| Name: | Sapphire Protective Windows |
| Diameter: | From 1 mm To 305 mm in any optical axis |
| Thickness: | From 0.2mm up to 50mm |
| Flatness: | Can Be λ/10 @633nm or better |
| Parallelism: | Can Be as tight as 1 arc second |
| Surface Quality: | S/D 80/60~20/10 per MIL-PRT-13830 |
| Materials: | Optical Grade Synthetic Sapphire Ky Method |
| MOQ: | Depends On Size And Grade,Contact us |
| Lead Time: | In Stock 1~5days Customize in 40days |
| Coating: | Band Pass, Cut off, AR |
| Chamfer: | As Request Angle or Radius |
Product Description
.Sapphire Protective Windows:
We can supply various standard sapphire windows From Common usages to High Precision Windows, Please let us know your applications if you don't know which standard you should choose.
Main use of sapphire protective windows: Isolate two different environment, Only allow light pass.
Typical Precision Sapphire Windows Specifications:
| Normal | High | Very High | |
| Tolerance | ±0.1mm | ±0.05mm | ±0.01mm |
| Surface Quality | S/D 60/40 | S/D 40/20 | S/D 20/10 |
| Surface Flatness | λ/2 @ 633nm | λ/8 @ 633nm | λ/20 @ 633nm |
| Orientations | ±5° | ±1° | ±0.5° |
.Why Use Sapphire?
1.Excellent Moh's Hardness Upto 9H, Only Softer Than Diamond(10H), (Optical Glass 6~7)
2.Great Transmittance From 200nm~5000nm; AVG>85% @ Visible Light Freqency
3.No Attacked By Acid Or Alkalis, Only Attacked By HF At 300℃.
4.High Softening Point, Low Thermal Expansion.
5.Excellent Mechnical Properties.
We can also supply coating jobs, typical coating: AR/ Band Pass/ Cut off.
.Typical Applications：
1.Gas & Air Analyzers/Monitors,UV & IR Detectors;
2.Endoscopes
3.High Intensity Lamps
4.Bar Code Readers
5.View Ports
