Multiplex spectroscopy

Details Multiplex spectroscopy Multiplex spectroscopy

1994-04-05

1996-01-09

Loke, Steven H.

Optics: measuring and testing

By dispersed light spectroscopy

With aperture mask

356326, 356328, 356330, G01J 302, G01J 342

Patent

active

054833353

ABSTRACT:
Analysis of energy emanating from a source having a focal plane by converting the energy from the source into modulated spectral components simultaneously distributed according to frequency along a flat field, using, for example, a modulator, and then detecting and demodulating the spectral components, for example by a fast Fourier transform or synchronous demodulator with a ruled grating interposable between the source and the detector and a linear variable bandpass filter interposable between the source and the detector.

REFERENCES:
patent: 3700890 (1972-10-01), Kruezer
patent: 4755056 (1988-07-01), Yasuda et al.
patent: 4790654 (1988-12-01), Clarke
patent: 5200796 (1993-04-01), Lequime
patent: 5221959 (1993-06-01), Ohyama et al.
patent: 5285254 (1994-02-01), De Sa

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