Optics: measuring and testing – For optical fiber or waveguide inspection
Patent
1996-09-26
1999-02-16
Font, Frank G.
Optics: measuring and testing
For optical fiber or waveguide inspection
356222, 356141, 356146, G01N 2100
Patent
active
058726233
ABSTRACT:
The invention provides apparatuses for detecting light from, for example, closely spaced detection sites. In one embodiment, the invention provides an apparatus for measuring the amount of light emitted from or transmitted through two or more detection sites of a first set of detection sites on a planar substrate while spatially resolving the measurements for each detection site of the first set, the apparatus comprising: for each detection site of the first set, an addressable source of a light beam directed to that detection site at a first angle; and an array detector comprising a plurality of light responsive pixels, wherein for each detection site of the first set there is at least one light responsive pixel that receives light emitted from or transmitted through that detection site at a second angle that can be the same as the first angle.
REFERENCES:
patent: 4181398 (1980-01-01), Sick
patent: 5146258 (1992-09-01), Bell et al.
patent: 5461481 (1995-10-01), Bowen et al.
patent: 5777728 (1998-07-01), Schiller
Cherukuri Satyam Choudary
Heaney Paul
Ludington David Norman
Rosen Arye
Stabile Paul J.
Burke William J.
Font Frank G.
Ratliff Reginald A.
Sarnoff Corporation
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