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Birefringent filters are used in laser resonators to tune the laser wavelength. They consist of one or more plano-parallel quartz plates whose optic axis is parallel to the plane surface. These birefringent filters are supplied uncoated.
 Standard Specifications:
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Optical Material:
Diameter Tolerance:
Thickness Tolerance:
Parallelism:
Clear Aperture:
Surface Quality:
Wavefront Distortion:
Bevel:
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High quality Crystal Quartz
+0.0, -0.15mm
±0.02mm
5 arc seconds
>85%
20-10 scratch and dig
lambda/2 per 25mm
<0.25mm X 45°
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Standard Birefringent Filters:
Diameter (mm) |
Thickness (mm) |
Product Number |
10.0 |
0.5 |
UQT-BFFC0101 |
10.0 |
1.0 |
UQT-BFFC0102 |
10.0 |
1.5 |
UQT-BFFC0103 |
10.0 |
2.0 |
UQT-BFFC0104 |
10.0 |
3.0 |
UQT-BFFC0105 |
10.0 |
4.0 |
UQT-BFFC0106 |
10.0 |
5.0 |
UQT-BFFC0107 |
15.0 |
0.5 |
UQT-BFFC0108 |
15.0 |
1.0 |
UQT-BFFC0109 |
15.0 |
1.5 |
UQT-BFFC0110 |
15.0 |
2.0 |
UQT-BFFC0111 |
15.0 |
3.0 |
UQT-BFFC0112 |
15.0 |
4.0 |
UQT-BFFC0113 |
15.0 |
5.0 |
UQT-BFFC0114 |
20.0 |
0.5 |
UQT-BFFC0115 |
20.0 |
1.0 |
UQT-BFFC0116 |
20.0 |
1.5 |
UQT-BFFC0117 |
20.0 |
2.0 |
UQT-BFFC0118 |
20.0 |
3.0 |
UQT-BFFC0119 |
20.0 |
4.0 |
UQT-BFFC0120 |
20.0 |
5.0 |
UQT-BFFC0121 |
25.4 |
0.5 |
UQT-BFFC0122 |
25.4 |
1.0 |
UQT-BFFC0123 |
25.4 |
1.5 |
UQT-BFFC0124 |
25.4 |
2.0 |
UQT-BFFC0125 |
25.4 |
3.0 |
UQT-BFFC0126 |
25.4 |
4.0 |
UQT-BFFC0127 |
25.4 |
5.0 |
UQT-BFFC0128 |
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| Please Contact ultiQuest for other dimensions in prototype and production quantities. |
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| NOTES! |
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Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. |
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