Optics: measuring and testing – By dispersed light spectroscopy – With sample excitation
Patent
1992-09-30
1995-06-13
McGraw, Vincent P.
Optics: measuring and testing
By dispersed light spectroscopy
With sample excitation
356301, G01J 330, G01J 344
Patent
active
054248256
ABSTRACT:
The filtration means filter the exciter radiation (EX) in a first forward direction from generator means (LS) to the specimen (EC), by allowing a second spectral band (BZ) of predetermined spectral width (l) and centered on a selected frequency corresponding to the wavelength of the exciter radiation (L0) to pass and stopping a first spectral band (FZ) complementary to the second spectral band (BZ), while substantially simultaneously with this first filtration operation, these filtration means further filter the analysis radiation (ON) in a second direction that is the reverse of the first direction, by allowing the first spectral band (FZ) to pass and stopping the second spectral band (BZ).
REFERENCES:
patent: 3554647 (1971-01-01), Paine
patent: 3865490 (1975-02-01), Grossman
patent: 3907430 (1975-09-01), Mann
patent: 4025196 (1977-05-01), Chupp et al.
patent: 4235518 (1980-11-01), Greiner
Premonochromator for Stray Light Rejection in Raman Spectroscopy, J. Fellman et al., Applied Optics, vol. 16, No. 4, Apr. 1, 1977, pp. 1085-1087.
Un Triple Monochromateur Pour La Spectroscopie Raman A Basses Frequencies, C. Julien, Journal of Optics, vol. 11, No. 4, Aug. 1, 1980, pp. 257-267.
Da Silva Edouard
Delhaye Michel
Martinez Gerard
Dilor
Hantis K. P.
McGraw Vincent P.
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