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Highly efficient deep ultraviolet generation by sum-frequency mixing in a BBO crystal pair |
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| Authors: | Gopal C Bhar Pathik Kumbhakar Udit Chatterjee Anil K Chaudhary Alexander Kokh |
| Institution: | (1) Laser Laboratory, Physics Department, Burdwan University, 713 104 Burdwan, India;(2) Physics Department, R. E. College, 713 209 Durgapur, India;(3) Institute of Mineralogy and Petrography, Pros. Acad. Koptyug, 3, 630090 Novosibirsk, Russia |
| Abstract: | Generation of deep ultraviolet radiation at 210 nm by Type-I third harmonic generation is achieved in a pair of BBO crystals with conversion efficiency as high as 36%. The fundamental source is the dye laser radiation pumped by the second harmonic of a Q-switched Nd: YAG laser. A walk-off compensated configuration with the BBO crystal pair has enabled us to realize such a high conversion efficiency in the interaction. |
| Keywords: | Ultraviolet laser radiation walk-off compensation third harmonic generation nonlinear optical material |
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