UV Fused Silica Right-Angle Prism

A Right-Angle Prism is used as a mirror to deviate light through 90 degree, and also as a retro reflector to deflect light through 180 degree by total internal reflection.

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
Factory Standard – Contact us for manufacturing limit or custom specifications.

  • Material: UV Grade Fused Silica
  • Dimension Tolerance: +0.0, -0.1 mm
  • Clear Aperture: >90%
  • Flatness: l/4 l @632.8 nm
  • Surface Quality: 60-40 scratch and dig


Protective Bevel availableAll measurements in mm
3 min. deviation1 min. deviation30 sec. deviation
SizePart NumberPart NumberPart Number
Note: Coating is available upon requirement.


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