Modulation contrast microscope with three regions

Details Modulation contrast microscope with three regions Modulation contrast microscope with three regions

1978-04-21

1980-04-29

Henry, Jon W.

G02B 2114

Patent

active

042003539

ABSTRACT:
A modulation contrast microscope for rendering phase gradients in phase objects visible by virtue of creating light amplitude differences including a source aperture and a modulator having different density or color regions so that when a transparent object with phase gradients is examined the image exhibits viewable contrast effects.

REFERENCES:
patent: 2427689 (1947-09-01), Osterberg et al.
patent: 2687670 (1954-08-01), Locquin
patent: 2700918 (1955-02-01), Osterberg et al.
patent: 2732759 (1956-01-01), Osterberg
patent: 2950648 (1960-08-01), Rhodes
patent: 3876283 (1975-04-01), Judd

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