Particle analyzing apparatus

Details Particle analyzing apparatus Particle analyzing apparatus

1989-06-15

1990-01-30

Rosenberger, Richard A.

Optics: measuring and testing

For optical fiber or waveguide inspection

2504612, 356339, 356417, G01N 2164, G01N 2153

Patent

active

048969613

ABSTRACT:
A particle analyzing apparatus has an irradiating optical system for irradiating a particle to be examined with a light beam, a measuring optical system for measuring the light scattered by the particle, a device provided in the irradiating optical system for varying the form of the light beam, and a device provided at a position in the measuring optical system optically conjugate with the position of the particle to be irradiated with the light beam and adapted for varying the form of viewing field when the form of the light beam is varied.

REFERENCES:
patent: 2775159 (1956-12-01), Frommer
patent: 3504183 (1970-03-01), Salkowski
patent: 3824402 (1974-07-01), Mullaney et al.

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