DocumentCode
1367337
Title
Influence of KTP length on the performance intracavity frequency doubled diode-pumped Nd:YVO4 lasers
Author
Chen, Y.F.
Author_Institution
Precision Instrum. Dev. Center, Nat. Sci. Council, Hsinchu, Taiwan
Volume
10
Issue
5
fYear
1998
fDate
5/1/1998 12:00:00 AM
Firstpage
669
Lastpage
671
Abstract
We demonstrate an experimental study of the influence of potassium titanyl phosphate (KTP) length on the performance of intracavity frequency-doubled diode-pumped Nd:YVO/sub 4/ lasers operating in continuous-wave (CW) mode and passive Q-switch mode. Theoretical and experimental results show that the optimum KTP length for CW mode is determined by the nonlinear coupling and walkoff effect and the highest optical conversion efficiency in CW mode is nearly 30% with a 10-mm KTP. On the other hand, a 2-mm KTP crystal, which is sufficient for efficient internal second-harmonic generation in a passive Q-switch mode, yield the highest peak green power of 240-W.
Keywords
Q-switching; laser beams; laser modes; neodymium; optical harmonic generation; optical materials; optical pumping; potassium compounds; solid lasers; titanium compounds; yttrium compounds; 2 mm; 240 W; 30 percent; CW mode; KTP; KTP length; KTiOPO4; Nd:YVO/sub 4/ lasers; YVO/sub 4/:Nd; continuous-wave mode; diode-pumped laser; internal second-harmonic generation; intracavity frequency doubled lasers; nonlinear coupling; optical conversion efficiency; optimum KTP length; passive Q-switch mode; peak green power; performance; walkoff effect; Chromium; Diodes; Fiber lasers; Frequency; Laser modes; Laser theory; Optical harmonic generation; Optical resonators; Pump lasers; Solid lasers;
fLanguage
English
Journal_Title
Photonics Technology Letters, IEEE
Publisher
ieee
ISSN
1041-1135
Type
jour
DOI
10.1109/68.669241
Filename
669241
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