Multi-band terahertz receiver and imaging device

Details Multi-band terahertz receiver and imaging device Multi-band terahertz receiver and imaging device

2007-03-23

2010-12-14

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

C250S341300, C333S219000, C343S909000, C359S246000, C359S259000

Reexamination Certificate

active

07851761

ABSTRACT:
Multi-band polarized receiver-emitter THz domain visualization device that includes a group of elemental receiver units made from a resonant system sensitive to frequency and polarization, a micro-bead solid-state voltage amplifier in the gate of a differential FET system. The detection is based on the carrier perturbation method detected by a set of double gate comparator circuits that further generates an integrated signal driven to a digital analog converter. The signal from here is accessing event-based memory used to generate the 3D images. Multiple detection modules are coupled into a triangular detection element detecting a multitude of frequencies, in a cascade of bands from 2 mm to 1 micron. This THz chromatic detector is integrated in a surface morph array, or in an image area of a focusing device generating a pixel of information with band, amplitude, polarization and time parameters, driving to a complex 3D substance level visualizations.

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Liviu Popa-Simil, Multi-band Terahertz Imaging System Design, MRS-2005-Spring, Proceedings, Apr. 20, 2005, MRS, vol. JJ, San Francisco, USA.

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