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Proceedings Paper

Generation of broad spectral components from midwave infrared ultrashort pulse laser propagation through ZnSe and ZnS
Author(s): Kevin Werner; Michael Tripepi; Aaron Schweinsberg; Michael Hastings; Laura Vanderhoef; Christopher Wolfe; Trenton Ensley; Brian Wilmer; Miroslav Kolesik; Jerome Moloney; Enam Chowdhury; Anthony Valenzuela
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Paper Abstract

We investigate the nonlinear optical properties of ZnSe and ZnS using ultrashort (pulse duration approximately 200 fs) midwave infrared laser pulses between 3 and 4 μm. Multiple harmonic generation in both materials was observed, as well as significant spectral modification of the fundamental pulse. Simulations using a nonlinear polarization model enhanced with ionization compared favorably with experimental data. Random quasi phase matching in the materials is the likely generator of the observed harmonics.

Paper Details

Date Published: 4 March 2019
PDF: 11 pages
Proc. SPIE 10902, Nonlinear Frequency Generation and Conversion: Materials and Devices XVIII, 109020W (4 March 2019); doi: 10.1117/12.2509928
Show Author Affiliations
Kevin Werner, The Ohio State Univ. (United States)
Michael Tripepi, The Ohio State Univ. (United States)
Aaron Schweinsberg, U.S. Army Research Lab. (United States)
Michael Hastings, College of Optical Sciences, The Univ. of Arizona (United States)
Laura Vanderhoef, U.S. Army Research Lab. (United States)
Christopher Wolfe, U.S. Army Research Lab. (United States)
Trenton Ensley, U.S. Army Research Lab. (United States)
Brian Wilmer, SURVICE Engineering Co. (United States)
Miroslav Kolesik, College of Optical Sciences, The Univ. of Arizona (United States)
Jerome Moloney, College of Optical Sciences, The Univ. of Arizona (United States)
Enam Chowdhury, The Ohio State Univ. (United States)
Anthony Valenzuela, U.S. Army Research Lab. (United States)


Published in SPIE Proceedings Vol. 10902:
Nonlinear Frequency Generation and Conversion: Materials and Devices XVIII
Peter G. Schunemann; Kenneth L. Schepler, Editor(s)

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