Scanning microscopes

Details Scanning microscopes Scanning microscopes

1978-04-24

1980-04-15

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250216, 350 12, G01W 2130

Patent

active

041985710

ABSTRACT:
A scanning microscope includes first and second focusing means arranged confocally, at least one focusing means being of annular form, (for example a lens and closely-spaced opaque screen having an annular aperture); coherent radiation detection means arranged to receive radiation from one focusing means; and scanning means to scan an object in the focal plane.

REFERENCES:
patent: 4027973 (1977-06-01), Kaye
Welford, "Journal of the Optical Society of America," Aug. 1960, pp. 749-753.

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