915/940/965nm Near-Infrared Fiber Coating-63um Fiber Cylinder Coating FAC
Cylindrical lenses, also called FAC fast-axis collimation lenses, generally use quartz rods with a diameter of 63um or 200/220um optical fibers coated on their sides. They collimate the laser's fast-axis divergence and improve optical-power coupling efficiency. FAC lens coating is difficult. Multiple glass rods/fibers of a specified length are generally fixed parallel in a fixture, loaded into a coating machine, and coated twice, on the front and back. Individual glass fibers are then cut into short sections for use in individual products.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Fiber Specifications | Ø63um high-purity unclad glass rod; MM-S200/220-22A fiber; or as specified by the customer |
| Number of Lenses | 25-27根/夹 |
| Lens Effective Length [Customers can cut it into 7-8mm sections as needed] | 60.5mm per rod; customers can cut it into 7-8mm sections as needed |
| Coating Method | Antireflection coating on both sides of the cylindrical fiber surface |
| Coating Specifications R [@CW±25nm;CW=638/ 915 /945nm; or customized to customer requirements] | R<0.2%@CW±25nm,CW=638/ 915 /945nm; or customized to customer requirements |
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