Beam splitter/combiner with path length compensator and method f

Details Beam splitter/combiner with path length compensator and method f Beam splitter/combiner with path length compensator and method f

1993-08-18

1995-10-17

Ullah, Akm E.

Optical: systems and elements

Single channel simultaneously to or from plural channels

G02B 2710

Patent

active

054596114

ABSTRACT:
A beam splitter/path length compensator assembly for use in a color imaging assembly, comprising a beam splitter for splitting a polychromatic imaging light beam into a plurality of color component beams, and an integrally formed, transparent path length compensator device for differentially adjusting the focus distances of the color component beams. The beam splitter is encased within the path length compensator device. A color imaging assembly utilizing the beam splitter/path length compensator assembly for forming spatially separated, color component images of an object on a unitary image plane is also disclosed. A method for producing a beam splitter/path length compensator assembly is also disclosed. An optical assembly utilizing a beam combiner/path length compensator assembly for spatially and spectrally combining a plurality of color component optical beams into a combined optical beam having a unitary optical axis is also disclosed.

REFERENCES:
patent: 4709144 (1987-11-01), Vincent
patent: 4870268 (1989-09-01), Vincent et al.
patent: 4926041 (1990-05-01), Boyd
patent: 5040872 (1991-08-01), Steinle
Tribastone, Claude et al., The Photonics Design & Applications Handbook, Book 3 (1993), p. H-343.

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