Product type: Flat Lens. Application: Lighting, Medical. Model: SRY567.
Overview
Optical Al2O3 Sapphire Windows and Wafers Made in China is a sapphire / specialty wafer made from Sapphire. Listed geometry: single-lens shape. Optical / electrical data: bandwidth 3-50nm, transmittance >95%. Coating: HMC; surface quality 60-40; flatness 1/4 Lambda. Typical applications: Lighting and Medical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Sapphire |
|---|---|
| Type | Flat Lens |
| Shape | Single-lens |
| Fwhm | 3-50nm |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 60-40 |
| Flatness | 1/4 Lambda |
| Usage | Lighting, Medical |
| Model NO. | SRY567 |
| Tolerance | +/-0.05mm |
| Sunday Optics manufacture | Sapphire window, sapphire lens, sapphire light block,sapphire dome lens. |
| Supplier | Changchun Sunday Optics Co., Ltd. |
Technical data
| Diameter | 0.5mm to 300mm |
|---|---|
| Diameter Tol. | +/-0.02 |
| Material | Sapphire (Al2O3) |
| Surface Quality | 60-40 standard |
| Flatness | 1/4 lambda |
| Chamfer | 0.25mmx45degree |
| Coating | AR Coating is on request. |
What to specify when you request a quote
- Diameter and flat / notch — state diameter, flat or notch and their tolerances.
- Thickness and TTV — give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “60-40”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — listed as “1/4 Lambda”; quote flatness, bow and warp limits.
- Material grade — listed as “Sapphire”; name the grade (JGS1/JGS2, Borofloat 33, alkali-free, sapphire orientation).
Engineering guides for this part
For material grades and coating options, see Fused Quartz Wafer Substrate Selection: Materials & Coatings for Semiconductor and Optical Systems. How parts like this are machined and finished is covered in Glass Wafer Bonding for Microfluidic and MEMS Applications: Process Overview. 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 AR Anti-Reflection Optical Window.
