High temperature resistant optical fiber is used in communication, sensing and other fields under high temperature and harsh environment. High temperature resistant polyester coating and polyimide coating can ensure the normal operation of optical fiber below 150 ℃ and 300 ℃ respectively.

Application of High Temperature Resistant Optical Fiber

? Used in mining industry, oil and gas industry and high-temperature medical applications.

Product characteristics of high temperature resistant optical fiber

? Excellent high-temperature working stability

? Excellent optical performance and geometric dimensions

? Fiber refractive index profile can be customized

Standard products

1. High temperature resistant optical fiber coated with special polyester

Working temperature: long-term, - 65 ℃ to+150 ℃, short-term, 200 ℃

? Standard size high temperature resistant fiber: glass cladding diameter 125 μ m. Coating diameter 245 ± 10 μ m

? High temperature resistant optical fiber with large core diameter: glass cladding diameter 200~660 μ m. NA and coating thickness can be customized according to customer requirements

2. Optimized polyimide coated optical fiber

Working temperature: long-term, - 65 ℃ to+300 ℃, short-term, 350 ℃

? Standard size high temperature resistant fiber: glass cladding diameter 125 μ m. Coating diameter 155 ± 5 μ m

? High temperature resistant optical fiber with large core diameter: glass cladding diameter ≤ 220 μ m. NA and coating thickness can be customized according to customer requirements