Dual-band sensor system utilizing a wavelength-selective...

Details Dual-band sensor system utilizing a wavelength-selective... Dual-band sensor system utilizing a wavelength-selective...

2007-11-20

2007-11-20

Chowdhury, Tarifur (Department: 2886)

Optics: measuring and testing

By shade or color

With color transmitting filter

C356S402000

Reexamination Certificate

active

11053298

ABSTRACT:
An imaging sensor system images in two different spectral bands a light beam traveling on a light path from a target. The sensor system includes an imaging sensor operable to image light of the two different spectral bands, a common optics having at least one reflective or refractive optical element, and a wavelength-selective beamsplitter on the light path between the target and the imaging sensor. The wavelength-selective beamsplitter splits the light beam into two subbeams, one subbeam for each of the two different spectral bands, that are respectively incident upon two different locations of the imaging sensor. The imaging sensor may be used to detect buried explosive mines.

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