Why choose Sapphire?
One of the hardest materials available
Superior IR & UV transmission compared to other optical materials
Highly scratch & abradant resistant
Highly chemical resistant
Maximum temperature rating of almost 2000℃
Excellent dielectric & loss tangent performance
Properties of Single Crystal Sapphire:
| Chemical formula | Al₂O₃ |
| Purity | 99.999% |
| Crystal structure | Hexagonal |
| Density | 3.98g/cm³ |
| Hardness Mohs | 9 |
| Fusion point | 2045℃ |
| Boiling point | 2980℃ |
| Coefficient of Thermal Expansion | 5.8×10 -6 /K |
| Specific heat | 0.418W.s/g/k |
| Thermal conduction | 25.12W/m/k(@100°C) |
| Refractive index | no=1.768 ne=1.760 |
| dn/dt | 13×10-6/K(@633nm) |
| Transmission | T≈80%(0.3-5μm) |
| Permittivity | 11.5(//c), 9.3(⊥c) |
Fields of Application for the Optical Sapphire Window:
-Scanner
-Watch glasses
-Semiconductor applications (e.g. wafers)
-Cell phones (displays and display protection)
-Infrared-/ and UV-applications (e.g. sensors, monitoring systems, thermal cameras)
-Medical devices (e.g. endoscope windows, scalpels and laser surgery, light guides in dermatology)
Military applications (e.g. night vision devices and cameras, satellite and space technology, control systems)
FAQ
Q:What is your minimum order requirement?
A:MOQ: 10 pieces
Q:How long will it take to execute my order?
A:10-25 days after confirming the payment.
Q:Can you give warranty of your products?
A:We promise the quality, if the quality has any problems, we will produce new produces or return you money.
Q:How to pay?
A:T/T, Paypal, West Union,etc.
Q:Can you produce custom optics?
A:Yes, we can produce custom optics