Porro Prisms (PRP)

  • 180° beam folding prism

Porro prisms are sections of a right angle prism. They are specifically intended for 180° folding. These Porro prisms are circular in cross section and have a  λ / 10 polished input face. An incoming beam is totally internally reflected at the roof faces and returned in the opposite direction within 10 arc sec.
 

Material:
  • BK7A
  • UV Fused Silica
Surface Flatness: < λ / 10 @ 633 nm
Surface Quality: <10 / 5
Dimension Tolerance: < + 0.00 / - 0.20 mm
Angular Deviation <10 arc sec
Clear Aperture: >85% in central circular dimension
Bevel:
  • 0.3 mm (typical) x 45°
  • No bevel on the apex of the prism (sharp knife edge)

 

To create a Lambda part number use the following :
 

 Product Type: 
 Dimension: 
 Material: 
 Part Description: 
 Price:  US Dollars

If you have any questions, please contact the Lambda Sales Team.