A multimode silica-clad optical fiber with a liquid silicone core was used as a distributed-line peak-temperature sensor over a temperature range from ambient to 190°C. The maximum error was 2°C and was essentially independent of the length or position of the hot zone.
© 1983 Optical Society of America
Richard J. Fox, "Measurement of peak temperature along an optical fiber," Appl. Opt. 22, 967-969 (1983)