Let the light change life
Some industrial environments don't run "a little warm." They run at hundreds of degrees.
Boilers, kilns, combustion chambers, engine exhaust ports — these places need monitoring, but electronic sensors can't go there. Neither can standard optical fiber. Plastic fiber softens at 85°C. Standard glass fiber loss rises sharply at elevated temperatures.
High-temperature fiber is designed for these scenarios.
Material. High-temperature fiber typically uses high-purity quartz for the core and cladding, combined with a high-temperature coating (such as polyimide). Continuous operating temperatures can reach 400°C, with short-term tolerance even higher.
Coating. Standard acrylic coatings degrade and yellow at high temperatures. High-temperature fiber uses polyimide or metal coatings — far superior in temperature and chemical stability.
Transmission stability. In high-temperature environments, standard fiber loss increases with temperature. High-temperature fiber is specifically designed and screened to maintain stable optical performance under heat.
Flame detection. Flame signals inside burners and boilers must be transmitted to external detectors. The high-temperature environment is a continuous challenge for the fiber.
High-temperature sensing. Temperature monitoring in industrial furnaces, pipelines, and engines — fiber optic sensors must operate long-term under heat.
Industrial borescope inspection. Visual inspection inside high-temperature equipment requires light guides that withstand on-site temperatures.
Hecho Technology's customized optical fiber product line includes high-temperature fiber solutions, with specifications matched to operating temperature, wavelength, and connector requirements. Product page: https://www.gohecho.com/customized-optical-fiber_c8
If you need optical transmission or sensing in high-temperature environments, contact the Hecho technical team for selection assistance.
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