Product type: Wedge. Application: Test. Model: STF9v.
Overview
2 Degree Wedge Prism Bk7 K9 Silicon Germanium Glass: an optical prism made from Glass. Listed geometry: pentagonal prism shape. Surface quality 20-10; flatness 1/10 Lambda. It is used in Digital Device. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass |
|---|---|
| Type | Wedge |
| Shape | Pentagonal Prism |
| Surface Quality | 20-10 |
| Flatness | 1/10 Lambda |
| Application | Digital Device |
| Usage | Test |
| Model NO. | STF9v |
| Tolereance | +0.00/-0.002mm |
| Angle Tol | <0.2 Seonds |
| Supplier | Changchun Sunday Optics Co., Ltd. |
What to specify when you request a quote
- Material — listed as “Glass”; name the glass or crystal.
- Geometry — listed as “<0.2 Seonds”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “20-10”; quote surface figure (λ) and scratch-dig.
- Centring and edges — 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 Infrared Window Glass: Material Options for Optical Sensors & Parts. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read Infrared Window Glass for Smart Home Appliance Sensors. Before sending a drawing, check Design Guide for Holes, Slots, and Edges in Custom Glass Parts. A related standard product is Infrared Windows.


