Product type: Diffractive Fresnel Lens. Application: Lighting, Medical, Optical, Photography. Model: OL-0246.
Overview
The Custom Optical Glass Fresnel Lens Anti-Reflective Coating150mm/175mm/200mm/250mm/300mm is supplied as an optical lens made from Optical Glass. Optical / electrical data: wavelength 488-694 Nm/700-950nm, transmittance >95%. Coating: Custom as Per Demand; surface quality 40-20 Scratch-Dig or Custom Manufacturing; flatness Lambda/10 at 632.8nm with Power Removed. Listed for Lighting, Medical, Optical and Photography 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 | Diffractive Fresnel Lens |
| Shape | Customized |
| Wavelength Range | 488-694 Nm/700-950nm |
| Transmittance | >95% |
| Coating | Custom as Per Demand |
| Surface Quality | 40-20 Scratch-Dig or Custom Manufacturing |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | OL-0246 |
| Lenses Color | Clear |
| Surface Flatness | Lambda/10 at 632.8nm with Power Removed |
| Coating Type | Dielectric Coating |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Product Name | Fresnel Lens |
|---|---|
| Material | K9/BK7/Optical glass |
| Application | Optical equipment |
| size | customization |
| Place of Origin | China |
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 “Custom as Per Demand”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see AR-Coated Glass Materials for High-Transmission Optical Parts. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is AR-Coated High-Transparency Optical Glass.
