Request InfoAFLVHT5000 single-mode, metal-coated optical fibers from AFL feature advanced glass chemistries for improved performance in hydrogen-rich environments. With excellent optical performance in permanent, long-term exposure to temperatures up to 500° C, maximum attenuation of the VHT Series is 5 dB/km for all typical operating wavelengths. The fibers are available in multi-km continuous lengths with an industry standard 125-µm cladding diameter, and they are also available in a 500° C metal cable configuration with three fiber channels for multi-measurement sensing applications.See full productRelated content from Photonics MediaPRODUCTSPhotonics.com 5/9/2023Optical FibersThe VHS400 Verrillon® series of specialty optical fibers from AFL are designed to withstand harsh environments within the oil, gas, industrial, geothermal, and military markets. 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