Model: Optical Glass.
Overview
High Precision Optical Glass Sheet for Optical Instrument Application: a precision glass plate / sheet made from Optical Glass. Listed geometry: thickness Custom Thickness Upon Requirement. Optical / electrical data: transmittance ≥ 90% (Visible). Temperature High (300~600℃). Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Thickness | Custom Thickness Upon Requirement |
| Transmittance | ≥ 90% (Visible) |
| Model NO. | Optical Glass |
| Operating Temperature | High (300~600℃) |
| Chemical Stability | Alkali Resistance (Class 1) |
| Surface Figure Accuracy | λ/10 |
| Product Type | Optical Lens |
| Standard Size | Custom Diameter Available |
| Edge Treatment | Polished Edge |
| Processed Shape | Lens |
| Circular | Diameter 1mm – Diameter 500mm |
| Square/Rectangle | 1 * 1mm-800 * 800mm |
| Visible Light | ≥90%,≥92%,≥95%,≥98% |
| Ra | ≤0.5nm,≤1nm |
| Supplier | Shanghai Wuyong Glass Co., Ltd. |
Technical data
| Basic Size Specifications | |
|---|---|
| Shape | Circular/Square/Rectangular/Irregular Shapes |
| Size Range | Circular: Diameter 1mm – Diameter 500mmSquare/Rectangle: 1 * 1mm-800 * 800mm |
| Thickness | 0.1mm-50mm |
| Dimensional Tolerance | +-0.1mm |
| Thickness Tolerance | +-0.05mm-0.1mm |
| Material Model | N-BK7/H-K9L |
| Performance Parameters | |
|---|---|
| Refractive Index | 1.46-1.9 |
| Transmittance | Visible Light: ≥90%,≥92%,≥95%,≥98% |
| Ultraviolet UV | 200nm-400nm High Transparency |
| Infrared IR | 800nm-3000nm High Transparency |
| Wavelength Range | 200nm-5000nm |
| Surface Finish | 40/20,20/10,10/5(MIL-O-13830A) |
| Polishing Precision | Double Sided Polishing/Single-Sided Polishing |
| Surface Roughness | Ra:≤0.5nm,≤1nm |
| Angle | Customized |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or quartz grade.
- Outline and thickness — listed as “Custom Thickness Upon Requirement”; give outline, thickness and tolerances.
- Holes, slots and features — listed as “Lens”; dimension every hole and its position tolerance on the drawing.
- Edges — listed as “Polished Edge”; state edge finish and chamfer.
- Surface — listed as “λ/10”; state polish and flatness where they matter.
Engineering guides for this part
For material grades and coating options, see Custom Borosilicate Glass Sheets Cut to Size: Precision and Performance. How parts like this are machined and finished is covered in Glass Wafer Cutting, Dicing, and Coring: Precision Manufacturing Process. For an application example, read Custom Ultra-Thin Glass Discs for Appliance Sensor Assemblies. A related standard product is Custom LED Package Glass Cover Plate.
