Aluminum Coated Silica Fibers for Extreme Conditions and High Temperatures

Specifications

Core Diameter: 50 um
Wavelength Range: 200 – 2400 nm
Fiber Core Material: Silica
Graded Index: Germanium Doped Fused Silica Core / Pure Fused Silica
Fiber Core Diameters, μm: Single mode: 2.5 – 9; Multimode: 50; 62.5; 100; 200; 400; 600; 800; 1000
Al Coating Thickness, μm: 15 – 150
Standard Numerical Aperture (NA): 0.22 ± 0.02
Available Numerical Aperture (NA): 0.12 ± 0.02 | 0.26 ± 0.02
Min Operating Temperature, °C: -270
Max Operating Temperature, °C: 450
Humidity Range: Up to 100%
Minimal Bending Radius (long Term): 200 x fiber outer diameter
Minimal Bending Radius (short Term): 100 x fiber outer diameter
Tensile Strength (short Gauge), GPa: 3.5 – 6
Two Point Bending Strength, GPa: >10
Static Fatigue Parameter: >100
Core/Cladding Material: Step Index Pure Fused Silica Core / Fluorine Doped Silica Cladding
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Features

  • Exceptional Reliability: Designed for high temperatures, high vacuum, and extreme environmental conditions, these fibers are ideal for industrial, scientific, and aerospace applications.
  • Aluminum Coating: Provides efficient thermal management and long-term durability, even in environments with heat, radiation, or aggressive sterilization processes.
  • Superior Optical Performance: Retains the benefits of standard silica-silica fibers, including excellent optical clarity and low attenuation.
  • Enhanced Mechanical Strength: The metallic coating offers superior protection against micro-bending, vibration, and repeated mechanical stress.
  • Broad Optical Transmission Range: Supports a wide range of applications with a transmission range from 220 to 2400 nm, suitable for UV or NIR silica fiber cores.
  • Wide Temperature Range: Maintains performance from cryogenic conditions as low as –270°C up to continuous operation at 450°C.
  • Versatile Applications: Ideal for spectroscopy, sensing, medical, and industrial laser systems.

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.
  • Thermal Management: Aluminum coating ensures efficient thermal management and long-term durability.
  • 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.
  • Mechanical Strength and Fatigue Resistance: Enhanced mechanical strength and fatigue resistance protect against micro-bending, vibration, and mechanical stress.
  • 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.