Product type: Penta Angle. Application: Test. Model: STF59.
Overview
UV Fused Silica Half Penta Angle Prism with Coating is an optical prism made from Glass. Listed geometry: pentagonal prism shape. Surface quality 20-10; flatness 1/10 Lambda. Typical applications: 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 | Penta Angle |
| Shape | Pentagonal Prism |
| Surface Quality | 20-10 |
| Flatness | 1/10 Lambda |
| Application | Digital Device |
| Usage | Test |
| Model NO. | STF59 |
| Tolereance | +0.00/-0.002mm |
| Angle Tol | <0.2 Seonds |
| Supplier | Changchun Sunday Optics Co., Ltd. |
Technical data
| Material | BK7, UV Fused Silica,Sapphire, ZnSe,Caf2,Si,Ge,etc. |
|---|---|
| Size | 3mm-380mm |
| Size tolerance | +/-0.02mm or customer request |
| Clear Aperture | >90% |
| S/D | 60-40 40-20 20/10 10/5 |
| Flatness | 1/10lambda at 632.80nm |
| Chamfer | 0.25mmx45° |
| Angle tolerance | <2''<3''<30''<1'<3' |
| Coating | AR, HR, Aluminum, Silver or customer request. |
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 Fused Silica Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. Before sending a drawing, check Design Guide for Holes, Slots, and Edges in Custom Glass Parts. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).
