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Quick Details
-
Place of Origin:
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Zhejiang, China
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Brand Name:
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DTC
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Model Number:
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Sapphire crystal
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Application:
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OPTIS
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Product name:
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Sapphire Window
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Diameter:
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0.5-500mm
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Type:
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Optical Sapphire Windows
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Surface quality:
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60/40,80/50,40/20 etc
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Coating:
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Customer Request
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Certificate:
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ISO9001/RoHS/SGS
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Clear Aperture:
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Customer Request
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Flatness:
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Lambda/4
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Transmittance:
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85%-95%
Quick Details
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Use:
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Optical
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Structure:
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Plano-concave
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Shape:
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PLANO
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Place of Origin:
-
Zhejiang, China
-
Brand Name:
-
DTC
-
Model Number:
-
Sapphire crystal
-
Application:
-
OPTIS
-
Product name:
-
Sapphire Window
-
Diameter:
-
0.5-500mm
-
Type:
-
Optical Sapphire Windows
-
Surface quality:
-
60/40,80/50,40/20 etc
-
Coating:
-
Customer Request
-
Certificate:
-
ISO9001/RoHS/SGS
-
Clear Aperture:
-
Customer Request
-
Flatness:
-
Lambda/4
-
Transmittance:
-
85%-95%
Customized Circular Rectangular Step Sapphire Window Uncoated and AR Coated Optical Sapphire Windows
Product Description
| Transmission Range | 0.17 to 5.5 μm |
| Refractive Index | No 1.75449; Ne 1.74663 at 1.06 μm (1) |
| Reflection Loss | 14% at 1.06 μm |
| Absorption Coefficient | 0.3 x 10 -3 cm -1 at 2.4 μm (2) |
| Reststrahlen Peak | 13.5 μm |
| dn/dT | 13.1 x 10 -6 at 0.546 μm (3) |
| dn/dμ = 0 | 1.5 μm |
| Density | 3.97 g/cc |
| Melting Point | 2040°C |
| Thermal Conductivity | 27.21 W m-1 K-1 at 300K |
| Thermal Expansion | 5.6 (para) & 5.0 (perp) x 10-6/K * |
| Hardness | Knoop 2000 with 2000g indenter |
| Specific Heat Capacity | 763 J Kg-1 K-1 at 293K (4) |
| Dielectric Constant | 11.5 (para) 9.4 (perp) at 1MHz |
| Youngs Modulus (E) | 335 GPa |
| Shear Modulus (G) | 148.1 GPa |
| Bulk Modulus (K) | 240 GPa |
| Elastic Coefficients | C11=496 C12=164 C13=115 C33=498 C44=148 |
| Apparent Elastic Limit | 300 MPa (45,000 psi) |
| Poisson Ratio | 0.25 |
| Solubility | 98 x 10 -6 g/100g water |
| Molecular Weight | 101.96 |
| Class/Structure | Trigonal (hex), R3c |
| Materials | Sapphire crystals |
| Diameter Range | 1~ 250mm |
| Aperture | >90% |
| Dimension tolerance | +0.0/-0.2mm |
| Thickness tolerance | +/-0.2mm |
| Surface Quality | 60/40 S/D |
| Parallelism | 1 arc minute |
| Chamfer | 0.3-0.5mmx45degree |
| Coating | No coating or Coating as demand |
| Applications | Markets |
| Sensor and Detector Windows | |
| Laser Windows | Medical Systems, Industrial, Defense |
| Viewports | |
| Lenses, Optics and Domes | |
| Pressure windows |
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