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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

Introducing our high OH fused silica rods, meticulously crafted from undoped glass to meet the demanding requirements of the UV/VIS range. These rods are integral in the efficient manufacturing of optical components like lenses, mirrors, and plates. The purity of the material ensures exceptional optical and physical properties, ...

Specifications

Diameter: 25-80mm
Rod Length: 200-800mm
Substrate Material: Fused Silica
The SQ High OH Fused Silica Rods from Leoni Fiber Optics are expertly crafted from undoped silica, designed specifically for applications within the UV and VIS range. This high-purity material is ideal for the efficient manufacturing of various optical components, including lenses, mirrors, and plates. Its exceptional optical and ...

Specifications

Core Diameter: 3 to 13 mm
Boron Content: up to 20 wt. %
Length Of Rod: 200 to 600 mm
SQ High OH Fused Silica Rods are crafted from undoped glass, specifically designed for applications within the UV/VIS range. This material is integral to the efficient manufacturing of optical components such as lenses, mirrors, and plates, as well as the production of special pre-forms. The highly pure material offers exceptional ...

Specifications

Core Diameter: 3 to 13 mm
Boron Content: up to 20 wt. %
Length Of Rod: 200 to 600 mm
Substrate Material: Fused Silica
SQ Fused Silica is a premium material specifically engineered for the production of optical and photonic devices. It plays a crucial role in the fiber optic, semiconductor, and display technology sectors, in addition to various optical and laser applications. This material is renowned for being particularly free of inclusions and ...

Specifications

Transmission At 193 Nm: Excellent
Transmission At 248 Nm: Excellent
Path Length: 10 mm
Path Length: 40 mm
Laser-induced Fluorescence (LIF): Lowest level
Discover the exceptional qualities of SQ Fused Silica, a superior material designed for the production of optical and photonic devices. This ultrapure fused silica is particularly valued in the fiber optic, semiconductor, and display technology markets, as well as for various optical and laser applications. Renowned for its ...

Specifications

Transmission At 193 Nm: Excellent
Transmission At 248 Nm: Excellent
Typical Transmission Path Length: 10 mm
Excimer Grade: SQ1 or SQ0
Fluorescence Signal: Very low level
SQ Fused Silica is a premium material designed specifically for the production of optical and photonic devices. It caters to the demanding requirements of the fiber optic, semiconductor, and display technology markets. This material is renowned for its exceptional optical and physical properties, making it ideal for a wide range of ...

Specifications

Transmission At 193 Nm: Excellent
Transmission At 248 Nm: Excellent
Laser-Induced Fluorescence: Lowest level
Path Length For Typical Transmission: 40 mm
Fluorescence Signal: Very low level
SQ Fused Silica is a premium material designed for the production of optical and photonic devices, particularly within the fiber optic, semiconductor, and display technology markets. This material is renowned for its exceptional optical and physical properties, making it an ideal choice for applications requiring high performance and ...

Specifications

Excimergrade Fused Silica Transmission: 193 nm / 248 nm
Path Length For Typical Transmission: 40 mm
Substrate Material: Fused Silica
SQ Fused Silica is a premium material specifically engineered for the production of optical and photonic devices, making it an ideal choice for industries such as fiber optics, semiconductors, and display technology. This high-purity material stands out due to its exceptional optical and physical properties. Its inclusion- and ...

Specifications

Transmission At 193 Nm: Excellent
Transmission At 248 Nm: Excellent
Laser-induced Fluorescence (LIF): Lowest level
Typical Transmission Path Length: 10 mm
Fluorescence Signal: Very low level
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 ...

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
At the forefront of optical innovation, LEONI's subsidiary, j-fiber, stands out in the production of high-quality preforms, utilizing highly pure fused silica materials. These preforms form the cornerstone for crafting both high-performance special fibers and standard fibers, tailored meticulously to meet specific customer demands. ...

Specifications

Core Composition: SiO2 / GeO2
Preform Diameter (O.D.): 10-40 mm
Cladding Composition: SiO2
Numerical Aperture: 0.10 - 0.24
The LEONI subsidiary, j-fiber, is at the forefront of developing and producing high-quality preforms using highly pure fused silica materials. These preforms are meticulously crafted according to customer specifications, serving as the foundation for manufacturing high-performance special fibers and standard fibers. Whether your ...

Specifications

Core Composition: SiO2 / GeO2
Cladding Composition: SiO2
Preform Diameter (O.D.): 15-25 mm
Numerical Aperture: 0.16 - 0.30
LEONI, through its subsidiary j-fiber, offers high-purity fused silica preforms tailored to customer specifications for manufacturing high-performance optical fibers. These preforms serve as the foundation for applications requiring high data rates, precision sensing, and high-power laser transmission. Available in step-index and ...

Specifications

Cladding Composition: SiO2
Core Composition: SiO2 / GeO2
Preform Diameter (O.D.): 10-40 mm
Numerical Aperture: 0.1 - 0.15
At the heart of LEONI Fiber Optics' innovation is the development and production of high-quality preforms, crafted using highly pure fused silica materials. These preforms serve as the fundamental building blocks for manufacturing high-performance special fibers and standard fibers. Our subsidiary, j-fiber, specializes in tailoring ...

Specifications

Core Composition: SiO2
Cladding Composition: SiO2 /F
Preform Diameter (O.D.): 20 - 70 mm
At LEONI Fiber Optics, a subsidiary of the renowned LEONI Group, we pride ourselves on delivering exceptional preforms crafted from highly pure fused silica materials. These preforms serve as the foundational element in the creation of both high-performance special fibers and standard fibers, tailored meticulously to meet customer ...

Specifications

Core Diameter: 62.5 um
Preform Length: 600-1200 mm
Cladding Diameter: 125 um
Core Composition: SiO2/GeO2
LEONI's subsidiary, j-fiber, is a leader in developing and producing high-quality preforms using highly pure fused silica materials. These preforms serve as the foundation for manufacturing high-performance special fibers and standard fibers, tailored to meet customer specifications. Whether your objective is to facilitate the ...

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.