Product type: Optical Windows. Application: Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc. Model: OW-0071.
Overview
Round Sapphire Watch Windows 26mm Optical Watch Cover Glass Material Circle Sapphire Glass is a custom precision glass component in Optical Glass (Sappire substrate). Listed geometry: thickness 2-3.2mm or Custom Manufacturing, single-lens shape. Optical / electrical data: wavelength 150-5000nm, transmittance >95%. Supplied uncoated; surface quality 40-20 Scratch-Dig or Custom Manufacturing. Listed for Lighting, Medical, Optical, Photography and Laser 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 |
|---|---|
| Substrate | Sappire |
| Type | Optical Windows |
| Shape | Single-lens |
| Thickness | 2-3.2mm or Custom Manufacturing |
| Wavelength Range | 150-5000nm |
| Transmittance | >95% |
| Coating | Uncoating |
| Surface Quality | 40-20 Scratch-Dig or Custom Manufacturing |
| Usage | Lighting, Medical, Optical, Photography, Laser, Astronomy, Imaging, Detection, etc |
| Model NO. | OW-0071 |
| Lenses Color | Clear |
| Main Characteristics | Sapphire, Sapphire windows,Sapphire materials, Sapphire optical materials |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Items | Value | Value |
| Tensile strength | 40,000 – 60,000 psi (design criterion) | 0.27 – 0.41 GPa |
| Flexural strength | 70,000 -130,000 psi (design criterion) | 0.48 – 0.89 GPa |
| Young's Modulus, E (25 °C)(Modulus of Elasticity) | 50 x 106 psi | 345 GPa |
| Compressive Modulus, K | 55 x 106 psi | 379 GPa |
| Flexural Modulus (Modulus of Rupture) | 52 x 106 psi | 358 GPa |
| Shear Modulus, G (Modulus of Rigidity) | 21.5 x 106 psi | 148 GPa |
| Bulk Modulus, k (Volumetric Modulus of Elasticity) Poisson's Ratio | 35 x 106 psi0.29 | 241 GPa |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or quartz grade.
- Outline and thickness — listed as “2-3.2mm or Custom Manufacturing”; give outline, thickness and tolerances.
- Holes, slots and features — listed as “Single-lens”; dimension every hole and its position tolerance on the drawing.
- Edges — state edge finish and chamfer.
- Surface — listed as “40-20 Scratch-Dig or Custom Manufacturing”; state polish and flatness where they matter.
Engineering guides for this part
For material grades and coating options, see High-Purity Quartz Glass for Custom Machined Parts: Material & Coating Guide. How parts like this are machined and finished is covered in Custom Special-Shaped Glass Machining: Boosting B2B Output & Quality. For an application example, read Quartz Glass Windows for High-Temperature Appliance Modules. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is Custom Special-Shaped Glass Plate.
