Apparatus for isometrically splitting beams

Details Apparatus for isometrically splitting beams Apparatus for isometrically splitting beams

1996-08-21

1998-07-21

Font, Frank G.

Optical: systems and elements

Single channel simultaneously to or from plural channels

359629, 359638, 356351, G01B 902

Patent

active

057842027

ABSTRACT:
An apparatus for isometrically splitting a reference light beam into a plurality of equally split beams. The apparatus includes a plurality of beam splitters having identical reflectance and identical transmittance. The beam splitters are arranged so that the split beams are transmitted through an equal number of beam splitters and reflected by an equal number of beam splitters to obtain split beams having identical characteristics.

REFERENCES:
patent: 3917406 (1975-11-01), Siegler
patent: 4798468 (1989-01-01), Ohuchi
patent: 5223983 (1993-06-01), Oono et al.
patent: 5257092 (1993-10-01), Noguchi et al.
patent: 5309423 (1994-05-01), Noguchi et al.
patent: 5317144 (1994-05-01), Oono et al.
patent: 5402269 (1995-03-01), Oono
patent: 5406532 (1995-04-01), Nishikawa

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