Anamorphic Prism        

These two prisms can expand or contract the beam in one direction without any changes in the other direction. By adjusting the angles among the incident beam and two prisms, the shape of the beam can be changed. It is very easy to turn elliptical beam into circular beam.        

                        

Specifications        

Material: SF11 grade A fine annealed optical glass       
Dimention Tolerance: +0.0,-0.15mm   
Clear aperture: >80% of the central area       
Surface quality: 60/40 scratch and dig      
Flatness: λ/8@830nm       
q=29°27' ± 30"         

Coating: MgF2 single layer on perpendicular surface