FiberTech Fluorine-Doped Step-Index Preforms
Description
FSI preforms are used for the manufacturing of special fibers with undoped core and doped cladding. These fibers are applied in diverse industrial and medical sectors as well as in research and development. FSI preforms can be fitted to the customer's demands concerning UV or IR laser transmission, spectroscopy and high-power laser transmission. In addition, LEONI offers individual solutions, that can be specified regarding the characteristic parameters such as the type of core and cladding material, cladding thickness and composition (single or multiple cladding) and numerical aperture (NA).
FiberTech Fluorine-Doped Step-Index Preforms
Specifications |
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|---|---|
| Core Composition: | SiO2 |
| Cladding Composition: | SiO2 /F |
| Preform Diameter (O.D.): | 20 - 70 mm |
Features
Highly suitable as basic material for drawing high-performance special fibers for:
■ UV–VIS to IR laser transmission
■ High-power lasers
■ Spectroscopy
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How to order?
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Ships from:
United States
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Sold by:
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On FindLight:
since 2015
Frequently Asked Questions
FSI preforms are produced using the appropriate core material, either from raw material production of undoped fused silica with high or low OH content or by direct coating of doped fused silica. The final waveguide preform is produced using either the MCVD process (inner coating) for graded-index and step-index fibers or a PBVD process (outer coating) for large core step-index fibers.
The acceptable bubble sizes in FSI preforms are s ≤ 0.3, 0.3 < s ≤ 0.8, 0.8 < s ≤ 2.0, and s > 2.0, with no count, 5, 2, and 0 bubbles allowed per preform in the core, respectively. Bubbles are not allowed in the cladding.
The characteristic parameters that can be specified for FSI preforms include the type of core and cladding material, cladding thickness and composition (single or multiple cladding), and numerical aperture (NA).
FSI preforms are used for manufacturing special fibers with undoped core and doped cladding for diverse industrial and medical sectors as well as in research and development.
Multimode preforms are graded-index preforms for high-performance multimode fibers in the 50/125 and 62.5/125 designs.