Product type: Mirror. Application: Lighting, Medical, Optical, Photography, Astronomy.
Overview
The 100X10mm or Customized Size N-BK7 Optical Mirror Substrate is supplied as an optical mirror made from Optical Glass. Listed geometry: size 100.0+/-0.1mm, thickness 10.0+/-0.1mm, rectangle shape. Optical / electrical data: transmittance 90%-95%. Supplied uncoated. 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 | Mirror |
| Shape | Rectangle |
| Thickness | 10.0+/-0.1mm |
| Transmittance | 90%-95% |
| Coating | Uncoated |
| Parallelism | <2arcsec |
| Clear aperture | >85% |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Lenses Color | Clear |
| Specifications | Items |
| Dimensions | 100.0+/-0.1mm |
| ROC1 | infinity |
| ROC2 | infinity |
| Chamfer | protected |
| Standard | MIL-PRF-13830B |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Items | Description | |
| Mirror substrate | Material: | Schott N-BK7 |
| Dimensions: | 100.0+/-0.1mm | |
| Thickness: | 10.0+/-0.1mm | |
| ROC1: | infinity | |
| ROC2: | infinity | |
| S2:N/A | ||
| Surface quality: | S1:20-10 | |
| S2:fine ground | ||
| Parallelism: | <2arcsec | |
| Clear aperture: | >85% | |
| Chamfer: | protected | |
| 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 “100.0+/-0.1mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “protected”; state centration and edge chamfer.
- Coating — listed as “Uncoated”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Laser Assisted Glass Cutting for Tight Tolerance Parts. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Technical Guide to Glass Thickness and Flatness Requirements. A related standard product is Laser Beam Splitter Glass Sheet.
