Optical Fiber
TopRays focuses on the field of specialty optical fibers. Working closely with internationally renowned manufacturers and integrating a high-quality global supply chain, we deliver one-stop solutions covering polarization-maintaining fibers, hollow-core fibers, quartz and metal-coated fibers, multicore fibers and liquid light guides.
Our products are deployed in core scenarios across a wide range of industries: co-packaged optics (CPO), high-speed optical communications, fiber lasers, fiber-optic gyroscopes and distributed sensing, UV and infrared spectral detection, and laser power delivery and medical illumination — serving high-end manufacturing and frontier research with professional quality.
We take a solution-driven approach to service. Drawing on deep knowledge of the fiber industry, we provide complete technical support including fiber selection, optical and geometric parameters, coating and jacketing options, and connection and coupling. We also support small trial samples and flexible customization — operating wavelength, cladding and coating structures — precisely matched to your R&D and volume production needs.
| Category | Representative Products | Key Features |
|---|---|---|
| Polarization-maintaining fibers | PM fibers for CPO, standard device-grade, bend-insensitive and thin-diameter bend-insensitive types | Panda structure, high birefringence, excellent grindability |
| Hollow-core fibers | Hollow-core anti-resonant fiber (ARF), hollow-core fiber converter | Ultra-low loss, low latency, very low nonlinearity, high damage threshold |
| Quartz and metal-coated fibers | NIR-Ge, UV-SRC, aluminium-coated, copper-coated, metal-coated, UV, UV-HC and others | Broad spectral transmission, high-temperature and high-vacuum tolerance, hermetic coating |
| Multicore & Liquid Light Guides | Multicore Fibers & Liquid Light Guides | Customizable, supports kilowatt-level power |
| Specialty Optical Fibers | MID-IR、Capillary、Borosilicate、POF | Silver-halide, flexible quartz capillary, borosilicate glass and plastic materials |
Parameters, geometry and jacket options for each product are given on its product page and datasheet. Custom designs are available on request.
High-performance PM Fiber for CPO
High-performance Panda-type PM fiber for co-packaged optics (CPO), covering 1310 nm with 125 μm and 80 μm cladding options and a minimum bend radius of 5 mm.
High-performance Panda-type PM fiber for co-packaged optics (CPO), covering 1310 nm with 125 μm and 80 μm cladding options and a minimum bend radius of 5 mm.
Full specifications Download datasheet
Standard PM Fiber for Devices
Standard Panda-type PM fiber for polarization-sensitive devices, covering operating wavelengths from 780 nm to 1550 nm.
Standard Panda-type PM fiber for polarization-sensitive devices, covering operating wavelengths from 780 nm to 1550 nm.
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Bend-insensitive PM Fiber for Devices
Bend-insensitive PM fiber with bend radius down to 7.5 mm or 5 mm (BIR7.5 / BIR5), for high-density optical interconnects and miniaturized devices.
Bend-insensitive PM fiber with bend radius down to 7.5 mm or 5 mm (BIR7.5 / BIR5), for high-density optical interconnects and miniaturized devices.
Full specifications Download datasheet
Thin-diameter Bend-insensitive PM Fiber
Thin-diameter (80/165 μm) bend-insensitive PM fiber with a 5 mm bend radius, about 60% smaller cross-section than 125 μm fiber, for ultra-compact optical modules.
Thin-diameter (80/165 μm) bend-insensitive PM fiber with a 5 mm bend radius, about 60% smaller cross-section than 125 μm fiber, for ultra-compact optical modules.
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Hollow-core Anti-resonant Fiber (ARF)
Hollow-core anti-resonant fiber guiding light in an air core, with ultra-low loss, low dispersion, low nonlinearity and a high damage threshold.
Hollow-core anti-resonant fiber guiding light in an air core, with ultra-low loss, low dispersion, low nonlinearity and a high damage threshold.
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Hollow-core Fiber Converter (HCF)
Coupling converter between hollow-core and standard solid-core fibers, with insertion loss ≤ 0.5 dB and return loss ≥ 55 dB.
