FTIR spectrometer with solid-state drive system

Details FTIR spectrometer with solid-state drive system FTIR spectrometer with solid-state drive system

1997-09-04

1999-11-30

Hannaher, Constantine

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

356346, 359224, G01J 326, G01B 902, G02B 7182

Patent

active

059947004

ABSTRACT:
An FTIR spectrometer (10) and method using a solid-state drive system with thermally responsive members (27) that are subject to expansion upon heating and to contraction upon cooling. Such members (27) are assembled in the device (10) so as to move an angled, reflective surface (22) a small distance. The sample light beam (13) is received at a detector (24) along with a reference light beam (13) and there it is combined into a resulting signal. This allows the "interference" between the two beams to occur for spectral analysis by a processor (29).

REFERENCES:
patent: 4871244 (1989-10-01), Stanley
patent: 5196902 (1993-03-01), Soloman
patent: 5825493 (1998-10-01), McGlynn
Griffiths, Peter R., and de Haseth, James A., "Two-Beam Interferometers," Chap. 4, Fourier Transform Infrared Spectrometry, A Wiley-Interscience Publication, John Wiley & Sons, Inc., 1986.
Griffiths, Peter R., and de Haseth, James A., "Auxiliary Optics for FT-IR Spectrometry," Chap. 5, Fourier Transform Infrared Spectrometry, A Wiley-Interscience Publication, John Wiley & Sons, Inc., 1986.

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