Multibevel Fiber Lens
Lensed fibers have fiber end faces precision-machined into multiple angled surfaces or cones, with a flat or spherical surface at the core tip, to meet specific optical path, spot, and coupling requirements. Photonstream can manufacture lensed fibers with various specially shaped end faces and apply additional optical coatings according to customer requirements. These are customized optical products.
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Overview
Lensed fibers have fiber end faces precision-machined into multiple angled surfaces or cones, with a flat or spherical surface at the core tip, to meet specific optical path, spot, and coupling requirements. Photonstream can manufacture lensed fibers with various specially shaped end faces and apply additional optical coatings according to customer requirements. These are customized optical products.
Specifications
| Parameter | Value |
|---|---|
| Output far-field spot [Pointed cone] | Annular |
| Top cone included angle [Pointed cone] | 60°~120° |
| Top [Flat cone] | Arc-shaped |
| Cone Included Angle [Flat cone] | 60°~120° |
| Top radius of curvature R [Flat cone] | 8um≤R≤12um |
| Applicable coupled-output far-field spot [Flat cone; FWHM; laser chip] | 15°~40° |
| Output Far-Field Image [Double Bevel] | Flat spot |
| Cone Included Angle [Double Bevel] | 60°~120° |
| Output Far-Field Image [Four Bevels] | Rectangular spot |
| Cone Included Angle [Four Bevels] | 60°~120° |
| Top radius of curvature R [Wedge] | 8um≤R≤12um |
| Cone Included Angle [Wedge] | 60°~120° |
| Applicable coupled-output far-field spot [Wedge; FWHM; laser chip] | 15°~40° |
Applications
Pointed cone: single-mode/multimode fiber beam expansion and medical endoscope illumination. Flat cone: fiber-coupled laser output from DFB lasers. Double bevel: endoscope illumination and fiber-coupled DFB laser output. Four bevels: fiber-coupled output from high-power semiconductor lasers. Wedge: fiber-coupled DFB laser output.
Key Features
Customized products A choice of fiber materials including single-mode, multimode, and polarization-maintaining fibers. Fiber length and coating stripping length can be customized for specific applications to meet customized output spot and coupling requirements. Direct bare-fiber processing No auxiliary adhesives or organic residue, ensuring high cleanliness. Bare-fiber coating Coating on the bare-fiber end face effectively improves coating performance and adhesion. Strict error control Precision end-face processing produces high-quality fiber end faces with tightly controlled processing angle errors.
Datasheet
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Supplier Information
Founded in 2012, Shenzhen Fujin Optoelectronic Technology Co., Ltd. is a high-tech enterprise specializing in producing coated optical fiber products for various wavelength bands for semiconductor laser manufacturers. The company's products include bare fiber coating, ceramic ferrule coated pigtails, SMA905/D80 high-power transmission jumper coating, single-angled, wedge-shaped, and tapered lensed fibers, widely used in pump laser coupling and transmission for fiber lasers, industrial laser transmission, medical laser transmission, and fiber sensing. With over 20 patented technologies, the company independently developed bare fiber grinding and polishing technology to ensure high cleanliness and high damage threshold of fiber end faces, and continuously optimized high-power laser coating processes. Its products have been adopted by leading domestic and international laser manufacturers. The company has passed ISO9001:2015 quality management system certification and has built an efficient management team, excellent R&D engineers, and a comprehensive after-sales service system.
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