Apparatus for the measurement of fluorescence, turbidity, lumine

Details Apparatus for the measurement of fluorescence, turbidity, lumine Apparatus for the measurement of fluorescence, turbidity, lumine

1984-05-17

1987-07-07

Evans, F. L.

Optics: measuring and testing

For optical fiber or waveguide inspection

250227, 250574, 356317, 356338, 356417, G01N 2149, G01N 2164, G01N 2159

Patent

active

046783261

ABSTRACT:
An apparatus for measuring optical properties such as fluorescence, luminescence or absorption by a liquid sample includes collimating lenses disposed adjacent a cuvette so that their optical axes coincide with the central axis of the cuvette. A fiber bundle with an end portion is located adjacent to the lenses and is provided with a plurality of distinct light transmitting paths extending along the length of the fiber bundle to its end portions. The fiber bundle and collimating lenses cooperate to communicate collimated light between the sample and fiber bundle. The lenses are operable to focus light emanating from the sample upon the end portion of the fiber bundle so that an equal proportion from each volume element of the sample is incident on the fiber bundle surface.

REFERENCES:
patent: 3068739 (1962-12-01), Hicks, Jr. et al.
patent: 3310680 (1967-03-01), Hasegawa
Durham, III, et al., IBM Technical Disclosure Bulletin, v. 18, No. 9, Feb. 1976, p. 2980.

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