Latest Space News
Fri, 30 Sep 2022 17:42:25 +0000
The Space Surveillance Telescope, declared operational Sept. 30, will join the network of sensors used by the United States, Australia and other allies to track objects in orbit The post Space surveillance telescope developed by the U.S. begins operations in Australia appeared first on SpaceNews.
Fri, 30 Sep 2022 16:33:25 +0000
The National Space Council plans to hold “learning sessions” with industry in coming weeks on how to develop a new regulatory framework for novel commercial space activities. The post National Space Council to seek industry input on future regulatory framework appeared first on SpaceNews.
Fri, 30 Sep 2022 15:21:01 +0000
The Space Force expects to know by next spring what capabilities it will need to carry out space domain awareness activities in cislunar space. The post Space Force studying requirements for cislunar space domain awareness appeared first on SpaceNews.
Fri, 30 Sep 2022 12:34:04 +0000
SEOUL, South Korea — South Korea’s science ministry plans to set aside 47.2 billion won ($32.9 million) in next year’s budget to launch two satellites that have been left grounded because of Western sanctions on Russia over the war in Ukraine. Once the requested budget is endorsed by congress, the ministry will nix the existing […] The post South Korea seeks $32.9 million to launch satellites grounded by Russia sanctions appeared first on SpaceNews.
Fri, 30 Sep 2022 12:30:22 +0000
NASA and SpaceX announced Sept. 29 they will study a concept to send a Crew Dragon spacecraft to reboost, and possibly service, the Hubble Space Telescope to extend its life. The post NASA and SpaceX to study possible private Hubble servicing mission appeared first on SpaceNews.
Fri, 30 Sep 2022 00:02:51 +0000
The Senate on Sept. 29 confirmed the nomination of Lt. Gen. B. Chance Saltzman for promotion to general and assignment as the chief of space operations of the U.S. Space Force The post Senate confirms Saltzman as next chief of the U.S. Space Force appeared first on SpaceNews.
Thu, 29 Sep 2022 22:38:56 +0000
Viasat said Sept. 29 its inaugural ViaSat-3 satellite has started environmental tests after being put into flight configuration for the first time. The post First ViaSat-3 enters environmental testing appeared first on SpaceNews.
Thu, 29 Sep 2022 21:51:24 +0000
4iG, a Hungarian provider of terrestrial communications, plans to buy a majority stake in Israeli satellite operator Spacecom in stages following resistance from Israel’s government. The post Hungary’s 4iG to buy a majority of Spacecom in stages appeared first on SpaceNews.
Thu, 29 Sep 2022 21:14:23 +0000
Air Force Secretary Frank Kendall said China and Russia "have been working on offensive capability to counter our space systems." The post Kendall: Power competition in space becoming more destabilizing appeared first on SpaceNews.
Thu, 29 Sep 2022 20:23:07 +0000
Nearly two-thirds of the debris tracked from last year’s Russian anti-satellite (ASAT) test has since deorbited, but it could take more than a decade for the rest to reenter. The post Majority of tracked Russian ASAT debris has deorbited appeared first on SpaceNews.
Thu, 29 Sep 2022 16:39:10 +0000
The FCC adopted a new rule Sept. 29 that will shorten the time for satellite operators to deorbit low Earth orbit satellites from 25 to 5 years. The post FCC approves new orbital debris rule appeared first on SpaceNews.
Thu, 29 Sep 2022 11:44:34 +0000
NASA and Astra Space have revised a launch contract originally awarded for the launch of a cubesat constellation after Astra retired the launch vehicle that would have launched those spacecraft. The post NASA and Astra modify TROPICS launch contract appeared first on SpaceNews.
Thu, 29 Sep 2022 10:24:01 +0000
Ahead of a Federal Communications Commission vote on a proposal to set a five-year deadline for deorbiting low Earth orbit satellites, leaders of the House Science Committee are questioning the FCC’s authority to do so. The post House committee questions FCC orbital debris rule appeared first on SpaceNews.
Thu, 29 Sep 2022 00:05:41 +0000
With space essential to military operations, better understanding of what objects are in orbit and the threats they may pose is “foundational” for space security, a Space Force general said. The post Guetlein: improved space domain awareness essential for national security appeared first on SpaceNews.
Wed, 28 Sep 2022 23:45:04 +0000
Some space company leaders are embracing the trend toward remote work. Others caution against it. In any case, the pandemic has changed the calculus for current and prospective employees. The post Shift to remote work draws mixed reactions appeared first on SpaceNews.
Wed, 28 Sep 2022 23:12:00 +0000
Rep. Doug Lamborn (R-Colo.), a key congressional proponent of establishing a Space National Guard, said he would consider an alternative proposal endorsed by Space Force leaders and by the Biden administration. The post Lamborn: ‘Merit on both sides’ of debate over Space National Guard appeared first on SpaceNews.
Wed, 28 Sep 2022 19:12:10 +0000
Lynk Global said Sept. 28 it will test the ability to send a 5G signal from a satellite launching in December to standard mobile devices, after getting funding for the demonstration from an undisclosed partner. The post Lynk Global to deploy experimental 5G payload in December appeared first on SpaceNews.
Wed, 28 Sep 2022 19:10:20 +0000
The NRO awarded study contracts to commercial RF providers Aurora Insight, HawkEye 360, Kleos Space, PredaSAR, Spire Global and Umbra Lab. The post NRO signs agreements with six commercial providers of space-based RF data appeared first on SpaceNews.
Wed, 28 Sep 2022 11:00:05 +0000
Kayhan Space, and partners Astroscale US and the University of Texas at Austin, won a U.S. Space Force contract to develop software for in-orbit servicing vehicles. The post Kayhan, Astroscale, UT Austin win Space Force study contract for in-orbit servicing technology appeared first on SpaceNews.
Wed, 28 Sep 2022 07:35:22 +0000
China is looking to build partnerships for its upcoming missions to the moon and deep ventures into the solar system, while omitting mention of main partner Russia. The post China seeks new partners for lunar and deep space exploration appeared first on SpaceNews.
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  • CV: Post-doctoral researcher

