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06.11.2018
Materials – Coating 07293-01
06.11.2018
Materials – Coating 10581-01
06.11.2018
Chemistry / Environment 08758-01
06.11.2018
11127-01
06.11.2018
Environment and Energy 11107-01
19.10.2018
Medical Diagnostic 08504-01
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04139-02
French priority patent application n° FR1151195 filed on February, 14th 2011 and entitled «Cellule de détection térahertz”
Jean-Luc PELOUARD
Fabrice PARDO
Simon VASSANT
Jean-Jacques GREFFET
François MARQUIER
Alexandre ARCHAMBAULT
Exclusive or non-exclusive license
Laboratoire de Photonique et de Nanostructures (LPN, UPR20) in Marcoussis, France
Until recently, terahertz region of the electromagnetic spectrum has been difficult to reach because of the lack of efficient sources and detectors”. The main issue was waves were absorbed by ambient moisture in the air, killing the signal. Studies for years led to development of photoconductive and electro-optic methods to generate and detect radiation in the THz frequency range. The interest in this the range has been increasing and today much effort is focused on the development of efficient sources, sensitive detectors and suitable modulator in this “THz gap”.
The invention is about a terahertz detection cell, a detector for terahertz radiation and a method to detect terahertz.
The detector is composed of one or more cells and can be used to detect frequencies between 3 and 30 terahertz. Each cell is composed of a semiconductor crystal, coupling means and terminals connected in an electrical contact.
This device has the advantages of being able to function at ambient temperature, to have good sensitivity and low noise equivalent power.
This innovation could be used for civil or military detection (THz transparency measures) to research, safety and astrophysics.
For further information, please contact us (Ref 04139-02)
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