Sapphire is a single crystal aluminum oxide (Al2O3),is renowned for its exceptional optical properties and wide range of applications in various industries. Sapphire's remarkable attributes, such as high hardness, excellent optical transparency, chemical stability, and thermal conductivity, make it an ideal material for optical components in demanding environments
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) |
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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:Do you provide free samples?
A:We can provide free samples if we have stock optics as your request,but the freight is yours.
Q:What is your terms of payment?
A:T/T, Western Union ,Paypal