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1. Broadband Si/SiO2 Dispersive Mirrors For Ultrafast Mid-Infrared Lasers

Author

Volodymyr Pervak, T. Amotchkin, Michael K. Trubetskov, Oleg Pronin, Ka Fai Mak, and Qing Wang

Subjects
Materials science, business.industry, Mid infrared, Laser, Reflectivity, law.invention, law, Group delay dispersion, Broadband, Femtosecond, Optoelectronics, business, Ultrashort pulse, Refractive index
Abstract

We report Si/SiO2 mirrors operating in the spectral range 2-3.2 um. The coatings exhibit reflectance exceeding 99.6% and provide group delay dispersion of (-100 fs2) and (-200 fs2.) The mirrors are key elements of Cr:ZnS/Cr:ZnSe femtosecond lasers and oscillators.

Published
2019
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