It has three mutually perpendicular surfaces and a hypotenuse face. Light entering through the hypotenuse is reflected by each of the three surfaces in turn and will emerge through the hypotenuse face parallel to the entering beam regardless of the orientation the incident beam. It is often used to the distance measurement, optical signal process and laser interferometer.
Specifications
Material
BK7
Surface Accuracy
1/8 wave
Diameter Tolerance
+0/-0.1mm
Height Tolerance
+/-0.25mm
Angle Tolerance
3 arcsec
Chamfer
Roof and other 0.2mm
Coating
Uncoated or silver with inconel and black overpaint
China Optics Net
Retro-Reflector Prisms
Product No.
Dia.(mm)
H(mm)
Coating
Add
100306
12.7
10.16
none
100313
12.7
10.16
Silver
100314
25.4
19.05
None
100315
25.4
19.05
Silver
100316
38.1
29.21
None
100317
38.1
29.21
Silver
100318
38.1
29.21
None
100319
38.1
29.21
Silver
100320
50.8
38.1
None
100321
50.8
38.1
Silver
100322
63.5
48.26
None
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