Product type: Optical Glass Window. Application: Lighting, Medical, Optical, Photography.
Overview
20-50mm Flat Protective Window Optical Lens Sapphire Glass Optical Window for Projector: an optical lens made from Glass. Listed geometry: thickness Customized. Optical / electrical data: wavelength 355-1064nm. It is used in Lighting, Medical, Optical and Photography. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass |
|---|---|
| Type | Optical Glass Window |
| Shape | Customized |
| Cwl | 355-1064nm |
| Usage | Lighting, Medical, Optical, Photography |
| Thickness Range | Customized |
| Color | Transparent |
| Principle | Cut-off Filter |
| Angle of incidence | 45° |
| Name | Optical Window |
| Key | Optical Glass Window |
| Thickness Tolerance | ±0.1mm |
| Use | Optical and Photographic Instrument |
| Supplier | Shanghai Jingsheng Optoelectronics Technology Co., Ltd |
Technical data
| Name | Optical windows |
|---|---|
| Material | optical glass, UVF, Sapphire etc. |
| Diameter | 0.2-300mm |
| Thickness | 0.5-5mm |
| Dimension tolerance | +/-0.1mm or +/-0.02mm |
| Surface quality | 40/20 ~ 80/50 or Better |
| Clear aperture | >85%, >90% |
| Surface accuracy | λ/10 λ/2 |
| Bevel | 0.1~0.3mm x 45 degree |
| Coating | AR or Custom |
What to specify when you request a quote
- Material — listed as “Glass”; name the glass or crystal.
- Geometry — listed as “45°”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — 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 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 Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is AR Anti-Reflection Optical Window.


