Laser scanning optical microscope

Details Laser scanning optical microscope Laser scanning optical microscope

1997-07-23

1999-08-10

Nguyen, Thong

Optical: systems and elements

Compound lens system

Microscope

359201, 359368, G02B 2106

Patent

active

059367644

ABSTRACT:
A laser scanning optical microscope comprises a first optical scanning device for generating a laser beam and scanning a specimen with the laser beam in a direction at a preselected frequency. A drive circuit controls the first optical scanning device to scan the specimen with the laser beam. A pair of second optical scanning devices scan the laser beam in directions perpendicular and parallel to the scanning direction of the first optical scanning device at two frequencies lower than the preselected frequency. A light receiving device receives light reflected or transmitted by the scanned specimen and produces a photoelectric signal. A signal processing device converts the photoelectric signal obtained from the light receiving device to a standard television scanning signal corresponding to a laser beam scanning pattern obtained with the first optical scanning device and the pair of second optical scanning devices.

REFERENCES:
patent: 4992858 (1991-02-01), Kobayashi
patent: 5028802 (1991-07-01), Webb et al.
patent: 5225924 (1993-07-01), Ogawa et al.
patent: 5386112 (1995-01-01), Dixon
patent: 5394268 (1995-02-01), Lanni et al.
patent: 5557452 (1996-09-01), Harris
patent: 5691839 (1997-11-01), Kobayashi

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