Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1992-12-10
1994-08-30
Look, Edward K.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
385 37, H01J 314
Patent
active
053430387
ABSTRACT:
A scanning color laser microscope comprises red, green and blue laser sources, objective lenses for focusing R, G and B laser emitted from R, G and B laser sources on a specimen, respectively, condenser lenses for condensing R, G and B laser lights reflected from or transmitted through the specimen, wave guide layers formed on a substrate to receive R, G and B laser lights condensed, respectively, photo couplers arranged on the wave guide layers, respectively, each of which excites a guided light when the laser light condensed is incident to corresponding wave guide layer and photodetectors for detecting respective guided light excited.
REFERENCES:
patent: 4521680 (1985-06-01), Ando
patent: 4861982 (1989-08-01), Smid et al.
patent: 4971414 (1990-11-01), Funato et al.
patent: 4991919 (1991-02-01), Nishiwaki et al.
patent: 5032720 (1991-07-01), White
patent: 5272330 (1993-12-01), Betzig et al.
Journal of the Japan Society for Precision Engineering, (pp. 33-36, Jul. 1991).
Asada Jun-ichi
Nishiwaki Seiji
Uchida Shinji
Larson James A.
Look Edward K.
Matsushita Electric - Industrial Co., Ltd.
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