Fourier transform spectroscope with quadrangular common path int

Details Fourier transform spectroscope with quadrangular common path int Fourier transform spectroscope with quadrangular common path int

1991-07-25

1996-02-27

Turner, Samuel A.

Optics: measuring and testing

By particle light scattering

With photocell detection

356345, G01B 902

Patent

active

054953340

ABSTRACT:
An apparatus for effecting spatial Fourier transform spectroscopic detection of light from a surface luminescent object with high sensitivity by use of a quadrangular common path interferometer. The apparatus includes an improvement which consists of an additional imaging optical system which converges a light beam from the specimen so as to enter the beam splitter. The additional imaging optical system is disposed so that an image position is substantially coincident with the position of the second of three mirrors in the apparatus.

REFERENCES:
patent: 2151631 (1937-05-01), Williams
patent: 4183669 (1980-01-01), Doyle
patent: 4976542 (1990-12-01), Smith
patent: 4983041 (1991-01-01), Inaba
patent: 5028864 (1991-07-01), Lee et al.

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