Optical prism assembly

Details Optical prism assembly Optical prism assembly

2007-05-29

2007-05-29

Spector, David N. (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S640000

Reexamination Certificate

active

11113229

ABSTRACT:
An optical prism assembly. The optical prism assembly includes an isosceles triangular prism and a plurality of prism blocks. The isosceles triangular prism comprises a base angle, between 30° and 45°. A first prism block and a second prism block are connected to two bounding surfaces of the isosceles triangular prism having equal lengths. A third prism block is connected between the first prism block and the second prism block. A first dichroic filter and a second dichroic filter are formed on the isosceles triangular prism and two adjacent bounding surfaces of each prism blocks, such that the isosceles triangular prism is combined with each prism block to form a first filter continuous plane and a second filter continuous plane.

REFERENCES:
patent: 6019474 (2000-02-01), Doany et al.
patent: 6327092 (2001-12-01), Okuyama
patent: 6517209 (2003-02-01), Huang

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