Product type: Roof Prism. Application: Beam Dispersion, Beam Split. Model: Amici Roof Prism.
Overview
50.9X50.9X44.4mm (AR) Coated Optical Amici Roof Prism: an optical prism made from Schott N-BK7. Listed geometry: size 50.90×50.90+/-0.15mm, thickness 44.40+/-0.15mm, irregular shape. Typical applications: Scientific Research. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Schott N-BK7 |
|---|---|
| Type | Roof Prism |
| Shape | Irregular |
| Thickness | 44.40+/-0.15mm |
| Clear aperture | >90% |
| Application | Scientific Research |
| Usage | Beam Dispersion, Beam Split |
| Model NO. | Amici Roof Prism |
| Dimensions | 50.90×50.90+/-0.15mm |
| ROC1 | infinity |
| ROC2 | infinity |
| S1&S2&S3&S4 | PV<1/4L at 632.8nm |
| Angle tolerance | <30arcsec |
| Chamfer | <0.2mmx45deg |
| Standard | MIL-PRF-13830B |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Items | Description | |
| Roof Prism | Material: | Schott N-BK7 |
| Dimensions: | 50.90×50.90+/-0.15mm | |
| Thickness: | 44.40+/-0.15mm | |
| ROC1: | infinity | |
| ROC2: | infinity | |
| Flatness: | S1&S2&S3&S4:PV<1/4L at 632.8nm | |
| Surface quality: | S1&S2&S3&S4:60-40 | |
| Angle tolerance: | <30arcsec | |
| Clear aperture: | >90% | |
| Chamfer: | <0.2mmx45deg | |
| Standard: | MIL-PRF-13830B |
What to specify when you request a quote
- Material — listed as “Schott N-BK7”; name the glass or crystal.
- Geometry — listed as “50.90×50.90+/-0.15mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “<0.2mmx45deg”; state centration and edge chamfer.
- Coating — list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Design Guide for Holes, Slots, and Edges in Custom Glass Parts. A related standard product is AR-Coated High-Transparency Optical Glass.
