Optical device having aperture arrays for shielding light

Details Optical device having aperture arrays for shielding light Optical device having aperture arrays for shielding light

1998-03-30

2000-05-30

Ben, Loha

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

359619, 359622, 25036304, 313403, G02B 2710

Patent

active

060697415

ABSTRACT:
An optical device of the present invention includes an input aperture array formed with a plurality of input apertures at a preselected period of arrangement. An output aperture array is formed with a plurality of output apertures respectively facing the input apertures at a preselected period of arrangement. An aperture array intervenes between the input aperture array and the output aperture array and is formed with apertures respectively facing the input apertures and output apertures at a preselected period of arrangement. The aperture array satisfies the following two conditions:

REFERENCES:
patent: 5420720 (1995-05-01), Gal et al.
patent: 5499138 (1996-03-01), Iba
patent: 5648874 (1997-07-01), Sawaki et al.
patent: 5751492 (1998-05-01), Meyers
patent: 5768023 (1998-06-01), Sawaki et al.
patent: 5812322 (1998-09-01), Meyers
patent: 5822125 (1998-10-01), Meyers

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