Product type: Light Pipe. Application: Lighting, Medical, Optical, Photography, Astronomy. Model: Light pipe.
Overview
Optical Schott N-BK7 Tapered Light Guide Pipe is a waveplate / polariser / grating made from Optical Glass. Listed geometry: size 2.5×2.5+/-0.1mm, tapered shape. Optical / electrical data: transmittance 90%-95%. Coating: HMC; surface quality 40-20. Listed for Lighting, Medical, Optical, Photography and Astronomy applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Light Pipe |
| Shape | Tapered |
| Transmittance | 90%-95% |
| Coating | HMC |
| Surface quality | 40-20 |
| Parallelism | <3arcmin |
| Clear Aperture | >90% |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Model NO. | Light pipe |
| Lenses Color | Clear |
| Specifications | Items |
| Dimensions | 2.5×2.5+/-0.1mm |
| Length | 50.0+/-0.3mm |
| R1 | infinity |
| R2 | infinity |
| Chamfer | protected |
| Standard | MIL-PRF-13830B |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Items | Description | |
| Tapered Light pipe | Material: | Schott N-BK7 |
| Dimensions: | 2.5×2.5+/-0.1mm | |
| 7.5×7.5+/-0.1mm | ||
| Length: | 50.0+/-0.3mm | |
| R1: | infinity | |
| R2: | infinity | |
| Surface quality: | 40-20 | |
| Parallelism: | <3arcmin | |
| Clear Aperture: | >90% | |
| Chamfer: | protected | |
| chips<0.2mm | ||
| Coating: | uncoated | |
| Standard: | MIL-PRF-13830B |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “2.5×2.5+/-0.1mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40-20”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “protected”; state centration and edge chamfer.
- Coating — listed as “HMC”; list the band and reflectance or transmission target.
Engineering guides for this part
Before sending a drawing, check Design Guide for CNC Machined Precision Glass Components. For dimensioning and inspection notes, see How to Specify Tolerances for Precision Glass Parts: A Design Guide.
