Application: Medical, Astronomy. Model: OAP mirror.
Overview
50deg Protected Siver Coating Optical OAP off-Axis Parabolic Metal Mirror: an optical mirror made from Aluminum. Listed geometry: diameter 76.2+0.0/-0.3mm, off-axis parabolic metal mirror shape. Coating: protected silver. Listed for Medical 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 | Aluminum |
|---|---|
| Shape | off-Axis Parabolic Metal Mirror |
| Diameter | 76.2+0.0/-0.3mm |
| Clear aperture | >80% |
| Application | Medical, Astronomy |
| Model NO. | OAP mirror |
| Off-axis angle | 50deg |
| Parent focal length | 200mm+/-1% |
| Surface roughness,Angstroms | <100 RMS |
| Chamfer | protected |
| Coatings | protected silver |
| Supplier | CPG OPTICS LIMITED |
What to specify when you request a quote
- Material — listed as “Aluminum”; name the glass or crystal.
- Geometry — listed as “76.2+0.0/-0.3mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “<100 RMS”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “protected”; state centration and edge chamfer.
- Coating — listed as “protected silver”; 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 Laser Glass Machining for Precision Micro Features. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Technical Guide to Glass Thickness and Flatness Requirements. A related standard product is Laser Beam Splitter Glass Sheet.
