Generation of blue light by intracavity frequency mixing of the laser and pump radiation of a miniature neodymium:yttrium aluminum garnet laser

Potassium titanyl phosphate (KTiOPO4,KTP) has been used to generate blue 459-nm radiation by intracavity sum frequency mixing of the circulating 1064-nm laser radiation of a miniature neodymium:yttrium aluminum garnet laser and the 809-nm radiation used as the pump source. A blue output power of app...

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Bibliographic Details
Published in:Applied physics letters 1988-01, Vol.52 (2), p.85-87
Main Authors: RISK, W. P, BAUMERT, J.-C, BJORKLUND, G. C, SCHELLENBERG, F. M, LENTH, W
Format: Article
Language:English
Subjects:
Applied sciences
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Nonlinear optics
Optics
Other techniques and industries
Physics
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Summary:Potassium titanyl phosphate (KTiOPO4,KTP) has been used to generate blue 459-nm radiation by intracavity sum frequency mixing of the circulating 1064-nm laser radiation of a miniature neodymium:yttrium aluminum garnet laser and the 809-nm radiation used as the pump source. A blue output power of approximately 1 mW cw was obtained using 275 mW of pump power from an infrared dye laser. Gain-switched operation leading to high 459-nm peak powers was demonstrated. Direct rapid modulation of the blue radiation was achieved by modulating the pump. In preliminary experiments a high-power laser diode was used as the pump source for the generation of blue radiation.
ISSN:0003-6951
1077-3118
DOI:10.1063/1.99041