Optical properties and long-term stability of unclad single crystal sapphire fiber in harsh environments

B. Liu; M. Buric; J. Wuenschell; S. Bera; B. Chorpening; P. Ohodnicki

doi:10.1117/12.2508755

27 February 2019 Optical properties and long-term stability of unclad single crystal sapphire fiber in harsh environments

B. Liu, M. Buric, J. Wuenschell, S. Bera, B. Chorpening, P. Ohodnicki

Author Affiliations +

Proceedings Volume 10914, Optical Components and Materials XVI; 109140Z (2019) https://doi.org/10.1117/12.2508755
Event: SPIE OPTO, 2019, San Francisco, California, United States

Abstract

Sapphire optical fiber is an excellent candidate for harsh environment sensing due to its high melting point, small size, and chemical resistance. Various optical sensors in sapphire fiber have been explored for decades. However, there is still lack of accurate data on sapphire fiber optical properties at elevated temperatures, which impedes the development of sapphire fiber sensors. In this paper, we fabricate single crystal sapphire fiber via a laser heated pedestal growth system and measure the optical properties of our fiber from room temperature to 1500 ℃ in ambient air and in different gas environments.

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Citation Download Citation

B. Liu, M. Buric, J. Wuenschell, S. Bera, B. Chorpening, and P. Ohodnicki "Optical properties and long-term stability of unclad single crystal sapphire fiber in harsh environments", Proc. SPIE 10914, Optical Components and Materials XVI, 109140Z (27 February 2019); https://doi.org/10.1117/12.2508755

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