28 February 2006 Generation of THz and IR radiation in DAST crystals
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Abstract
Short THz pulses are commonly generated through the optical rectification of ultrashort laser pulses in nonlinear optical crystals. Our purpose is to discuss the controllability of the THz spectrum emitted from the polar organic salt DAST (4-N,N-dimethylamino-4-N-methyl stilbazolium tosylate) and also the efficiency of the THz generation. It does not only depend on different experimental parameters such as duration of the laser pulse and crystal thickness, but is also affected by absorption and dispersion caused by several resonances of the crystal in the THz range.
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A. Schneider, M. Stillhart, P. Günter, "Generation of THz and IR radiation in DAST crystals", Proc. SPIE 6100, Solid State Lasers XV: Technology and Devices, 61001C (28 February 2006); doi: 10.1117/12.661033; https://doi.org/10.1117/12.661033
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