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Researchers take quantum encryption out of the lab


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IMAGE: Researchers demonstrated a new simple QKD system over a fiber network in Padua, Italy. A map of the city center [©2021 Google] shows that the transmitter was placed at the
ICT.
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Credit: QuantumFuture Group, Università degli Studi di Padova
WASHINGTON In a new study, researchers demonstrate an automated, easy-to-operate quantum key distribution (QKD) system using the fiber network in the city of Padua, Italy. The field test represents an important step toward implementing this highly secure quantum communication technology using the type of communication networks already in place in many regions around the world.
QKD offers impenetrable encryption for data communication because it uses the quantum properties of light to generate secure random keys for encrypting and decrypting data. ....

United States , Italy General , Miguel Alonso , Paolo Villoresi , Marco Avesani , Giuseppe Vallone , Marseille Universit , Luca Calderaro , Mathematics Department , University Of Rochester , Optical Society , Rector Of The University Padua , Optics Letters , Quantum Key Distribution , Editor In Chief Miguel Alonso , Institut Fresnel , Centrale De Marseille , Aix Marseille Universit , Chemistry Physics Materials Sciences , ஒன்றுபட்டது மாநிலங்களில் , இத்தாலி ஜநரல் , மிகுவல் அலோன்சோ , கணிதம் துறை , பல்கலைக்கழகம் ஆஃப் ரோசெஸ்டர் , ஒளியியல் சமூகம் , ஒளியியல் எழுத்துக்கள் ,

Researchers 3D print complex micro-optics with improved imaging performance


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IMAGE: In tests of the new lenses, the reference lens (left) shows color seams due to chromatic aberrations. The 3D printed achromat lenses (middle) reduced these drastically while images taken with.
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Credit: Michael Schmid, University of Stuttgart
WASHINGTON In a new study, researchers have shown that 3D printing can be used to make highly precise and complex miniature lenses with sizes of just a few microns. The microlenses can be used to correct color distortion during imaging, enabling small and lightweight cameras that can be designed for a variety of applications.
The ability to 3D print complex micro-optics means that they can be fabricated directly onto many different surfaces such as the CCD or CMOS chips used in digital cameras, said Michael Schmid, a member of the research team from University of Stuttgart in Germany. The micro-optics can also be printed on the end of optical fibers to create very small medical endoscop ....

United States , Harald Giessen , Miguel Alonso , Michael Schmid , Nanoscribe Gmb , Simon Thiele , Marseille Universit , Institute Of Technical Optics In Stuttgart , Optical Society , University Of Rochester , University Of Stuttgart , Optics Letters , Nanoscribe Gmbh , Technical Optics , Printed Hybrid , Diffractive Achromat , Visible Wavelength Range , Editor In Chief Miguel Alonso , Institut Fresnel , Centrale De Marseille , Aix Marseille Universit , ஒன்றுபட்டது மாநிலங்களில் , ஹரால்ட் கிஎஸ்சென் , மிகுவல் அலோன்சோ , மைக்கேல் ஸ்கிமிட் , சிமோன் திிேலே ,

Portevin Appointed Global Head of Allianz Risk Consulting


Portevin Appointed Global Head of Allianz Risk Consulting
March 3, 2021
The appointment is effective on March 8.
Thierry Portevin
Portevin succeeds the previous global head of ARC, Tina Baacke, who left AGCS at the end of 2020. On an interim basis, Elizaveta Krieg will lead the global property underwriting team, until a permanent successor is confirmed. Currently she is the global practice group leader for Base Industries in this team, based in Munich, Germany.
Prior to becoming global head of Property in 2016, Portevin was global head of Engineering for AGCS from May 2012 to August 2016. Starting his career as an engineering and construction project manager for organizations, including the National Institute for Ocean Science (France) and Jacobs, he joined Allianz France in 2000 as engineering underwriting portfolio manager, before joining AGCS as engineering underwriting manager for France in 2007. ....

France General , Elizaveta Krieg , Thierry Portevin , Tina Baacke , National Institute For Ocean Science France , Business School Paris , Allianz Global Corporate , Allianz Risk Consulting , Tony Buckle , Base Industries , National Institute , Ocean Science , Allianz France , Centrale De Marseille , Chief Underwriting Officer Corporate Tony , பிரான்ஸ் ஜநரல் , தேசிய நிறுவனம் க்கு கடல் அறிவியல் பிரான்ஸ் , வணிக பள்ளி பாரிஸ் , அலையன்ஸ் உலகளாவிய பெருநிறுவன , அலையன்ஸ் ஆபத்து ஆலோசனை , டோனி கொக்கி , அடித்தளம் தொழில்கள் , தேசிய நிறுவனம் , கடல் அறிவியல் , அலையன்ஸ் பிரான்ஸ் , மையம் டி மார்சேய் ,