589 nm laser generation by frequency doubling of a single-frequency Raman fiber amplifier in PPSLT
- 6 March 2013
- journal article
- Published by Optica Publishing Group in Applied Optics
- Vol. 52 (8), 1636-1640
- https://doi.org/10.1364/ao.52.001636
Abstract
A high-power single-frequency 1178 nm continuous-wave laser is generated in a two-stage stimulated-Brillouin-scattering-suppressed all-polarization-maintaining Raman fiber amplifier pumped by 1120 nm fiber lasers. A polarization-extinction-ratio of 30 dB is achieved due to the all-polarization-maintaining configuration and the polarization dependence gain of Raman scattering. Single-pass frequency doubling with a homemade periodically poled near-stoichiometric crystal (PPSLT) produces an up to 7 W narrow-linewidth laser at 589 nm. The thermally induced dephasing effect is found to be the key issue for improving second-harmonic efficiency.
Keywords
Funding Information
- Hundred Talent Program of the Chinese Academy of Sciences
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