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Stable continuous-wave single-frequency Nd:YAG blue laser at 473 nm considering the influence of the energy-transfer upconversion.

Authors
  • Wang, Yaoting
  • Liu, Jianli
  • Liu, Qin
  • Li, Yuanji
  • Zhang, Kuanshou
Type
Published Article
Journal
Optics Express
Publisher
The Optical Society
Publication Date
Jun 07, 2010
Volume
18
Issue
12
Pages
12044–12051
Identifiers
DOI: 10.1364/OE.18.012044
PMID: 20588326
Source
Medline
License
Unknown

Abstract

We report a continuous-wave (cw) single frequency Nd:YAG blue laser at 473 nm end-pumped by a laser diode. A ring laser resonator was designed, the frequency doubling efficiency and the length of nonlinear crystal were optimized based on the investigation of the influence of the frequency doubling efficiency on the thermal lensing effect induced by energy-transfer upconversion. By intracavity frequency doubling with PPKTP crystal, an output power of 1 W all-solid-state cw blue laser of single-frequency operation was achieved. The stability of the blue output power was better than +/- 1.8% in the given four hours.

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