Optical: systems and elements – Prism – With reflecting surface
Patent
1991-08-14
1993-08-03
Henry, Jon W.
Optical: systems and elements
Prism
With reflecting surface
359833, 359613, G02B 504
Patent
active
052334759
ABSTRACT:
A rectangular prism includes an entrance surface for receiving light, an exit surface from which the light emerges, two reflecting surfaces orthogonal to each other for directing the light ray incident from the entrance surface to the exit surface, and a groove of V-shaped cross-section disposed in the boundary between the entrance surface and the exit surface.
REFERENCES:
patent: 2096452 (1937-10-01), Dixon et al.
Henry Jon W.
Nikon Corporation
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