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Right-Angle Prisms
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Optics
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Right-Angle Prisms
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Right-Angle prisms are
commonly used to achieve a 90� or 180� light path bend. Depending
on prisms orientation, images will be inverted, but correct
left-to-right. If the prism is rotated 90�, images viewed through
the prism will be erected, but reversed left-to-right. This prism
can also be used in combination for image/beam displacement applications.
90� deflection |
180� deflection |
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90� deflection occurs at the face. The hypotenuse
image is erected and reversed. |
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. |
Main Specifications
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Material |
BK7 glass or UV Fused Silica |
Dimension
Tolerance |
+0.0, -0.2 mm |
Clear
Aperture |
>85% |
Angle
Tolerance |
see
table |
Flatness |
l/2 @632.8
nm |
Surface
Quality |
60-40 scratch and dig |
Bevel |
0.2
mm to 0.5 mm x 45� |
Coating |
Uncoated |
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Standard Products
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Size (mm) |
Material |
3 min. deviation |
1 min. deviation |
30 sec. deviation |
A=B=C=2.0 |
BK7 |
RAP-1101 |
RAP-1201 |
RAP-1301 |
A=B=C=3.2 |
BK7 |
RAP-1102 |
RAP-1202 |
RAP-1302 |
A=B=C=5.0 |
BK7 |
RAP-1103 |
RAP-1203 |
RAP-1303 |
A=B=C=10.0 |
BK7 |
RAP-1104 |
RAP-1204 |
RAP-1304 |
A=B=C=12.7 |
BK7 |
RAP-1105 |
RAP-1205 |
RAP-1305 |
A=B=C=15.0 |
BK7 |
RAP-1106 |
RAP-1206 |
RAP-1306 |
A=B=C=20.0 |
BK7 |
RAP-1107 |
RAP-1207 |
RAP-1307 |
A=B=C=25.4 |
BK7 |
RAP-1108 |
RAP-1208 |
RAP-1308 |
A=B=C=30.0 |
BK7 |
RAP-1109 |
RAP-1209 |
RAP-1309 |
A=B=C=12.7 |
UV Fused Silica |
RAP-2105 |
RAP-2205 |
RAP-2305 |
A=B=C=25.4 |
UV Fused Silica |
RAP-2108 |
RAP-2208 |
RAP-2308 |
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Note:
customized size and
coating are available upon request.
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