Imaging sensor optical system

Details Imaging sensor optical system Imaging sensor optical system

2007-05-01

2007-05-01

Pham, Hoa Q. (Department: 2877)

Optics: measuring and testing

Inspection of flaws or impurities

Bore inspection

C250S269100, C250S260000, C250S258000

Reexamination Certificate

active

10763735

ABSTRACT:
The present invention relates to an in-vessel or down-hole optical imaging sensor or system for operating in structures which may contain media with different spectral transmission characteristics. The imaging sensor of the present invention selectively emits and/or detects two or more independently controllable wavelengths or wavebands. The imaging sensor comprises an illuminator for emitting radiation of a specified wavelength or waveband through a medium to a target, at least one detector for detecting the radiation deflected by said target and at least one amplifier for providing non-linear amplification of the detector output.

REFERENCES:
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patent: 5717209 (1998-02-01), Bigman et al.
patent: 6075611 (2000-06-01), Dussan et al.
patent: 6472660 (2002-10-01), Hother
patent: 2 332 331 (1999-06-01), None
patent: 63167577 (1988-07-01), None

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