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9 March 2020 Calculation of THz emission from phase-matched difference-frequency-generation in eight nonlinear crystals from time-domain-spectroscopy data (Conference Presentation)
Benoit Boulanger, Cyril Bernerd, Patricia Segonds, Jérôme Debray, Jean-Francois Roux, Emilie Herault, Jean-Louis Coutaz, Ichiro Shoji, Hiroaki Minamide, Hiromasa Ito, Dominique Lupinski, Kevin Zawilski, Peter Schunemann, Xinyuan Zhang, Jiyang Wang
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Proceedings Volume 11264, Nonlinear Frequency Generation and Conversion: Materials and Devices XIX; 1126418 (2020) https://doi.org/10.1117/12.2550505
Event: SPIE LASE, 2020, San Francisco, California, United States
Abstract
We identified eight nonlinear crystals enabling THz emission from quadratic phase-matched Difference-Frequency-Generation: YCOB, BNA, LBO, CSP, AGS, CdSe, ZnO and GaP. For all these crystals, we performed Time-Domain Spectroscopy in the same conditions to determine their absorption spectra in polarized light as well as their principal refractive indices as a function of wavelength in the 0.5-2.0 THz range. By combining previous data with the Sellmeier equations valid in their visible and infrared transparency ranges, we calculated the coherence length of Difference-Frequency-Generation associated to all possible configurations of polarization and found interesting and complementary phase-matching conditions in the eight studied crystals.
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Benoit Boulanger, Cyril Bernerd, Patricia Segonds, Jérôme Debray, Jean-Francois Roux, Emilie Herault, Jean-Louis Coutaz, Ichiro Shoji, Hiroaki Minamide, Hiromasa Ito, Dominique Lupinski, Kevin Zawilski, Peter Schunemann, Xinyuan Zhang, and Jiyang Wang "Calculation of THz emission from phase-matched difference-frequency-generation in eight nonlinear crystals from time-domain-spectroscopy data (Conference Presentation)", Proc. SPIE 11264, Nonlinear Frequency Generation and Conversion: Materials and Devices XIX, 1126418 (9 March 2020); https://doi.org/10.1117/12.2550505
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KEYWORDS
Terahertz radiation
Nonlinear crystals
Crystals
Imaging spectroscopy
Silver
Zinc oxide
Absorption
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