Generation of broad spectral components from midwave infrared ultrashort pulse laser propagation through ZnSe and ZnS
Valenzuela, Anthony R.
AffiliationUniv Arizona, Coll Opt Sci
MetadataShow full item record
PublisherSPIE-INT SOC OPTICAL ENGINEERING
CitationWerner, K., Tripepi, M., Schweinsberg, A., Hastings, M., Vanderhoef, L., Wolfe, C., ... & Chowdhury, E. (2019, March). Generation of broad spectral components from midwave infrared ultrashort pulse laser propagation through ZnSe and ZnS. In Nonlinear Frequency Generation and Conversion: Materials and Devices XVIII (Vol. 10902, p. 109020W). International Society for Optics and Photonics.
Rights© 2019 SPIE
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AbstractWe investigate the nonlinear optical properties of ZnSe and ZnS using ultrashort (pulse duration approximately 200 fs) midwave infrared laser pulses between 3 and 4 mu m. 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.
VersionFinal published version
SponsorsSURVICE [S17-095008/DOTC-17-01-INIT0086]; Air Force Office of Scientific Research (AFOSR) [FA9550-16-1-0069]; AFOSR multidisciplinary research program of the university research initiative (MURI) [FA9550-16-1-0013]; AFOSR [FA9550-16-1-0121]