Gold Coated Step Index Optical Fiber
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Ships from:
Germany
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Sold by:
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On FindLight:
since 2019
Description
The fiber is expertly protected with a 99.99% 24 kt Gold coating, offering unparalleled performance in demanding applications. This gold coating extends the fiber's usability across a broader temperature range compared to conventional polymer coatings. Furthermore, it provides exceptional protection against chemical corrosion and mechanical stress, making it ideal for use in extreme temperatures and harsh environments. As a conductor of electricity, the gold coating allows for direct termination of the fiber onto the coating, creating a hermetically sealed assembly that enhances durability and reliability.
The manufacturing process of these fibers is designed to reduce stress corrosion susceptibility, thereby offering superior mechanical protection in the most challenging environments. Unlike typical polymers, metal coatings such as Gold exhibit minimal outgassing of volatile components, ensuring the fiber's stability and performance over time. Each gold-coated fiber undergoes rigorous quality testing according to Heracle's stringent procedures, in compliance with the Telecommunications Industry Association (TIA/EIA) and international Fiber Optic Test Procedures (FOTP). Additionally, custom-specific tests can be conducted to verify application requirements, ensuring the fiber meets the exact needs of any project.
These fibers are crafted from pure fused silica step index multimode fibers (SIMM), optimized for use in UV/VIS and VIS/IR wavelengths. The versatility of these fibers is further enhanced by a variety of options and combinations, including all silica, hard clad, single-mode, multimode, step-index, and graded-index configurations. With core diameters ranging from 10 to 2100 µm and numerical apertures up to 0.52, these fibers are designed to meet a wide array of high-temperature applications. The gold coating, combined with silica cladding and optional anti-reflection coatings, ensures that these fibers deliver exceptional performance and reliability in any application.
Gold Coated Step Index Optical Fiber
Specifications |
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|---|---|
| Core Diameter: | 50 um |
| Wavelength Range: | 215 – 2100 nm |
| Cable Length: | 5 m |
| Fiber Core Material: | Silica |
| Gold Coating Purity: | 99.99 % 24 kt |
| Core Material: | Pure fused silica |
| Core OH Content: | 0.7 ppm (low OH) |
| Core OH Content: | 1200 ppm (high OH) |
| Cladding Material: | Fluorine doped SIO2 |
| Core/Cladding Offset: | ≤ 1 % of φ core |
| Cladding/Core Ratios: | 1.1, 1.2, 1.4, and 2.5 |
| Wavelength Range: | 400 − 2400 nm |
| Wavelength Range: | 200 − 1200 nm |
| Numerical Aperture: | 0.22 +/- 0.02 |
| Typical Attenuation @850 Nm: | ≤ 12 dB/km |
| Typical Attenuation @850 Nm: | ≤ 14 dB/km |
Features
- Wide operating temperature range: from cryogenic up to 700°C (Gold coating)
- Hermetic & sterilizable
- Directly solderable for vacuum feedthroughs & laser diode pigtailing
- Radiation resistant
- Low outgassing
- Resistant to organic solvents
Applications
- Aircraft, missile, rocket, turbine & jet engine monitoring
- Radiation, caustic & corrosive environments
- Material fatigue sensing applications
- High power laser delivery systems
- Ultra high vacuum applications
- Semiconductor manufacturing
Frequently Asked Questions
The coating of the Gold coated step index optical fiber is Gold, which provides excellent protection against chemical corrosion & mechanical stress. It also enables the fiber to perform in challenging applications and in a wider temperature range than conventional polymer coatings.
The core material of the Gold coated step index optical fiber is Pure undoped fused silica for Step index Multimode Fiber and Germanium fused silica for Graded index Multimode Fiber.
The Gold coated step index optical fiber is used for a variety of applications such as aircraft, missile, rocket, turbine & jet engine monitoring, radiation, caustic & corrosive environments, material fatigue sensing applications, high power laser delivery systems, ultra high vacuum applications, and semiconductor manufacturing.
The Standard Numerical Aperture (NA) of the Gold coated step index optical fiber is 0.22 ± 0.02 for Step index Multimode Fiber and 0.20 ± 0.015 and 0.275 ± 0.015 for Graded index Multimode Fiber. Custom Numerical Aperture is also available upon request.
The Gold coated step index optical fiber has a wide operating temperature range from cryogenic up to 700°C (Gold coating).