Description
Hermetically sealed Aluminum-coated step index multimode optical fibers have all the benefits of silica-silica fibers. Additional significant improvements include increased mechanical strength and greater fatigue resistance compared to non-hermetic and polymer-clad fibers (PCS). Their transmittance covers a spectral range of 400 to 2200 nm, and also remains stable in corrosive chemicals that normally react to silica glass. The temperature range is from -196oC to +400oC. Hermetically metal-coated optical fibers are the optimum candidate when used in high vacuum and harsh environmental conditions
LOW OH MULTI-MODE STEP INDEX ALUMINUM-COATED SILICA FIBERS
Specifications
| Core Diameter: | Not Specified |
|---|---|
| Wavelength Range: | 400 – 2200 nm |
| Cable Length: | Not Specified |
| Fiber Core Material: | Silica |
| Coating Material: | Aluminium |
| Clad Material: | doped silica |
| Standard Core/Clad Diameters, µm (low OH): | 100/110, 150/165, 200/220, 300/330, 400/440, 600/636, 600/660, 800/848, 800/880, 1000/1060, 1000/1100 |
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Features
- Greatly enhanced resistance to high power laser radiation.
- Higher core-to-clad ratio and enlarged NA optimized for coupling to high-energy lasers.
- Better fiber cooling due to the heat-conducting metal coating.
- Excellent mechanical strength and flexibility compared to polymer coated fibers.
- Capability to feed the fibers into a high vacuum: the metal coating can be soldered and will not outgas.
Frequently Asked Questions
What are the benefits of using hermetically sealed Aluminum-coated step index multimode optical fibers?
The benefits include increased mechanical strength, greater fatigue resistance, and stable transmittance in corrosive chemicals.
What is the temperature range that these fibers can withstand?
These fibers can withstand temperatures ranging from -196oC to +400oC.
What are the features of these Aluminum-coated fibers?
The features include enhanced resistance to high power laser radiation, optimized core-to-clad ratio for coupling to high-energy lasers, better fiber cooling, and excellent mechanical strength and flexibility.
Can the metal coating of these fibers be soldered?
Yes, the metal coating can be soldered and will not outgas.
What is the numerical aperture (NA) of these fibers?
The numerical aperture is 0.22 ± 0.02.
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