Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1996-10-10
1998-02-03
Wong, Don
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
25033911, 2503418, G01J 502
Patent
active
057147582
ABSTRACT:
A compact, portable infrared surface inspection system includes an infrared point energy source having an infrared energy source, an aperture plate having an aperture therethrough, and a pair of 90-degree off-axis parabolic mirrors that focus infrared energy from the infrared energy source to the aperture. A third 90-degree off-axis parabolic mirror receives the infrared energy passing through the aperture, which is located at the focus of the third 90-degree off-axis parabolic mirror, and reflects the infrared energy through a 90-degree angle into a Fourier transform infrared spectrometer having as a infrared energy output an FHR beam. The FFIR beam is optionally filtered and directed into a final mirror array that includes a barrel ellipse mirror assembly which receives the FTIR beam, directs the FTIR beam toward a specimen analysis location at a first focus of the ellipse, and directs a diffuse scattered beam from the specimen analysis location toward a second focus of the ellipse. An infrared detector is located at the second focus of the ellipse. A single housing encloses these elements. The housing has a specimen port at the specimen analysis location, whereby a specimen to be analyzed may be placed at the specimen analysis location.
REFERENCES:
patent: 5118945 (1992-06-01), Winschuh et al.
Garmong Gregory
Surface Optics Corp.
Wong Don
LandOfFree
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