Twin HgGa2S4 optical parametric oscillator at 4.3-10.78 µm for biomedical applications

N. Yu. Kostyukova; A. A. Boyko; K. G. Zenov; M. K. Starikova; D. B. Kolker; А. А. Karapuzikov; Yu. V. Kistenev; D. A. Kuzmin

doi:10.1117/12.2181802

19 March 2015 Twin HgGa₂S₄ optical parametric oscillator at 4.3-10.78 µm for biomedical applications

N. Yu. Kostyukova, A. A. Boyko, K. G. Zenov, M. K. Starikova, D. B. Kolker, А. А. Karapuzikov, Yu. V. Kistenev, D. A. Kuzmin

Author Affiliations +

Proceedings Volume 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics; 944806 (2015) https://doi.org/10.1117/12.2181802
Event: Saratov Fall Meeting 2014, 2014, Saratov, Russian Federation

Abstract

We demonstrate an optical parametric oscillator (OPO) based on two HgGa₂S₄ (HGS) crystals with exceedingly wide tuning range from 4.2 μm to 10.73 μm. The HGS OPO was pumped by Q-switched Nd:YLF laser at 1.053 μm with a 5-7 ns pulse duration. Absorption spectrum of ammonia was presented to demonstrate the feasibility of the OPO system for spectroscopic measurements and gas detection.

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N. Yu. Kostyukova, A. A. Boyko, K. G. Zenov, M. K. Starikova, D. B. Kolker, А. А. Karapuzikov, Yu. V. Kistenev, and D. A. Kuzmin "Twin HgGa₂S₄ optical parametric oscillator at 4.3-10.78 µm for biomedical applications", Proc. SPIE 9448, Saratov Fall Meeting 2014: Optical Technologies in Biophysics and Medicine XVI; Laser Physics and Photonics XVI; and Computational Biophysics, 944806 (19 March 2015); https://doi.org/10.1117/12.2181802

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