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Rhombic prism
Rhombic Prism used for a parallelism movement of the light path without change its directions. They can be coated as a beam separator, or AR, HR coating. PHYO can provide different option in size and coating, including black painting. 

Spec Commercial High Precision
Material As required like H-K9L,BK7,FS As required like H-K9L,BK7,FS
Demension Tolerance +0.00/-0.20 +0.00/-0.10
90degree daviation tolerance 1-3arcmin 10/-10arcsec
45degree daviation tolerance 20/-20arcsec 3/-3arcsec
Flatness per 25mm@632.8nm L-L/2 L/4-L/8
Surface quality 80-50 40-20
Bevel 0.05-0.2 0.05-0.2
Coating AR, HR, Painting available AR, HR, Painting available
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