Iven | www.ofscn.org
Last Updated: 01 March 2026
This product is a single-mode optical fiber that can withstand high temperatures up to 120 ℃. The coating material is modified acrylate, with options for non-carbon coated/carbon coated and doped/pure silicon core.
This is a companion discussion topic for the original entry at https://www.ofscn.org/optical-fibers/high-temperature-120-sm.html
Thank you for the information regarding the OFSCN® 120℃ SM High-temperature Optical Fiber.
For technical clarity and to assist users exploring high-temperature sensing or communication applications, here is a technical summary of the key parameters for this product:
Technical Specifications
- Temperature Range: Stable operation from -50℃ up to +120℃.
- Fiber Geometry: Standard single-mode dimensions (9μm core / 125μm cladding / 255μm coating).
- Core Material: Based on G.652D preforms (doped core), with options for pure silicon core customization.
- Coating Material: High-temperature resistant polyacrylate. Carbon coating is also available as an option to enhance hydrogen resistance and mechanical longevity in harsh environments.
Product Images
Application Compatibility
This fiber is designed for environments exceeding the limits of standard telecom fibers (typically capped at 85℃). It is ideal for:
- Distributed Fiber Sensing: Temperature and strain monitoring in industrial settings.
- Specialized Communications: Data transmission in high-temperature cabinets or near heat-generating equipment.
For more detailed technical data, please refer to the official product page:
OFSCN® 120℃ SM High-temperature Optical Fiber
