Right angle prisms are most popular of all prisms. Right angle prisms are used to deviate beam through 90°, when beam enters normal to right sides, and as also a retroreflector to deviate beam through 180° when beam enters normal to hypotenuse.
General Specifications
Standard Precision
High precision
Dimensional tolerance
±0.1mm
±0.05mm
Surface quality
40-20 S/D
10-5 S/D
Surface flatness
λ/4@632.8nm
λ/8@632.8nm
Angular tolerance
±3 arcmin
±1 arcmin
Clear apeture
>85%
>85%
Bevel
Protective bevel
Protective bevel
Materials: N-BK7, UV Fused Silica, other optical glass
Typical Sizes
AxBxC(mm)
AxBxC(mm)
1.0x1.0x1.0
15.0x15.0x15.0
2.0x2.0x2.0
18.0x18.0x18.0
3.0x3.0x3.0
20.0x20.0x20.0
5.0x5.0x5.0
25.4x25.4x25.4
10.0x10.0x10.0
38.1x38.1x38.1
12.7x12.7x12.7
50.8x50.8x50.8
Other sizes and shapes are available.
Angular accuracy (45°-90°-45°)
15"
30"
1'
2'
3'
Choose Coatings (Please specify which surfaces require coatings)
● Single layer MgF2 ● Anti-reflective coating, R<0.25%@design wavelength ● High reflective dielectric coating. ● Protected Aluminum
