Optical beam splitter

Details Optical beam splitter Optical beam splitter

2007-09-11

2007-09-11

Chang, Audrey Y. (Department: 2872)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By partial reflection at beam splitting or combining surface

C359S618000, C359S710000, C359S726000

Reexamination Certificate

active

10935661

ABSTRACT:
An optical beam splitter (1) for a light beam (2) that is parallel along a beam axis (A) has a transparent central area (3) and a plurality of reflecting reflector surfaces (4a, 4b) that are respectively inclined by a reflector angle (α) relative to the beam axis (A) for generating each a discrete spot beam (5a, 5b), with the central area (3) being convexly curved in the manner of a prism at least in part and/or has beam-expanding diffractive optics (19).

REFERENCES:
patent: 1838971 (1931-12-01), Whitaker et al.
patent: 4411489 (1983-10-01), McGrew
patent: 5777695 (1998-07-01), Yamagishi
patent: 6327090 (2001-12-01), Rando et al.
patent: 6657788 (2003-12-01), Tacklind et al.
patent: 6856470 (2005-02-01), Nishimura

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