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Sapphire is an ideal window material. It has excellent transmittance from the ultraviolet to the mid-infrared, it exhibits high thermal conductivity, and it has very high surface hardness, making it more resistant to scratches than BK7 or fused silica.
Non-coated and AR coated products are available.
 Standard Specifications:
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Optical Material:
Orientation:
Diameter Tolerance:
Thickness Tolerance:
Clear Aperture:
Parallelism:
Surface Quality:
Wavefront Distortion:
Bevel:
Coating: |
Sapphire Uniaxial Crystal(Al2O3)
Random
+0.0, -0.1mm
± 0.2mm
>85%
see the table
80-50 scratch and dig
see the table
<0.25mm X 45°
available upon request |
Standard Sapphire Windows
Dia(mm) |
T(mm) |
Wavefront Distortion |
Product Number |
Parallelism 1 arc min |
10.0 |
0.5 |
Lambda/2 |
UQT-WDFH1001 |
12.7 |
0.9 |
Lambda/2 |
UQT-WDFH1002 |
25.0 |
1.0 |
Lambda/2 |
UQT-WDFH1003 |
25.4 |
2.0 |
Lambda/2 |
UQT-WDFH1004 |
30.0 |
1.2 |
Lambda |
UQT-WDFH1005 |
50.0 |
3.0 |
Lambda |
UQT-WDFH1006 |
Parallelism 3 arc min |
10.0 |
0.5 |
Lambda |
UQT-WDFL1101 |
12.7 |
0.9 |
Lambda |
UQT-WDFL1102 |
15.0 |
1.0 |
Lambda |
UQT-WDFL1103 |
15.0 |
1.5 |
Lambda |
UQT-WDFL1104 |
25.0 |
2.0 |
Lambda |
UQT-WDFL1105 |
25.4 |
3.0 |
Lambda |
UQT-WDFL1106 |
30.0 |
1.2 |
2 Lambda |
UQT-WDFL1107 |
50.0 |
2.0 |
2 Lambda |
UQT-WDFL1108 |
50.8 |
2.5 |
2 Lambda |
UQT-WDFL1109 |
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| Please Contact ultiQuest for other dimensions in prototype and production quantities. |
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| NOTES! |
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Sapphire transmits ultraviolet light, but sometimes exhibit fluorescence when subjected to powerful ultraviolet sources. For this reason, they are best suited for use with visible to infrared wavelengths. |
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Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. |
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