Device and method for observing and analyzing a stream of materi

Details Device and method for observing and analyzing a stream of materi Device and method for observing and analyzing a stream of materi

1992-05-21

1995-03-07

Snay, Jeffrey R.

Optics: measuring and testing

By configuration comparison

With photosensitive film or plate

21912183, 250574, 356340, 356376, 356386, G01B 1104, B23K 2602

Patent

active

053963334

ABSTRACT:
A device for observation and analysis of a cross-sectional portion of a stream of material, which may be either a particle or a fluid stream, includes a laser light source for generating a beam of light. A focusing lens is disposed in an optical path between the laser source and the stream and a plano-cylindrical lens of a selected focal length is disposed in the optical path between the focusing lens and the stream. The focusing lens and the plano-cylindrical lens convert the beam of light from the laser light source to a plane of light which may be projected through the stream to illuminate a selected cross-section of the stream for observation and analysis thereof.

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