Beijing Samyon Instruments Co., Ltd.
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High Coupling Efficiency Spherical Lensed Fiber , DFB Collimated Beam / Cylindrical Lensed Fiber
Lensed Fiber Introduction
Lensed Fiber is also named as fiber micro-lens or fiber lens. It used to change the light path or mode conversion in light system by special process on optical surface of fiber. we have three types of lensed fiber: Cylindrical Lensed Fiber, Spherical Lensed Fiber and Collimated Beam Lensed Fiber.
1. Spherical Lensed Fiber
Introduction: Polish spherical shape on the optical surface of fiber, to enlarge fiber NA by special process on the fiber tip.
| Features | High Coupling Efficiency; Simplicity and Reliability |
| Applications | LD,DFB,SLD Laser or VCSEL Coupling; Medical Laser and Lighting |
2. Cylindrical Lensed Fiber
Introduction: Most of cylindrical lensed fiber assemblies is used for light patch coupling. There are several processing techniques, micro-cylindrical lensed fiber processing, side-cylindrical lensed fiber processing, three-cylindrical lensed fiber processing, four-cylindrical lensed fiber processing and so on.
| Features | High Coupling Efficiency for Elliptical FFP |
| Applications | Assembly for 980nm LD; Optical Direct Coupling to LD or Wave Guide |
3. Collimated Beam Lensed Fiber
Introductoin:Lapping a ball on the optical surface of fiber, polish customized angle and size.
| Features | Small size Collimator Monolithic Collimator. |
| Applications | Fiber Collimator Optical Switch, Filter Module, PD Module, etc. Optical Sensor |
Lensed Fiber Specification Details:
| Fiber Type | SMF, MMF or customized | SMF, MMF or customized | SMF, MMF or customized |
| Min. Gold Plating Thickness | 0.1um | 0.1um | / |
| Min. Plating Full Force | 10N | 10N | / |
| Operating Temperature | -45~+85°C | -45~+85°C | -45~+85°C |
| Soldering Temperature | 280° | 280° | / |
| Soldering Material | 80%AU/ 20%Sn | 80%AU/ 20%Sn | / |
| AR-coating | Customized | Customized | Customized |
