Infrared microscope employing a projected field stop

Details Infrared microscope employing a projected field stop Infrared microscope employing a projected field stop

1986-10-20

1989-06-27

Fields, Carolyn E.

Radiant energy

Infrared-to-visible imaging

2503381, 250341, 350527, G02B 2100

Patent

active

048432423

ABSTRACT:
An infrared microscope is disclosed in which two adjustable field stops are included. One is used to determine the illuminated area at the sample when the microscope is used in the transmission mode. The other is used to determine the illuminated area at the sample when the microscope is used in the reflectance mode. The latter field stop is imaged in the plane of the former; and the radiation in the reflectance mode passes through the former field stop both as it passes to the sample and as it returns from the sample after reflectance.

REFERENCES:
patent: 3933408 (1976-01-01), Reinert
patent: 4113344 (1978-09-01), Shoemaker
patent: 4594509 (1986-06-01), Simon et al.
IR Plan, "An Added Dimension in Microscopy and FT-IR", Spectra Tech. brochure.
Leitz-MPV System publication, "Structure of the Leitz-MPV System", undated.
BIO RAD Publication, Cambridge, MA, undated.

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