Method and apparatus using laser radiation for generating and me

Details Method and apparatus using laser radiation for generating and me Method and apparatus using laser radiation for generating and me

1985-06-17

1986-12-09

Rosenberger, R. A.

Optics: measuring and testing

For size of particles

By particle light scattering

356338, G01N 1502

Patent

active

046277269

ABSTRACT:
A non-intrusive method and apparatus for performing qualitative analysis of a liquid disposed within a container transparent to laser radiation comprises a first laser focused at a selected point within the liquid to produce or generate bubbles emanating from that location and a laser Doppler velocimeter which is intercepted by the rising bubbles to produce an output signal indicating both bubble size and velocity, as indication of liquid quality.

REFERENCES:
patent: 3830568 (1974-08-01), Allen
patent: 4211487 (1980-07-01), Morrison et al.
patent: 4348111 (1982-09-01), Goulas et al.
"Measuring the Rate of Liquid Bubbling", Armitage, Jr., IBM Technical Disclosure, vol. 6, #4, 9/1963.

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