Rhomboid prisms are used to shift an incident beam without angular deviation or orientation change. These Rhomboid prisms in effect acts as a pair of mirrors, light enters one end is then displaced laterally the opposite end.
BK7 , Sapphire, fused silica, etc. material from UV, visible and NIR range
4mm to 300mm
up to 90%
λ/2 @632.8 nm (Standard), λ/16(High Precision) at 632.8 nm
0.25-0.5 mm face width x 45° ± 15°
± 5 art sec
± 30 arc sec