Product type: Glass Dome. Application: Lighting, Medical, Optical, Photography, Astronomy. Model: Sapphire dome.
Overview
Sapphire dome with laser AR coating for infrared use: a custom precision glass component made from Optical Glass. Listed geometry: diameter 156.0+/-0.1mm, dome shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality 40-20; flatness 5.0fr,PWR; 0.5fr,IRR. 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 | Glass Dome |
| Shape | Dome |
| Diameter | 156.0+/-0.1mm |
| Transmittance | >95% |
| Coating | HMC |
| Surface quality | 40-20 |
| Flatness | 5.0fr,PWR; 0.5fr,IRR |
| Clear Aperture | >97% |
| Usage | Lighting, Medical, Optical, Photography, Astronomy |
| Model NO. | Sapphire dome |
| Lenses Color | Clear |
| Specifications | Items |
| Central thickness | 4.0+/-0.1mm |
| Centerness | <1 arcmin |
| Standard | MIL-PRF-13830B |
| Supplier | CPG OPTICS LIMITED |
Technical data
| Items | Description | |
| Sapphire dome | Material: | Optical sapphire, C-axis |
| Diameter: | 156.0+/-0.1mm | |
| Central thickness: | 4.0+/-0.1mm | |
| Flatness: | 5.0fr,PWR; 0.5fr,IRR | |
| Surface quality: | 40-20 | |
| Centerness: | <1 arcmin | |
| Clear Aperture: | >97% | |
| Standard: | MIL-PRF-13830B |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or quartz grade.
- Outline and thickness — listed as “156.0+/-0.1mm”; give outline, thickness and tolerances.
- Holes, slots and features — listed as “Dome”; dimension every hole and its position tolerance on the drawing.
- Edges — state edge finish and chamfer.
- Surface — listed as “40-20”; state polish and flatness where they matter.
Engineering guides for this part
For material grades and coating options, see High-Purity Quartz Glass for Custom Machined Parts: Material & Coating Guide. How parts like this are machined and finished is covered in CNC Glass V-Groove Machining for LED and Optical Parts. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Choosing Glass Materials for Optical & Industrial Components. A related standard product is Custom Special-Shaped Glass Plate.
