Confocal microspectrometer system

Details Confocal microspectrometer system Confocal microspectrometer system

1997-02-13

1999-01-26

Glick, Edward J.

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

25033905, 250347, 250348, 250353, G02B 2100, G01N 2101, G01N 2135

Patent

active

058641394

ABSTRACT:
A microscope for use in transmissive and reflective infrared spectral analysis of a sample positioned on a sample plane. The microscope uses a collimated beam for infinity correction. A collimated irradiating beam of infrared energy is input to the microscope and focused through a single confocal aperture whereupon the beam is re-collimated and provided to a focusing lens. The focusing lens focuses the beam on a subject sample which generates a resulting image beam. The resulting image beam is re-collimated and provided to an optical element which focuses the resulting image beam back through the single confocal aperture and to an infrared detector. In a preferred embodiment, the size of the single confocal aperture is adjustable and a dichroic element is included for providing simultaneous viewing and infrared measurement of a measured sample. Also in a preferred embodiment, a detector mounting apparatus is included for facilitating orientation of a detector at an infrared output of the microscope.

REFERENCES:
patent: 4843242 (1989-06-01), Doyle
patent: 4852955 (1989-08-01), Doyle et al.
patent: 4922104 (1990-05-01), Eguchi et al.
patent: 5160826 (1992-11-01), Cohen et al.
patent: 5581085 (1996-12-01), Reffner et al.

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