Single-Bevel Lensed Fibers
A single-bevel lensed fiber is made by precision grinding and polishing the fiber end face at a specified angle to form a bevel, then depositing an optical thin film as required to reduce back-reflection interference, reduce insertion loss, or change the laser transmission path. The single-bevel fiber lenses processed by Fujin Optoelectronics offer reliable end-face quality and excellent optical coatings to meet customer requirements in various fields.
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Overview
A single-bevel lensed fiber is made by precision grinding and polishing the fiber end face at a specified angle to form a bevel, then depositing an optical thin film as required to reduce back-reflection interference, reduce insertion loss, or change the laser transmission path. The single-bevel fiber lenses processed by Fujin Optoelectronics offer reliable end-face quality and excellent optical coatings to meet customer requirements in various fields.
Specifications
| Parameter | Value |
|---|---|
| Fiber Type [or as specified by the customer] | Single-mode / multimode / polarization-maintaining fiber, or customer-specified |
| Fiber Model [or as specified by the customer] | SMF-28,Hi1060, or as specified by the customer |
| Coating Stripping Length [Customer-specified ; or as specified by the customer] | Customer-specified +/-0.5mm, or as specified by the customer |
| Bevel Angle (Angle to the Fiber Axis) [Angle to the fiber axis] | 15°~90° |
| Fiber Length [or as specified by the customer] | 50-200cm,或客户指定 |
| Fiber Tip Coating Parameters [@ Center Wavelength +/-50nm] | Antireflection Coating ,R<0.2%@ Center Wavelength +/-50nm |
Applications
Main applications include laser end-face coupling, fiber side coupling, PLC equipment coupling, side-pump fiber combiners, optical sensor receivers, and endoscope illumination. 82° single bevel: reduces back-reflection interference; semiconductor laser fiber coupling; PLC or WDM passive-device coupling output; fiber connectors. 60° single bevel: redirects the optical path by a large angle; fiber input to photoelectric sensors; endoscope illumination. 45° single bevel: enables a 90° optical-path turn; special optical designs and medical endoscope illumination. 30° single bevel: fiber side-pump combiners; side coupling of visible/indicator light.
Key Features
Single-mode, multimode, polarization-maintaining and other fiber types are available. Fiber length and coating-stripping length can be customized for the application. No auxiliary adhesive or organic residue; high cleanliness assured. Direct coating of the bare fiber end face improves coating performance and adhesion. Precision end-face processing produces high-quality fiber end faces with bevel angle error below ±0.3°.
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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