| After-sales Service: | After-Sale Service |
|---|---|
| Warranty: | 12 |
| Usage: | Optical |
|
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Calcium fluoride shows good optical and thermo-mechanical properties. It is widely used as optical windows, lenses and prisms in 0.13μm~9.0μm. For its optical isotropy, low absorption and low refractive index. CaF2 has found unique advantages in high power laser and UV laser optics.
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Main Properties and Performance |
|
|
Transmission range (μm) |
0.13~9.0 |
|
Transmittance |
>90% (0.3~7μm,3mm) |
|
Refractivity(5μm) |
1.39908 |
|
Expansion Coefficient (°C-1) |
18.85×10-6 |
|
Knoop hardness (kg/mm2) |
158.3(100) |
|
Elastic Coefficients |
C11=164;C12=53;C44=33.7 |
|
Young's modulus (GPa) |
75.79 |
|
Poisson's ratio |
0.28 |
|
Solubility (g/100gH2O·20°C) |
0.0017 |
|
Cleavage plane |
(111) |
|
Density(g/cm3) |
3.18 |
|
Melting Point(°C) |
1360 |
| The Specifications of Fluoride Optical Crystals | ||||
| Material | LiF | CaF2 | MgF2 | BaF2 |
| Largest Size/mm | Φ 180 | Φ 300 | Φ 150 | Φ 180 |
| Transmission Range/μm | 0.11-7.00 | 0.13-9.00 | 0.11-7.50 | 0.15-12.50 |
| Refraction Index | 1.3943/0.5um | 1.39908/5μm | n0=1.37608 ne=1.38771(0.7um) | 1.4626(2.58um) |
| Reflection Loss | 5.3%(both faces/0.5um) | 5.6%/4μm | 5.2%(both faces/0.6um) | 6.8%(both faces/0.6um) |
| Expansion Ciefficeient/) | 18.85×10-6 | 13.7(Iic),8.9(⊥c) | 18.1×10-6 | |
| Thermal Conductivity/Wk-1K-1 | 11.3/314K | 9.71 | 0.3/300K | 11.72/286K |
| Knoop Hardness/kg·mm-2 | 99.1(100) | 158.3(100) | 415 | 82 with 500g indenter |
| Elastic Coefficients | C11=97.4 C12=40.4 C44=55.4 | C11=164 C12=53 C44=33.7 | C11=104.2 C12=9.5 C44=56.8 | C11=90.4 C12=40.6 C44=25.3 |
| Young Modulus/Gpa | 64.79 | 75.79 | 169.1 79.7 | 56.4 |
| Solubility/g | 0.27 | 0.0017 | 0.0002 | 0.0017 |
| Cleavage Plane | (100) | (111) | (111) | |
| Density/g/cm³ | 2.639 | 3.18 | 3.18 | 4.89 |
| Melting Point | 870 | 1360 | 1255 | 1280 |
| Application | vacuum ultraviolet, ultraviolet, visible light and infrared light devices, Elements Of X Ray Diffraction, etc. | optical windows, lenses and prisms, high power laser field, ultraviolet laser optics field, etc. | optical windows, lenses and prisms, ultraviolet and infrared light optical systems, polarized optical devices, etc. | ultraviolet, infrared optical windows, high energy physics field, nuclear physics and nuclear medicine fields, etc. |
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FAQ:
Q: What's the way of shipping and cost?
A:(1) We accept DHL, Fedex, TNT, UPS, EMS etc.
(2) If you have your own express account, it's great.If not,we could help you ship them.
Q: How to pay?
A: T/T, Paypal, etc
Q: What's your MOQ?
A: (1) For inventory, the MOQ is 5pcs.
(2) For customized products, the MOQ is 10pcs-25pcs.
Q: What's the delivery time?
A: (1) For the standard products
For inventory: the delivery is 5 workdays after you place the order.
For customized products: the delivery is 2 or 3 weeks after you place the order.
(2) For the special-shaped products, the delivery is 4 or 6 workweeks after you place the order.
Q: Do you have standard products?
A: Our standard products in stock.
Q: Can I customize the products based on my need?
A: Yes, we can customize the material, specifications and optical coating for your optical components based on your needs.
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