γ-NaAsSe2: new infrared non-linear optical crystal with superior optical properties

Jingyang He; Abishek K. Iyer; Michael J. Waters; Sumanta Sarkar; James M. Rondinelli; Mercouri G. Kanatzidis; Venkatraman Gopalan

doi:10.1117/12.2589890

12 April 2021 γ-NaAsSe2: new infrared non-linear optical crystal with superior optical properties

Jingyang He, Abishek K. Iyer, Michael J. Waters, Sumanta Sarkar, James M. Rondinelli, Mercouri G. Kanatzidis, Venkatraman Gopalan

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Proceedings Volume 11724, Laser Technology for Defense and Security XVI; 117240G (2021) https://doi.org/10.1117/12.2589890
Event: SPIE Defense + Commercial Sensing, 2021, Online Only

Abstract

The γ-NaAsSe2 has attracted much attention as the next-generation infrared (IR) nonlinear optical (NLO) crystal. It has demonstrated one of the highest second harmonic generation (SHG) efficiencies as polycrystal. However,the full optical properties of single crystal have not been studied yet, which is required to understand its potential for future IR laser applications. Here, its linear and nonlinear optical properties are examined using spectroscopic ellipsometry and optical second harmonic generation (SHG).

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Jingyang He, Abishek K. Iyer, Michael J. Waters, Sumanta Sarkar, James M. Rondinelli, Mercouri G. Kanatzidis, and Venkatraman Gopalan "γ-NaAsSe2: new infrared non-linear optical crystal with superior optical properties", Proc. SPIE 11724, Laser Technology for Defense and Security XVI, 117240G (12 April 2021); https://doi.org/10.1117/12.2589890

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