Product type: Flat Lens. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: OL-261.
Overview
The Customized Optical Windows: Bk7/K9/Jgs1/Jgs2/Jgs3 & UV Fused Silica Ground Glass Diffusers Lens is supplied as an optical lens in Optical Glass (Bk7, Quartz, Infrared, Sapphire, Ge, Si, Znse, Caf substrate). Listed geometry: diameter 1.5-300mm, size Custom, single-lens shape. Optical / electrical data: transmittance >95%. Coating: Custom as Per Demand. It is used in Lighting, Medical, Optical, Photography and Laser. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Substrate | Bk7, Quartz, Infrared, Sapphire, Ge, Si, Znse, Caf |
| Type | Flat Lens |
| Shape | Single-lens |
| Diameter | 1.5-300mm |
| Size | Custom |
| Transmittance | >95% |
| Coating | Custom as Per Demand |
| Usage | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc |
| Model NO. | OL-261 |
| Lenses Color | Clear |
| Product Name | Optical Lens |
| What we offer | 1) Good quality control |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Material | N-BK7, UV grade fused silica, JGS1, LasfN9, N-SF11, Sapphite, silicon, and other IR glasses |
|---|---|
| Diameter range | From 1.5mm to 800mm |
| Tolerance | 0.02mm |
| Thickness tolerance | 0.02mm |
| Surface quality | 40/20 |
| Irregularity | Lambda/4 or Lambda/2 |
| Chamfer | Preotective chamfer |
| Coating | Uncoated or AR coated for visible or UV or infrared wavelength, R<0.5% |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “1.5-300mm”; 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 — listed as “Custom as Per Demand”; 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 Optical Glass Polishing for High Clarity Surfaces. For an application example, read How to Handle and Maintain Precision Glass Components in Laser Systems. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is 2× 100 mm JGS1 & JGS2 Quartz Glass Sheets.
