Product type: Laser Mirror. Application: Medical, Optical. Model: yt385.
Overview
The Fused Silica Corning 7980 Optical Grade with Hole Windows Lens is supplied as an optical lens made from Customized. Listed geometry: diameter Custmized, thickness 1.5mm or Customized, single-lens shape. Optical / electrical data: transmittance 90%-95%. Coating: HC; surface quality 60/40, 40/20 or Better; flatness L/4. Typical applications: Medical and Optical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Customized |
|---|---|
| Type | Laser Mirror |
| Shape | Single-lens |
| Diameter | Custmized |
| Thickness | 1.5mm or Customized |
| Transmittance | 90%-95% |
| Coating | HC |
| Surface Quality | 60/40, 40/20 or Better |
| Flatness | L/4 |
| Parallelism | <5 Arcsec |
| Usage | Medical, Optical |
| Model NO. | yt385 |
| Lenses Color | as Picture |
| Diameter Tolerance | +/-0.01 mm |
| Thickness Tolerance | +/-0.01mm |
| Transmission | >85% |
| Supplier | Changchun Yutai Optics Co., Ltd. |
What to specify when you request a quote
- Material — listed as “Customized”; name the glass or crystal.
- Geometry — listed as “Custmized”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “60/40, 40/20 or Better”; 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 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 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 Fused Silica Glass Wafers (2–12", JGS1/JGS2).