Coupling converter between hollow-core and standard solid-core fibers, with insertion loss ≤ 0.5 dB and return loss ≥ 55 dB.
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TOP® NIR-Ge Germanium-doped Quartz Fiber
High-NA germanium-doped quartz fiber covering 400–2600 nm, with customizable core sizes and jackets.
High-NA germanium-doped quartz fiber covering 400–2600 nm, with customizable core sizes and jackets.
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TOP® UV-SRC Hermetic Carbon-coated Fiber
Quartz fiber with hermetic carbon coating designed for the UVC range, with enhanced resistance to UV solarization.
Quartz fiber with hermetic carbon coating designed for the UVC range, with enhanced resistance to UV solarization.
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TOP® Aluminium-coated Quartz Fiber
Aluminium-coated quartz fiber for high-temperature, high-vacuum and other extreme environments.
Aluminium-coated quartz fiber for high-temperature, high-vacuum and other extreme environments.
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TOP® Copper-coated Quartz Fiber
Copper-alloy-coated quartz fiber for extreme applications with very high temperature and high vacuum.
Copper-alloy-coated quartz fiber for extreme applications with very high temperature and high vacuum.
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TOP® Metal-coated Quartz Fiber
Tin, copper and aluminium metal-coated quartz fibers that withstand the highest temperatures among all fiber types.
Tin, copper and aluminium metal-coated quartz fibers that withstand the highest temperatures among all fiber types.
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TOP® Multicore Fiber
Concentric and separated multicore fibers for precise control of power density and beam shape.
Concentric and separated multicore fibers for precise control of power density and beam shape.
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TOP® Liquid Lightguides
Liquid lightguides in the DUV / UV / UV_VIS / VIS_NIR series, with multiple cross-sections, jacket types and end-fitting options.
Liquid lightguides in the DUV / UV / UV_VIS / VIS_NIR series, with multiple cross-sections, jacket types and end-fitting options.
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TOP® UV, TOP® NIR Quartz/Quartz Fiber
Quartz/quartz fibers (optional buffer) in UV and NIR series, core diameters 20–3000 µm, low-OH grades available.
Quartz/quartz fibers (optional buffer) in UV and NIR series, core diameters 20–3000 µm, low-OH grades available.
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TOPR® UV, TOPR® WF Quartz/Quartz Fiber
Quartz/quartz fibers (optional buffer) in UV and WF series, core diameters 25–2000 µm, with product code selection.
Quartz/quartz fibers (optional buffer) in UV and WF series, core diameters 25–2000 µm, with product code selection.
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TOP® UV-HC / NIR-HC Hard-polymer-clad Fiber
Hard-polymer-clad quartz fibers with high NA and strong cost-effectiveness, for remote illumination and photodynamic therapy.
Hard-polymer-clad quartz fibers with high NA and strong cost-effectiveness, for remote illumination and photodynamic therapy.
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TOP® MID-IR Silver-halide Fiber
Photosensitive silver-halide fiber with low attenuation in the mid-infrared, optimized for CO and CO2 lasers.
Photosensitive silver-halide fiber with low attenuation in the mid-infrared, optimized for CO and CO2 lasers.
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TOP® Capillary Flexible Quartz Capillary
Flexible quartz capillary with temperature resistance up to 400 °C for gas chromatography and other applications.
Flexible quartz capillary with temperature resistance up to 400 °C for gas chromatography and other applications.
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TOP® Borosilicate Glass Fiber
Borosilicate glass fiber: cost-effective, heat-resistant, large numerical aperture, tightly packed bundles.
Borosilicate glass fiber: cost-effective, heat-resistant, large numerical aperture, tightly packed bundles.
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TOP® POF Plastic Optical Fiber
PMMA plastic optical fiber: robust, lightweight and flexible.
PMMA plastic optical fiber: robust, lightweight and flexible.
Full specifications Download datasheetClick a model name to open its own page with full specifications (transmission / dimensional tolerances / spectrum / chemical and physical properties) and the datasheet PDF.
