Microscopy systems with rectangular illumination particularly ad

Details Microscopy systems with rectangular illumination particularly ad Microscopy systems with rectangular illumination particularly ad

1978-04-21

1980-04-29

Henry, Jon W.

G02B 2114

Patent

active

042003547

ABSTRACT:
A modulation contrast microscope employs a closely wound lamp filament of a rectangular configuration as an illuminating source. The image of the filament is registered on a Fourier plane to which plane a modulator is located which serves to render phase gradients in phase objects visible by functioning to provide light amplitude differences in accordance with modifying the amplitude of the light beam relatively about a given region in both a greater and lesser intensity.

REFERENCES:
patent: 2427689 (1947-09-01), Osterberg et al.
patent: 2706253 (1955-04-01), Hutchins et al.
patent: 2950648 (1960-08-01), Rhodes

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