Copper-Alloy Coated Silica Fibers for Extreme Conditions

Specifications

Core Diameter: 50 um
Wavelength Range: 200 – 2400 nm
Fiber Core Material: Silica
Optical Transmission Range: 220 to 2400 nm
Min Operating Temperature: -270°C
Max Operating Temperature: 600°C
Humidity Range: Up to 100%
Fiber Core Diameters: Single mode: 4 – 9 μm; Multimode: 50; 62.5; 100; 200; 400; 600; 800; 1000 μm
Cu-alloy Coating Thickness: 15 – 50 μm
Standard Numerical Aperture (NA): 0.22 ± 0.02
Available Numerical Aperture (NA): 0.12 ± 0.02 | 0.26 ± 0.02
Minimal Bending Radius (Long Term): 200 x fiber outer diameter
Minimal Bending Radius (Short Term): 100 x fiber outer diameter
Tensile Strength (Short Gauge): 3.5 – 6 GPa
Two Point Bending Strength: >10 GPa
Static Fatigue Parameter: >100
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Features

  • Extreme Temperature Range: Operates reliably from cryogenic temperatures as low as -270°C to continuous operation at 600°C.
  • High Humidity Tolerance: Maintains optical and mechanical integrity even at 100% humidity levels.
  • Superior Mechanical Strength: Copper-alloy coating enhances mechanical strength and durability compared to polymer-coated fibers.
  • Wide Optical Transmission Range: Supports a broad spectrum from 220 to 2400 nm, suitable for various optical and spectroscopic applications.
  • Robust Design: Engineered for extreme conditions, including high vacuum and harsh environments, ideal for industrial, scientific, and aerospace applications.
  • Core/Cladding Material: Available in Step Index Pure Fused Silica Core with Fluorine Doped Silica Cladding and Graded Index Germanium Doped Fused Silica Core.
  • Static Fatigue Parameter: Greater than 100, ensuring long-term reliability.

Applications

  • High Temperature and Vacuum Applications: Ideal for environments where conventional polymer-coated fibers fail, such as high-temperature and high-vacuum conditions.
  • Industrial and Scientific Use: Suitable for harsh industrial and scientific environments, providing stable optical performance.
  • Aerospace Applications: Designed to withstand extreme conditions encountered in aerospace settings.
  • Radiation and Sterilization Resistance: Excellent for applications exposed to radiation or aggressive sterilization processes.
  • Optical Clarity and Low Attenuation: Retains benefits of standard silica-silica fibers, including excellent optical clarity and low attenuation.
  • Broad Optical Transmission Range: Supports a wide variety of applications with a transmission range from 220 to 2400 nm.
  • Spectroscopy and Sensing: Versatile for use in spectroscopy and sensing applications.
  • Medical and Industrial Laser Systems: Suitable for medical and industrial laser systems.
  • Extreme Temperature Performance: Maintains consistent performance from cryogenic conditions as low as –270°C to continuous operation at 450°C.