Product type: Triangle Prisms. Application: Medical Instrument. Model: yt709.
Overview
Custom Optical Glass Bk7 Fused Silica Dach Roof Prism: an optical prism made from Bk7. Listed geometry: triangle prisms shape. Surface quality <40/20 scratch & dig. It is used in Medical Instrument. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Bk7 |
|---|---|
| Type | Triangle Prisms |
| Shape | Triangle Prisms |
| Surface Quality | <40/20 scratch & dig |
| Clear Aperture | ≥85% |
| Application | Medical Instrument |
| Usage | Beam Dispersion |
| Model NO. | yt709 |
| Color | Transparent |
| Polished | Yes |
| Dimension Tolerance | ±0.1mm |
| Roof angle | See following product tables |
| Angle Tolerance | <1 arc min |
| Bevel | 0.3mmx45° |
| Supplier | Changchun Yutai Optics Co., Ltd. |
What to specify when you request a quote
- Material — listed as “Bk7”; name the glass or crystal.
- Geometry — listed as “±0.1mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “<40/20 scratch & dig”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “0.3mmx45°”; 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 and Quartz Glass: Selecting Materials for Precision Components. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).
