Measurement system for scattering of light

Details Measurement system for scattering of light Measurement system for scattering of light

1991-03-04

1992-05-26

Rosenberger, Richard A.

Optics: measuring and testing

By particle light scattering

With photocell detection

356 5, 342 26, G01N 2100, G01S 1300

Patent

active

051161249

ABSTRACT:
This invention concerns an apparatus for the measurement of the parameters of atmospheric visibility or optical density. The apparatus includes a transmitter with which light operating as the measurement signal can be emitted to the measured space; a receiver with which light backscattered from the measured space can be received; and an information processor with which the information of light received by the receiver can be processed and interpreted. According to the invention the active surfaces of the transmitter and receiver means are aligned along an at least essentially same optical axis.

REFERENCES:
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patent: 3788742 (1974-01-01), Garbuny
patent: 3940608 (1976-02-01), Kissinger et al.
patent: 4099875 (1978-07-01), McMahon et al.
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patent: 4611917 (1986-09-01), Robieux et al.
patent: 4711578 (1987-12-01), Chaimowicz
patent: 4722599 (1988-02-01), Frungel et al.
patent: 4914310 (1990-04-01), Tarojski

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