Right Angle Prism may be used as a 90 degree reflector or 180 degree retroreflector. The prism deflect, deviate and rotate beams of light as well as dispersing their wavelengths. They usually used for beam deviation or as substrates for beamsplitters.
90-degree Deflection
90 degree deflection occurs at the hypotenuse face. The
image is erected and reversed.
180-degree Deflection
180 degree deflection uses with hypotenuse as the
entrance and exit face. The mail application of it is
used as a retroreflector provided that the plane of
incident beam includes the vertex.
Specification:
Material | BK7 grade A optical glass or UV fused silica |
Dimension Tolerance | +0.0, -0.2 mm |
Clear Aperture | >80% |
Surface Quality | 60-40 scratch and dig |
90° Deviation | 3''', 1''' or 30" |
Flatness | λ/2 @632.8 nm |
Protective Bevel | 0.25 mm x 45° |
BK7 Right Angle Prism Standard Products:
Size (mm) | 3 min. deviation | 1 min. deviation | 30 sec. deviation |
Part No. | Part No. | Part No. | |
A=B=C=3.2 | RAP101 | RAP201 | RAP301 |
A=B=C=4.0 | RAP102 | RAP202 | RAP302 |
A=B=C=10.0 | RAP103 | RAP203 | RAP303 |
A=B=C=12.7 | RAP104 | RAP204 | RAP304 |
Note: Other sizes, material and coatings are available upon request.
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