Generation of tunable laser radiation in ultraviolet and near-infrared regions for various applications

Gopal C. Bhar; Udit Chatterjee

doi:10.1117/12.441335

25 September 2001 Generation of tunable laser radiation in ultraviolet and near-infrared regions for various applications

Gopal C. Bhar, Udit Chatterjee

Author Affiliations +

Proceedings Volume 4417, Photonics 2000: International Conference on Fiber Optics and Photonics; (2001) https://doi.org/10.1117/12.441335
Event: Photonics 2000: International Conference on Fiber Optics and Photonics, 2001, Calcutta, India

Abstract

Generation of wide tunable laser radiation from 188 nm in UV til 7.7 micrometers in IR is reported in our laboratory using a single commercially available Nd:YAG laser as basic pump. Techniques employed are sum-frequency mixing and harmonic generation for the UV while for the IR we employ difference- frequency mixing. The nonlinear crystal used include BBO, LBO, CLBO, LB4, KTP, RTP, KTA and LiIO₃. A maximum conversion efficiency over 2-0 percent is realized for both in UV and IR generation. We have obtained some spectra of DNA, RDX in the UV while those of polystrene film and Methane gas in the IR with the generated radiation.

Citation Download Citation

Gopal C. Bhar and Udit Chatterjee "Generation of tunable laser radiation in ultraviolet and near-infrared regions for various applications", Proc. SPIE 4417, Photonics 2000: International Conference on Fiber Optics and Photonics, (25 September 2001); https://doi.org/10.1117/12.441335

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