Product type: Bi-Convex Lenses. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: RAY-LH257#.
Overview
High-Quality Fused Silica Lens for Superior Image Clarity is an optical lens in Optical Glass (UV Fused Silica substrate). Listed geometry: single-lens shape. Optical / electrical data: transmittance Central 90% of Diameter. Coating: Ar.14, Ar.16, Ar.18, Ar.33 Coated; surface quality 20-10 Scratch-Dig or Custom Manufacturing; flatness Lambda/8 or Custom Manufacturing. 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 | UV Fused Silica |
| Type | Bi-Convex Lenses |
| Shape | Single-lens |
| Transmittance | Central 90% of Diameter |
| Coating | Ar.14, Ar.16, Ar.18, Ar.33 Coated |
| Surface Quality | 20-10 Scratch-Dig or Custom Manufacturing |
| Usage | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc |
| Model NO. | RAY-LH257# |
| Lenses Color | Clear |
| Surface Flatness | Lambda/8 or Custom Manufacturing |
| Effective Focal Length(Efl) | From +12.7mm to +1000mm |
| Surface Accuracy, Irregularity | Lambda/8 or Custom Manufacturing |
| Products Name | UV Fused Silica Bi-Convex Lenses |
| Lens Substrates | UV FUSED SILICA |
| Optional I | UV FUSED SILICA |
| Optional II | Equivalent UV FUSED SILICA |
| Coating Code | Coating Type |
| Applying Fields I | Relay imaging (physical and real) |
| Applying Fields II | Laser beam expansion |
| Main Characters | 1).UV grade fused silica substrates |
| Main Optical Tech Specification | Tech Data |
| Popular Physical Size Specification | Size |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
Technical data
| Optional I: | UV FUSED SILICAfrom CORNING, OHARA, LEONI, AGC,HELLMA, ,VITRON,ETC |
|---|---|
| Optional II: | Equivalent UV FUSED SILICAMade in China, C-laser own brands |
| Coating Code: | Coating Type | Wavelength Range |
| AR.14 | Visible Multilayer | 430-700 nm |
| AR.16 | NIR Multilayer | 650-1000 nm |
| AR.18 | IR Multilayer | 1000-1550 nm |
| AR.33 | Laser Line V-Coat Multilayer | 1064 nm |
| – | Uncoated | – |
| Applying Fields I: | Relay imaging (physical and real)Focused divergent beamConverging beamBeam expander lensImaging lensFocusing lens and other optical lens |
|---|---|
| Applying Fields II: | Laser beam expansionOptical readerObserverProjection system |
| ***** |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “From +12.7mm to +1000mm”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “20-10 Scratch-Dig or Custom Manufacturing”; quote surface figure (λ) and scratch-dig.
- Centring and edges — state centration and edge chamfer.
- Coating — listed as “Ar.14, Ar.16, Ar.18, Ar.33 Coated”; 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 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.


