Luminescence measuring device with pre-filter effect...

Details Luminescence measuring device with pre-filter effect... Luminescence measuring device with pre-filter effect...

2007-02-20

2007-02-20

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

Reexamination Certificate

active

10474207

ABSTRACT:
A device for measuring the intensity of a luminescence radiation emitted by at least one chemical species probed, along a trajectory by an excitation radiation. The device includes n measurement channels, where n is an integer greater than or equal to 2, each measurement channel being used to measure a fraction of the intensity of the luminescence radiation emitted along the trajectory. The device is also applicable to analytical chemistry to make speciation measurements.

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McYappert et al.: “Correction of polychromatic luminescence signals for inner-filter effects” Applied Spectroscopy, the Society for Applied Spectroscopy, vol. 43, No. 5, pp. 759-767 Jul. 1, 1989.
T. Berthoud et al.: “ Direct uranium trace analysis in plutonium solutions by time-resolved laser-induced spectrofluorometry” Analytical Chemistry, vol. 60, No. 13 pp. 1296-1299, Jul. 1, 1988.
Matsui Tetsuya et al.: “A correction method for fluorescence by reduction using time-resolved fluorometry and spectrophotometry” Applied Spectroscopy, the Society for Applied Spectroscopy, vol. 45, No. 1, pp. 32-35, 1991.
Sa Siano: “Deconvolution of multicomponent fluorescence spectra in the presence of absorption inner-filter effects” Journal of Quantitative Spectroscopy and Radiative Transfer, vol. 47, No. 1 pp. 55-73, Jan. 1992.

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