High intensity illuminator

Details High intensity illuminator High intensity illuminator

1992-06-19

1994-05-03

Ben, Loha

Optical: systems and elements

Compound lens system

Microscope

359613, 359656, 362237, 362252, G02B 2106, F21V 3300

Patent

active

053092775

ABSTRACT:
The high intensity illuminator of the invention includes a mounting fixture, a receiving surface spaced from the mounting fixture, and a plurality of semiconductor illumination sources which are implemented, most preferably, by light emitting diodes or laser diodes. Each illumination source is operable for emitting an outwardly-diverging illumination cone along an axis of illumination of the source at a predetermined illumination wavelength. The plural illumination sources are mounted on the mounting fixture such that their illumination cones are overlappingly coincident on a selected portion of the receiving surface to provide at the receiving surface portion a highly uniform illumination of high intensity at the predetermined wavelength.

REFERENCES:
patent: 2589569 (1952-03-01), Peter et al.
patent: 4431266 (1984-02-01), Mori et al.
patent: 4826269 (1989-05-01), Streifer et al.
patent: 4852985 (1989-08-01), Fujihara et al.
patent: 4893223 (1990-01-01), Arnold
patent: 5038258 (1991-08-01), Koch et al.
patent: 5106183 (1992-04-01), Yoder, Jr.

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