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Details |
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Right angle prisms are generally used to achieve a 90° light path bend. Depending on prisms orientation, images will be inverted, but correct left-to-right. If the prism is rotated 90° , images viewed though the prism will be erect, but reversed left-to-right. Prisms can also be used in combination for image/beam displacement.
90° Deflection
90° deflection occurs at the face. The hypotenuse image is erected and reversed.
180° Deflection
180° deflection uses with hypotenuse as the entrance and exit face. The main application is as a retro-reflector provided that the plane of incident beam includes the vertex.
Specification:
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Material |
BK7 grade A optical glass or UV fused silica |
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Dimension Tolerance |
+0.0, -0.2 mm |
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Clear Aperture |
>80% |
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Surface Quality |
60-40 scratch and dig |
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90° Deviation |
3'''''''''''''''', 1'''''''''''''''' or 30" |
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Flatness |
λ/2 @632.8 nm |
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Protective Bevel |
0.25 mm x 45° |
BK7 Right Angle Prism Standard Products:
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Size (mm) |
3 min. deviation |
1 min. deviation |
30 sec. deviation |
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Part No. |
Part No. |
Part No. |
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A=B=C=3.2 |
DIT0101 |
DIT0201 |
DIT0301 |
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A=B=C=4.0 |
DIT0102 |
DIT0202 |
DIT0302 |
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A=B=C=10.0 |
DIT0103 |
DIT0203 |
DIT0303 |
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A=B=C=12.7 |
DIT0104 |
DIT0204 |
DIT0304 |
Note: Other sizes, material and coatings are available upon request. |
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