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06.11.2018
Materials – Coating 07293-01
06.11.2018
Materials – Coating 10581-01
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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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04139-01
French priority patent application n°FR1151189 filed on February, 14th 2011 and entitled ” Modulateur 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 the active components in the terahertz frequency domain, more particularly a modulator for terahertz radiation, and a method to modulate an incident terahertz frequency radiation.
The modulator device can be used in a frequency band between 3 and 30 terahertz and may operate in reflection or in transmission depending of the implementation of the component.
This device has the advantages of being able to function at ambient temperature and more effective than existing devices. In fact, the device can be used in a specific range of wavelength where others devices are limited by phonons absorption.
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 04139-01)
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06.11.2018
11127-01
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