Recording transmission and emission spectra

Details Recording transmission and emission spectra Recording transmission and emission spectra

1980-06-27

1981-12-15

Evans, F. L.

Optics: measuring and testing

For optical fiber or waveguide inspection

356318, G01N 2159, G01N 2164

Patent

active

043056601

ABSTRACT:
A first monochromator includes a diffraction grating that is adapted for occlusion by a mirror. When the mirror occludes the grating, a white light input is transmitted through the first monochromator and through a sample under test, thereby causing a transmission of non-absorbed light from the sample. When the grating is unoccluded, monochromatic light is transmitted from the first monochromator so that a selected bandwidth of fluorescence excitation energy is incident on the sample. Fluorescence emission from the sample is diffracted by a second monochromator which provides diffracted light which is recorded by a vidicon.

REFERENCES:
patent: 3775620 (1973-11-01), Meier
patent: 3936190 (1976-02-01), Ohnishi et al.
patent: 4022529 (1977-05-01), White
patent: 4031398 (1977-06-01), Callis
Model 204, Manual #990-9685, section 5 B. 1, Apr. 1969.

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