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Raw Materials

Photochromic fibers refer to fibers whose color changes reversibly under sunlight or ultraviolet light, etc. Photochromic fibers are prepared by introducing photochromic substances into the fibers. Examples of organic photochromic materials include hydrazones, osazones, semicarbazones, anilines, disulfoxides, succinic anhydride, ...

Specifications

J-Plasil Fused Silica rods are made for the VIS, NIR and IR range. The low OH high-performance fused silica material was developed particularly for the transmission in the VIS to IR wavelength range and offers a further optimizing for the application in the IR range. It is produced using a plasma based ...

Specifications

Diameter: 25-80 mm
Rod Length: 200-800 mm
Substrate Material: Fused Silica
BDSR Boron-doped fused silica rods are used for the production of polarization maintaining (PM) fibers in the so-called Panda design.  

Specifications

Core Diameter: 3-13 mm
Length Of Rod: 200-600 mm
Undoped silica for application in the UV / VIS range. It is used for  efficient manufacuring of optical components such as lenses mirrors and plates, as well as for the production of special preforms. The higly pure material offers best optical and physical properties and highest homogeneity in the refractive ...

Specifications

Substrate Material: Fused Silica
SQ Fused Silica – Especially for the production of optical and photonic devices in the fiber optic, semiconductor and display technology markets, as well as for optical applications and laser applications. The particularly inclusion- and bubble-free material features excellent optical and physical properties: ■ Laser ...

Specifications

Substrate Material: Fused Silica
SQ Fused Silica – Especially for the production of optical and photonic devices in the fiber optic, semiconductor and display technology markets, as well as for optical applications and laser applications. The particularly inclusion- and bubble-free material features excellent optical and physical properties: ■ Laser ...

Specifications

Substrate Material: Fused Silica
SQ Fused Silica – Especially for the production of optical and photonic devices in the fiber optic, semiconductor and display technology markets, as well as for optical applications and laser applications. The particularly inclusion- and bubble-free material features excellent optical and physical properties: ■ Laser ...

Specifications

Substrate Material: Fused Silica
SQ Fused Silica – Especially for the production of optical and photonic devices in the fiber optic, semiconductor and display technology markets, as well as for optical applications and laser applications. The particularly inclusion- and bubble-free material features excellent optical and physical properties: ■ Laser ...

Specifications

Substrate Material: Fused Silica
SQ Fused Silica – Especially for the production of optical and photonic devices in the fiber optic, semiconductor and display technology markets, as well as for optical applications and laser applications. The particularly inclusion- and bubble-free material features excellent optical and physical properties: ■ Laser ...

Specifications

Substrate Material: Fused Silica
FST fused silica tubes were developed to provide special fiber manufacturers with a reliable source for Fluorine-doped high performance tubes. FST is the perfect basis for preform design, as it meets the particular requirements of special fiber manufacturers. FST tubes contain highest Fluorine concentrations of 4wt. % ...

Specifications

Inner Tube Diameter (I.T.): 20-40 mm
Material Composition: SiO2 /F
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 ...

Specifications

Core Composition: SiO2 / GeO2
Preform Diameter (O.D.): 10-40 mm
Cladding Composition: SiO2
Numerical Aperture: 0.10 - 0.24
The j-fiber group offers preforms with Germanium-doped core for the manufacturing of special step-index fibers. In order to ensure the specified fiber transmission properties, the preforms are produced using j-fiber\'s own MCVD technique. The highly photosensitive singlemode preforms were developed for the efficient ...

Specifications

Core Composition: SiO2 / GeO2
Cladding Composition: SiO2
Preform Diameter (O.D.): 15-25 mm
Numerical Aperture: 0.16 - 0.30
The j-fiber group offers preforms with Germanium-doped core for the manufacturing of special step-index fibers. In order to ensure the specified fiber transmission properties, the preforms are produced using j-fiber\'s own MCVD technique. The highly photosensitive singlemode preforms were developed for the efficient ...

Specifications

Cladding Composition: SiO2
Core Composition: SiO2 / GeO2
Preform Diameter (O.D.): 10-40 mm
Numerical Aperture: 0.1 - 0.15
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 ...

Specifications

Core Composition: SiO2
Cladding Composition: SiO2 /F
Preform Diameter (O.D.): 20 - 70 mm
Using highly pure fused silica materials, the LEONI subsidiary j-fiber develops and produces high-quality preforms according to customer specifications. They are the basis for the manufacturing and application of high-performance special fibers and standard fibers. LEONI offers graded-index preforms for ...

Specifications

Core Diameter: 62.5 um
Preform Length: 600-1200 mm
Cladding Diameter: 125 um
Core Composition: SiO2/GeO2
Using highly pure fused silica materials, the LEONI subsidiary j-fiber develops and produces high-quality preforms according to customer specifications. They are the basis for the manufacturing and application of high-performance special fibers and standard fibers. LEONI offers graded-index preforms for ...

Specifications

Core Diameter: 50 um
Preform Length: 600-1200 mm
Cladding Diameter: 125 um
Core Composition: SiO2/GeO2

Raw Materials for Optical Fibers: Foundation for Custom Fiber Fabrication

The performance and reliability of optical fibers heavily depend on the quality of their raw materials. FindLight offers a range of high-purity raw materials essential for manufacturing custom optical fibers, including silica preforms, dopants, and specialty coatings.

Silica preforms serve as the starting material for fiber drawing, providing the base glass with precise refractive index profiles needed for the desired fiber characteristics. Dopants such as germanium, phosphorus, or rare-earth elements are introduced to tailor the optical and mechanical properties, enabling fibers with low loss, high strength, or active gain capabilities.

Specialty coatings and jacketing materials enhance fiber durability, flexibility, and resistance to environmental factors such as moisture, temperature extremes, and mechanical stress.

These raw materials allow fiber manufacturers and researchers to develop fibers customized for telecommunications, sensing, medical devices, and high-power laser systems. FindLight’s supply supports innovation by providing the fundamental building blocks required to push the boundaries of fiber optic technology.

Choosing the right raw materials is critical to achieving optimal fiber performance, reliability, and longevity. FindLight’s comprehensive selection enables the production of fibers that meet stringent industry standards and application-specific demands.

Did You know?

Optical fibers are composed primarily of silicon dioxide (SiO 2), though minute amounts of other chemicals are often added. Highly purified silica powder was used in the now-outmoded crucible manufacturing method, while liquid silicon tetrachloride (SiCl 4) in a gaseous stream of pure oxygen (02) is the principal source of silicon for the vapor deposition method currently in widespread use. Other chemical compounds such as germanium tetrachloride (GeCl 4) and phosphorus oxychloride (POC1 3) can be used to produce core fibers and outer shells, or claddings, with function-specific optical properties. The first step in manufacturing glass optical fibers is to make a solid glass rod, known as a preform. There are several methods to create a fiber optic cable like Modified chemical vapour deposition, outside vapour deposition etc.