High-Strength 100 kpsi! 350℃ Grade 9/80/100μm Polyimide Single-Mode Optical Fiber Technical Analysis - DCYS - ofscn.org

Publisher: Beijing Dacheng Yongsheng Technology Co., Ltd. (DCYS) | Brand: OFSCN® | Website: www.ofscn.org


This is a companion discussion topic for the original entry at https://www.ofscn.org/encyclopedia/487-small-diameter-pi-sm-01.html

This technical analysis focuses on the high-performance characteristics of small-diameter polyimide-coated optical fibers, which are specifically engineered for extreme environments where space is limited and reliability is paramount.

Technical Overview

The product highlighted is the OFSCN® 300℃ Small diameter optical fiber. Unlike standard single-mode fibers that typically feature a 125μm cladding and 250μm coating, this specialized fiber utilizes a reduced geometry to enhance flexibility and integration density.

Core Specifications:

  • Geometry: 9μm core / 80μm cladding / 100μm coating.
  • Temperature Range: Stable operation from -200℃ to +350℃ (Grade 350).
  • Mechanical Strength: High-strength rating of 100 kpsi, ensuring durability during tight-radius bending or high-tension deployments.
  • Coating Material: Polyimide (PI), which provides excellent thermal stability and chemical resistance compared to traditional acrylate coatings.

Key Advantages of 80/100μm Geometry

  1. Miniaturization: The 100μm outer diameter significantly reduces the footprint of fiber bundles and sensors, making it ideal for medical catheters, aerospace sensors, and compact optoelectronic components.
  2. Enhanced Fatigue Resistance: The smaller 80μm cladding reduces the surface stress during bending, which inherently improves the mechanical reliability and lifespan of the fiber in dynamic applications.
  3. High-Temperature Stability: The polyimide coating allows for continuous operation in environments reaching 300°C to 350°C, where standard fibers would melt or degrade.

Product Visuals

For detailed mechanical data sheets or chemical resistance profiles, you may refer to the official technical page:
OFSCN® 300℃ Small diameter optical fiber Technical Specifications