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- W2549791350 abstract "Performance and reliability of solid state laser diodes in the IR region exceeds those in the visible and UV part of the light spectrum. Single frequency visible and UV laser diodes with higher than 500 mW power are not available commercially. However we successfully stabilized a multi-longitudinal mode IR laser to 860 mW single frequency. This means high efficiency harmonic generation using this laser can produce visible and UV laser light not available otherwise. In this study we examined three major leading nonlinear crystals: PPMgO:SLN, PPKTP and PPMgO:SLT to generate blue light by second harmonic generation. We achieved record high net conversion efficiencies 81.3% using PPMgO:SLT (~500 mW out), and 81.1% using PPKTP (~700 mW out). In both these cases an external resonance buildup cavity was used. We also studied a less complicated single pass waveguide configuration (guided waist size of ~ 5 um compared to ~60 um) to generate blue. With PPMgO:SLN we obtained net 40.4% and using PPKT net 6.8% (110mW and 10.1 mW respectively)." @default.
- W2549791350 created "2016-11-30" @default.
- W2549791350 creator A5011142546 @default.
- W2549791350 date "2014-08-01" @default.
- W2549791350 modified "2023-09-23" @default.
- W2549791350 title "Highly efficient single frequency blue laser generation by second harmonic generation of infrared lasers using quasi phase matching in periodically poled ferroelectric crystals" @default.
- W2549791350 hasPublicationYear "2014" @default.
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