characteristics for PPLN and PPKTP would be presented and compared.

Paper Details

Date Published: 22 April 2005
PDF: 8 pages
Proc. SPIE 5709, Fiber Lasers II: Technology, Systems, and Applications, (22 April 2005); doi: 10.1117/12.594506
Show Author Affiliations
M. Y. Vyatkin, NTO IRE-Polus (Russia)
A. G. Dronov, NTO IRE-Polus (Russia)
M. A. Chernikov, NTO IRE-Polus (Russia)
D. V. Gapontsev, IPG Photonics (United States)
V. P. Gapontsev, IPG Photonics (United States)

Published in SPIE Proceedings Vol. 5709:
Fiber Lasers II: Technology, Systems, and Applications
L. N. Durvasula; Andrew J. W. Brown; Johan Nilsson, Editor(s)

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