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Right angle prism is deviating or deflecting a beam of light with 90° or 180°. It is often used in telescope, periscope and other optical system. Furthermore, Laser grade right angle prism is also available by Tempotec. Please see the following chapter “ laser optics” for more information.
A Right-Angle Prism is used as a mirror to deviate light through 90 degree, and also as a retroreflector to deflect light throgh 180 degree by total internal reflection.
90 degree deflection occurs at the hyotenuse face.The image is erected and reversed.
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.
Material: BK7 glass or UV fused silica
Dimension Tolerance: +0.0, -0.2 mm
Clear Aperture: >80%
Beam deviation: 3', 1' or 30"
Flatness: λ/2 @632.8 nm
Surface Quality: 60-40 scratch and dig