Fluorine-Doped Fused Silica Tubes FST for Special Fiber Production

Name: Fluorine-Doped Fused Silica Tubes FST for Special Fiber Production
Brand: Weinert Fiber Optics
Availability: InStock

Description

Leoni Fiber Optics presents its high-quality fused silica tubes, crafted from ultrapure materials to cater to the demanding needs of fiber optic production. These tubes are meticulously designed to serve as the backbone for special fibers, preforms, and optical components, ensuring superior performance and reliability. The purity and precision of these tubes make them an indispensable resource for manufacturers aiming to achieve excellence in their fiber optic products.

The fused silica tubes from Leoni are available in a variety of sizes and dopings, offering unparalleled flexibility for customization. Whether you require undoped tubes with low OH content or fluorine-doped variants with specific refractive index profiles, these tubes can be tailored to meet your exact specifications. This adaptability makes them ideal for creating innovative preform designs and pioneering special fiber technologies.

Among the offerings, the Fluorine-doped fused silica tubes (FST) stand out for their exceptional properties. Developed to meet the stringent requirements of special fiber manufacturers, FST tubes feature high fluorine concentrations, resulting in a negative refraction index delta. This characteristic, combined with low OH content and customizable numerical apertures, makes them an excellent choice for creating sophisticated fiber optic designs. These tubes provide a reliable foundation for preform design, ensuring consistency and precision in fiber optic manufacturing processes.

In summary, Leoni's fused silica tubes offer a robust solution for the production of high-performance optical fibers and components. Their versatility and superior material properties make them a preferred choice for manufacturers seeking to innovate and excel in the field of fiber optics.

Specifications

Fluorine Concentration:	4 wt %
Refractive Index Delta:	(17 ±3) × 10⁻³
Numerical Aperture (NA):	up to 0.22
OH Content:	<20 ppm
Refractive Index At 633 Nm:	1.440
Refractive Index At 1064 Nm:	1.433
Thermal Expansion Coefficient:	2.5×10⁻⁷ K⁻¹
Density:	2.180 g/cm³
Inner Tube Ø (I.D.):	20 – 40 mm
Fluorine Doped Wall Thickness:	1.5 – 15 mm
Tube Length:	max. 1000 mm
Non-circularity:	≤ 3 %
Deflection:	≤ 1.5 mm/m

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Features

Material Quality: Tubes made of ultrapure fused silica, ideal for producing special fibers, preforms, and optical components.
Versatile Applications: Suitable for industrial and medical applications when drawn as capillaries. Special doped versions support high-power laser transmission and are perfect for manufacturing photonic crystal fibers.
Customizable Designs: Available in different sizes and dopings, including customer-specific undoped fused silica tubes with low OH content, and fluorine-doped tubes with high concentrations.
Innovative Solutions: Ideal for individual preform designs and manufacturing innovative special fibers.
Fluorine-Doped Tubes: Developed for special fiber manufacturers, these tubes have high fluorine concentrations (up to 4 wt.%) and a negative refraction index delta of (17 ±3) × 10-3.
High Performance: Offers numerical apertures (NA) of up to 0.22 and low OH content (<20 ppm) for easy finishing and processing in preforms or capillaries.
Customer-Specific Variations: Custom preforms can be produced with single-level or multi-level refractive index profiles.

Applications

Drawn as capillary: Ideal for industrial and medical applications.
Special doped versions: Supports the manufacturing of combiners in high-power laser transmission.
Photonic crystal fibers: Perfect tube material for manufacturing these fibers.
Substrate or jacketing tubes: Developed for the production of special fiber designs.
CVD processes: Used as substrate materials.
Overcladding processes: Essential for preform production.
Fluorine-doped capillary: Utilized for special fiber designs.

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United States

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Weinert Fiber Optics

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since 2015

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Frequently Asked Questions

What are the properties of FST tubes?

FST tubes have a low OH content (<20 ppm), are available as uniformly doped tubes as well as customer-specific variations, and allow easy finishing and processing in preforms or capillaries. They have a thermal expansion coefficient of 2.5×107 K1, a density of 2.180 g/cm3, and an inner tube Ø (I.D.) of 20 – 40 mm.

What are the applications of FST tubes?

FST tubes are used for a multitude of applications, including as substrate or jacketing tubes for special fiber designs, as substrate materials in CVD processes, for overcladding processes in preform production, and as Fluorine-doped capillary for special fiber designs.

What are FST fused silica tubes?

FST fused silica tubes are ultrapure tubes made of fused silica that are doped with fluorine to meet the particular requirements of special fiber manufacturers.

What is the fluorine concentration in FST tubes?

FST tubes contain the highest fluorine concentrations of 4wt. %, resulting in a negative refraction index delta of (17 ±3) × 10 -3.

What are the numerical apertures (NA) of FST tubes?

FST tubes are offered with numerical apertures (NA) of up to 0.22 (compared to pure fused silica).