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:03-04-2014
     Last Modified:20-02-2015 (01:20)
    Job information
     Current job:Post-doctoral researcher
     Employment Term:Temp/Contract
     Job location:Europe only
     Date available:immediately
     Industry:Civil Agencies/International Organizations
     Keywordsatomic gravimeter – gradiometer - atom cooling - laser physics - optics - inertial sensors - physics test with space interferometers - atomic clocks - interaction light matter - electric fundamental metrology - seismology
    CV

    Doctor in atomic physics

    age : 30 , french

     

    Professional experience

     

    Since september 2013: “Atom interferometry gradiometer for the determination of the Newtonian gravitational constant G” at INFN and LENS, Florence, Italy.

     

    I presently work on the metrological experiment MAGIA, which has recently measured the Newtonian constant with a relative uncertainty of 10-4. I am developing a new large area gravity gradiometer in order to increase again the sensitivity of the experiment toward the gravitational waves detection limit.

     

    2011 - 2013     (2 years): European Space Agency (ESA) Post-Doc: “SAI, Space Atom Interferometer”: Florence, Italy.

     

    I was responsible of the experimental development of the SAI project, led the European Space Agency which coordinates 9 laboratories of excellence in Italy, France and Germany. The SAI project investigates both experimentally and theoretically the various aspects of placing atom interferometers in space: the equipment needs, the realistically expected performance limits and potential scientific applications in a micro-gravity environment. I have demonstrated in the laboratory that the SAI prototype is able to perform space atom interferometry successfully.

