Evaluation of chalcogenide glass As-S fibers for YAG:Er laser delivery systems

V. P. Novikov; A. A. Betin; Vladislav A. Kamensky

doi:10.1117/12.180703

28 July 1994 Evaluation of chalcogenide glass As-S fibers for YAG:Er laser delivery systems

V. P. Novikov, A. A. Betin, Vladislav A. Kamensky

Proceedings Volume 2131, Biomedical Fiber Optic Instrumentation; (1994) https://doi.org/10.1117/12.180703
Event: OE/LASE '94, 1994, Los Angeles, CA, United States

Abstract

Damage thresholds of bulk samples and fibers made of high-purity chalcogenide glass of As-S system for YAG:Er laser ((lambda) equals 2.94 micrometers ) are investigated. An accumulation effect is found both in fibers and bulk samples, which reduces stability of repetitive pulse laser operation. Correlation between damage thresholds and heterophase inclusion concentration has been observed experimentally. In samples with impurity concentration less than 10⁴ cm^-3 the damage thresholds exceed 1 kJ/cm² for single shot pulse and approximately twice as low in the repetitive pulse regime. Fibers made of glass samples with minimum concentration of impurities are capable of increasing YAG:Er laser radiation power transmitted through a fiber.

Citation Download Citation

V. P. Novikov, A. A. Betin, and Vladislav A. Kamensky "Evaluation of chalcogenide glass As-S fibers for YAG:Er laser delivery systems", Proc. SPIE 2131, Biomedical Fiber Optic Instrumentation, (28 July 1994); https://doi.org/10.1117/12.180703

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