Product type: Concave Lens. Model: RAYTEK-OL-0001#.
Overview
The High Precision Bk7 Optical Glass Concave Mirror for Enhanced Reflectivity is supplied as an optical mirror made from Optical Glass. Optical / electrical data: wavelength 488-694 Nm/700-950nm, transmittance >95%. Coating: Dielectric Coating; surface quality 40-20 Scratch-Dig or Custom Manufacturing; flatness Lambda/10 at 632.8nm with Power Removed. 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 | Concave Lens |
| Shape | Customized |
| Wavelength Range | 488-694 Nm/700-950nm |
| Transmittance | >95% |
| Surface Quality | 40-20 Scratch-Dig or Custom Manufacturing |
| Model NO. | RAYTEK-OL-0001# |
| Lenses Color | Clear |
| Surface Flatness | Lambda/10 at 632.8nm with Power Removed |
| Coating Type | Dielectric Coating |
| A. Use concave mirrors to condense light | solar cooker. |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “40-20 Scratch-Dig or Custom Manufacturing”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Dielectric 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 Laser Assisted Glass Cutting for Tight Tolerance Parts. 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.