     

    2007  (3 years)  Doctorate thesis: “Atom Gravimetry: Improvement of Accuracy and New Geometries”, with highest distinction (très honorable), at Université Pierre et Marie Curie, Paris 6, and Observatoire de Paris – SYRTE.  Grant delivered by the CNRS and by the CNES.

     

    The goal of the absolute gravimeter of the Observatoire de Paris - SYRTE is to measure the gravitational acceleration with a relative accuracy of 10-9for the metrological "watt balance" project, led by the Laboratoire National d’Essai (LNE). During my thesis, we developed a new vacuum chamber, which allowed us to evaluate the limiting systematic errors. The gravimeter uses atom interferometry, where a cold cloud of 87Rb atoms in free fall is manipulated thanks to two-photon transitions. We reduced the measurement uncertainty below the goal, except for laser wave-front aberration effects. In parallel, we developed three new methods of atom interferometry measurement for space fundamental research and on-board applications.

     

    2007  (6 month) Master 2 training period: nano-robots fabrication, Laboratoire de Photo-Physique Moléculaire, LPPM, Orsay.

     

    This consisted in the manipulation of nano-sticks with the tip of an Atomic Force Microscope.

     

     

    Education

     

    2010    Ph.D. in atomic physics at Université Pierre et Marie Curie UPMC Paris 6 carried through the Observatoire  de Paris – SYRTE (Space Time Reference System) in the research group of A. Landragin:  “atom interferometry and inertial sensor”.

     

    2007      Master: atoms and molecules experimental physicsat UPMC

     

    2006      Bachelor: fundamental physics at UPMC

     

    2004      Two years diploma (french Deug): Mathematics at UPMC

     

    Professional skills

     

    Skills:   atomic gravimeter - gradiometer - atom cooling - laser physics - optics - inertial sensors - physics test with space interferometers - atomic clocks - interaction light matter - electric fundamental metrology - seismology - european project coordination                

     

    Language:    french, english, italian, german (basic)

     

    Softwares:     matlab, origin

     

    Articles

     

    “Operating an atom interferometer beyond its linear range”, Metrologia 46, 87–94 (2009)

    “A cold atom pyramidal gravimeter with a single laser beam”, Appl. Phys. Lett.96, 134101 (2010), described in Nature Photonics 4, 340 - 341 (2010)  and Laser Focus World.

    “Comparison between two mobile absolute gravimeters : optical versus atomic interferometers”, Metrologia 47, L9-L11 (2010)

    “Double diffraction in an atomic gravimeter”, Physical Review A 81, 013617, (2010)

    “Comparison of 3 absolute gravimeters based on different methods for the e-MASS project” : IEEE (2010)

    “The influence of transverse motion within an atomic gravimeter New J. Phys. 13 065025 (2011)

    “The 8th International Comparison of Absolute Gravimeters 2009”: Metrologia, 49(6), 666-684 (2012)

     “Simultaneous measurement of gravity acceleration and gravity gradient with an atom interferometer”: Appl. Phys. Lett. 101, 114106 (2012)

    “Precision Gravity Tests with Atom Interferometry in Space”:Nuclear Physics B – Proceedings Supplements 243-244-203, (2013)

    “Principles of gravitational waves detection through atom interferometry”: International Journal of Modern Physics: Conference Series, 23 135-143, (2013)

    “Sensitivity limits of a Raman atom interferometer as a gravity gradiometer”, Physical Review A89, 023607 (2014)

    “Détermination de g pour la balance du watt”, Revue française de métrologie,n° 36, Vol. 2014-4, 11-27

     

    International conferences

     

    “IAG : Symposium on terrestrial Gravimetry, static and mobile measurements”, Saint Petersburg, Russia

    “EGAS : European Group On Atomic Systems ”, Gdansk, Poland

    “YAO : Young Atom Opticians”, Vienna, Austria

    “Quantum Meets Gravity and Metrology”, BadHonnef, Germany - 2nd best poster-Deutsche Physical Gesellschaft


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