Particle analyzing apparatus using an afocal light beam

Details Particle analyzing apparatus using an afocal light beam Particle analyzing apparatus using an afocal light beam

1987-05-14

1989-06-13

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250576, 356338, G01N 1500, G01N 2151

Patent

active

048395285

ABSTRACT:
A light is applied to particles to be examined in a cell, the scattered light from the particles to be examined is converted to an afocal light, a beam splitter is provided in the afocal light beam, and photometering and observation of the cell are efficiently effected in two optical paths branched off by the beam splitter.

REFERENCES:
patent: 4072421 (1978-02-01), Coyne et al.
patent: 4179218 (1979-12-01), Erdmann et al.
patent: 4251733 (1981-02-01), Hirleman, Jr.

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