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Right Angle prisms are used to direct a beam of light at 90 degrees from the incident. They may also be used to retroreflect a beam.
For collimated beams, the index of refraction for BK7 is sufficient to guarantee TIR (total internal reflection) at the hypotenuse for wavelengths in the visible and near infrared regions as long as the light is normally incident to the entrance aperture, and the hypotenuse is kept clean.
A prism with an aluminized hypotenuse is recommended for applications where the prism is frequently handled, or where convergent or divergent beams are used.
A wide variety of antireflection coatings may be used on the entry faces of the Right Angle prism to reduce reflection loss.
 Standard Specifications:
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Optical Material:
Dimension Tolerance:
Clear Aperture:
Angle Tolerance:
Surface Quality:
Wavefront Distortion:
Bevel:
Coating: |
BK7, Fused Silica
+0.0,-0.15mm
>90%
see the table
40-20 scratch and dig
lambda/4 at 632.8nm
<0.25mm X 45°
available upon request |
Standard Right Angle Prism
Size(mm) |
Material |
3min.devation |
1min.deviation |
30sec.devation |
Product Number |
Product Number |
Product Number |
BK7 |
A=B=C=3.2 |
BK7 |
UQT-RAPB0101 |
UQT-RAPB0201 |
UQT-RAPB0301 |
A=B=C=5.0 |
BK7 |
UQT-RAPB0102 |
UQT-RAPB0202 |
UQT-RAPB0302 |
A=B=C=10.0 |
BK7 |
UQT-RAPB0103 |
UQT-RAPB0203 |
UQT-RAPB0303 |
A=B=C=12.7 |
BK7 |
UQT-RAPB0104 |
UQT-RAPB0204 |
UQT-RAPB0304 |
A=B=C=15.0 |
BK7 |
UQT-RAPB0105 |
UQT-RAPB0205 |
UQT-RAPB0305 |
A=B=C=20.0 |
BK7 |
UQT-RAPB0106 |
UQT-RAPB0206 |
UQT-RAPB0306 |
A=B=C=25.4 |
BK7 |
UQT-RAPB0107 |
UQT-RAPB0207 |
UQT-RAPB0307 |
A=B=C=30.0 |
BK7 |
UQT-RAPB0108 |
UQT-RAPB0208 |
UQT-RAPB0308 |
A=B=C=40.0 |
BK7 |
UQT-RAPB0109 |
UQT-RAPB0209 |
UQT-RAPB0309 |
A=B=C=50.8 |
BK7 |
UQT-RAPB0110 |
UQT-RAPB0210 |
UQT-RAPB0310 |
UV Grade Fused Silica |
A=B=C=5.0 |
Fused Silica |
UQT-RAPF0101 |
UQT-RAPF0201 |
UQT-RAPF0301 |
A=B=C=10.0 |
Fused Silica |
UQT-RAPF0102 |
UQT-RAPF0202 |
UQT-RAPF0302 |
A=B=C=12.7 |
Fused Silica |
UQT-RAPF0103 |
UQT-RAPF0203 |
UQT-RAPF0303 |
A=B=C=15.0 |
Fused Silica |
UQT-RAPF0104 |
UQT-RAPF0204 |
UQT-RAPF0304 |
A=B=C=20.0 |
Fused Silica |
UQT-RAPF0105 |
UQT-RAPF0205 |
UQT-RAPF0305 |
A=B=C=25.4 |
Fused Silica |
UQT-RAPF0106 |
UQT-RAPF0206 |
UQT-RAPF0306 |
A=B=C=30.0 |
Fused Silica |
UQT-RAPF0107 |
UQT-RAPF0207 |
UQT-RAPF0307 |
A=B=C=40.0 |
Fused Silica |
UQT-RAPF0108 |
UQT-RAPF0208 |
UQT-RAPF0308 |
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| Please Contact ultiQuest for other dimensions in prototype and production quantities. |
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| NOTES! |
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Please contact us for OEM with mass production.. |
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Every edge of these prisms is chamfered (beveled) for chipping prevention. The dimensions of these prisms are values not including chamfer. |
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Be sure to wear laser safety goggles when checking optical path and adjusting optical axis. |
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