Fiber-optic communication method applied to high-temperature environment

Yue Wang; Bo Li; Pengfei Liu; Fenghuan Hao

doi:10.1117/12.2602245

9 October 2021 Fiber-optic communication method applied to high-temperature environment

Yue Wang, Bo Li, Pengfei Liu, Fenghuan Hao

Proceedings Volume 11891, Semiconductor Lasers and Applications XI; 1189104 (2021) https://doi.org/10.1117/12.2602245
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Abstract

Fiber-optic communication systems have advantages of low attenuation, long distance, broad bandwidth and robust to the electromagnetic interference. Nevertheless, conventional fiber-optic communication systems always work at room temperature or below 85°C, which makes it difficult to use in high-temperature environment. Communication devices including laser source and optical transceiver cannot work under high temperatures. In some special situations or industrial applications, the temperature of surrounding environment can be over 100 °C, which is far beyond the temperature limitation of general optical communication system. This limits the application of fiber-optic communication in the high-temperature environment. The method of fiber-optic communication system working at high temperatures is researched and designed. Hightemperature optical communication devices including high-temperature laser diode with drive program and hightemperature photoelectric detection circuit are developed. These devices were tested in simulated high temperature environment. The experimental results demonstrated that the fiber optic communication system is capable of working steadily over a long time in high-temperature environment to realize broadband and remote transmission of optical information. Moreover, the high-speed transmission method under high temperatures is developed, which enable realtime, long-range, high data rate bidirectional transmission. The method allows optical information to be transmitted in high-temperature environment, which can apply to industrial control and extreme environment operations, like oil and coal mining, where high-reliability, real-time performance and high-capacity are needed.

Conference Presentation

Citation Download Citation

Yue Wang, Bo Li, Pengfei Liu, and Fenghuan Hao "Fiber-optic communication method applied to high-temperature environment", Proc. SPIE 11891, Semiconductor Lasers and Applications XI, 1189104 (9 October 2021); https://doi.org/10.1117/12.2602245

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