Optical sensor apparatus for far-field viewing and making optica

Details Optical sensor apparatus for far-field viewing and making optica Optical sensor apparatus for far-field viewing and making optica

1995-12-14

1998-09-29

Chin, Christopher L.

Chemistry: analytical and immunological testing

Involving an insoluble carrier for immobilizing immunochemicals

385 12, 385115, 385123, 422 55, 422 57, 422 58, 422 8205, 422 8207, 422 8208, 422 8209, 422 8211, 4352871, 4352872, 4352887, 435808, 436164, 436165, 436172, 436527, 436800, 436805, G01N 33543, G01N 33552

Patent

active

058145249

ABSTRACT:
The present invention is an optical sensor apparatus for far-field viewing and imaging as well as for the optical detection and analytical measurement of at least one species of analyte in a remotely-positioned fluid sample. The apparatus employs an imaging fiber comprising a fiber optic array and a Gradient Index lens; and utilizes a remotely-positioned solid substrate having light energy absorbing indicator ligands on an external surface for reactive contact with individual species of analytes when present in a fluid sample. The optical sensor apparatus is able to view an object and provide an image of the object located at a pre-set optical distance remote from the imaging fiber. The apparatus is also able to detect and identify, qualitatively and quantitatively, one or more analytes of interest in a flowing solid, gaseous, or liquid sample at remote locations distanced from the imaging fiber itself.

REFERENCES:
patent: 5244636 (1993-09-01), Walt et al.
patent: 5244813 (1993-09-01), Walt et al.
patent: 5298741 (1994-03-01), Walt et al.
patent: 5320814 (1994-06-01), Walt et al.

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