Application: Medical, Optical. Model: yt378.
Overview
The UV-Grade Fused Silica (UVFS) /Jgs1/Jgs2/Jgs3/Corning 7980 Glass Blank for Optical Lens Window is supplied as an optical lens in Optical Glass (UV-Grade Fused Silica substrate). Listed geometry: diameter 1-250mm, thickness 0.5-50mm. Optical / electrical data: transmittance >95%. Coating: HC. It is used in for Optical Window and Lens. 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-Grade Fused Silica |
| Diameter | 1-250mm |
| Thickness | 0.5-50mm |
| Transmittance | >95% |
| Coating | HC |
| Application | for Optical Window/Lens |
| Usage | Medical, Optical |
| Model NO. | yt378 |
| Lenses Color | Clear |
| Diameter Tolerance | +0/-0.2mm |
| Thickness Tolerance | +0.0 / -0.1 mm |
| Color | Matte |
| Polished | No |
| materials comparison | Material |
| Supplier | Changchun Yutai Optics Co., Ltd. |
Technical data
| Material | UV-Grade Fused Silica or other optical glass |
|---|---|
| Diameter | 1-250mm |
| Thickness | 0.5-50mm |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or crystal.
- Geometry — listed as “1-250mm”; 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 “HC”; list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see How to Use and Maintain JGS2 Quartz Glass for Optical Windows and Custom Parts. 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 Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is 2× 100 mm JGS1 & JGS2 Quartz Glass Sheets.


