Optics: measuring and testing – Photometers – Photoelectric
Patent
1975-10-09
1977-02-22
Corbin, John K.
Optics: measuring and testing
Photometers
Photoelectric
350161R, 356 51, G01J 142, G01N 2134
Patent
active
040089665
ABSTRACT:
A method and apparatus for simultaneously sampling and scanning a portion a laser beam with acoustic energy. An acoustic pulse is propagated across the light beam and the pressure variations which comprise the pulse form a diffraction grating for deflecting the light beam over its volume of interaction with the pulse. As the pulse propagates, successive parts of the beam are deflected and an effective scan is performed. Focussing optics focus the diffracted beam on a photodetector and analyzing and controlling electronics is provided. Additionally, several embodiments for providing a two-dimensional scan of the laser beam portion are disclosed.
REFERENCES:
patent: 3566303 (1971-02-01), DeMaria
patent: 3741648 (1973-06-01), Nickel
patent: 3753157 (1973-08-01), Ash et al.
Frank Konrad
Klon Peter F.
Corbin John K.
Edelberg Nathan
Elbaum Saul
Gibson Robert P.
Levy Stewart
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