FiberTech Multimode Germanium-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 Multimode Germanium-Doped Step-Index Preforms
Specifications |
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|---|---|
| Core Composition: | SiO2 / GeO2 |
| Preform Diameter (O.D.): | 10-40 mm |
| Cladding Composition: | SiO2 |
| Numerical Aperture: | 0.10 - 0.24 |
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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
Each preform is produced with the suited technology: Step 1 involves the choice of the appropriate core material, either from their raw material production of undoped fused silica with high or low OH content or by direct coating of doped fused silica. Step 2 involves the production of the final waveguide preform, either their own MCVD process (inner coating) for graded-index and step-index fibers or a PBVD process (outer coating) for large core step-index fibers.
Yes, FSI preforms can be fitted to the customer's demands concerning UV or IR laser transmission, spectroscopy, and high-power laser transmission. LEONI also offers individual solutions that can be specified regarding the characteristic parameters such as the type of core and cladding material, cladding thickness and composition, and numerical aperture.
The typical values for wavelength, radius, and refractive index of the preforms depend on the type, such as TYPE 62.5/125/245 and TYPE 50/125/245. The core composition for 50/125 and 62.5/125 preforms is SiO2/GeO2, and the refractive index profile is nearly parabolic with a refractive index delta of 13.7 × 10–3 and 25.9 × 10–3, respectively.
FSI preforms are used for the manufacturing of special fibers with undoped core and doped cladding, which are applied in diverse industrial and medical sectors as well as in research and development.
The acceptable bubble sizes in the preforms depend on the location, with no count allowed in the cladding and 5, 2, and 0 counts allowed for s ≤ 0.3, 0.3 < s ≤ 0.8, and 0.8 < s ≤ 2.0, respectively.