Latest Space News
Mon, 25 May 2020 01:04:22 +0000
A report sent to Congress last week proposing changes to Space Force acquisition programs was an “initial version” and not the final product, the Air Force said. SpaceNews.com
Mon, 25 May 2020 00:00:24 +0000
To get a new, state-of-the-art crewed spacecraft ready to carry astronauts, SpaceX and NASA had to overcome problems with a technology long thought to be understood. SpaceNews.com
Sun, 24 May 2020 17:10:50 +0000
SpaceNews Senior Staff Writer Jeff Foust and Editor-in-Chief Brian Berger lead a live panel discussion about NASA's use of public-private partnerships to develop lunar landers that could return astronauts to the surface of the moon as soon as 2024. Featuring Draper, Dynetics and the Commercial Spaceflight Federation. SpaceNews.com
Sun, 24 May 2020 01:49:38 +0000
While both the president and vice president plan to attend the Demo-2 commercial crew launch, there will be far fewer people attending the first American human orbital spaceflight in nearly a decade than once expected. SpaceNews.com
Sat, 23 May 2020 20:36:35 +0000
Virgin Orbit says that it’s ready for its first orbital launch attempt, scheduled for May 24, while acknowledging potentially long odds of successfully placing a payload into orbit. SpaceNews.com
Fri, 22 May 2020 23:05:28 +0000
NASA has given SpaceX approval to proceed with final preparations for the first commercial crew mission with astronauts on board, although there is still work to complete ahead of the planned May 27 launch. SpaceNews.com
Fri, 22 May 2020 15:58:59 +0000
Join us the day after NASA’s Demo-2 commercial crew mission, scheduled to launch May 27, for a SpaceNews Live discussion with Maj. Gen. John Shaw, the two-star general responsible for ensuring the renowned 45th Operations Group’s Detachment 3 team is ready at a moment’s notice to lead astronaut-recovery operations.  SpaceNews.com
Fri, 22 May 2020 12:55:39 +0000
Many space companies began working with their banks to apply as soon as PPP was unveiled in March, but were frustrated when the initial tranche of $320 million was committed in less than two weeks. SpaceNews.com
Thu, 21 May 2020 22:56:58 +0000
The U.S. Space Force is asking for changes in the rules that currently are in place for buying new weapon systems. SpaceNews.com
Thu, 21 May 2020 21:55:30 +0000
Satellite imaging companies are embracing long-awaited reforms to commercial remote sensing regulations, although one member of Congress doesn’t think the changes go far enough. SpaceNews.com
Thu, 21 May 2020 20:46:49 +0000
SDA wants information on "potential launch solutions" for its first 30 satellites to be deployed in low Earth orbit. SpaceNews.com
Thu, 21 May 2020 17:12:00 +0000
Bruno Carvalho, D-Orbit’s vice president of business development, said the company hopes to launch one of its InOrbit Now (ION) propulsive cubesat deployers every two to three months after proving out the system and lining up customers.  SpaceNews.com
Thu, 21 May 2020 15:30:04 +0000
Preparations for the launch of a SpaceX commercial crew test flight with two NASA astronauts on board are continuing despite the unexpected departure of the head of the agency’s overall human spaceflight program. SpaceNews.com
Thu, 21 May 2020 11:53:09 +0000
The Senate Commerce Committee backed the nomination of Neil Jacobs to be the head of NOAA May 20, despite some lingering concerns by some members. SpaceNews.com
Thu, 21 May 2020 00:03:53 +0000
Space Force will have a field command focused on acquisition that will bring together several existing organizations SpaceNews.com
Wed, 20 May 2020 21:50:21 +0000
Virgin Orbit announced May 20 it will make the first flight of its LauncherOne air-launched vehicle as soon as May 24, but is setting modest expectations about the probability of success. SpaceNews.com
Wed, 20 May 2020 21:31:08 +0000
The agreement was signed last week between Maj. Gen. Javier Tuesta Marquez, of Peru's space agency, and Rear Adm. Marcus Hitchcock of U.S. Space Command. SpaceNews.com
Wed, 20 May 2020 20:56:23 +0000
Mike Griffin, undersecretary of defense for research and engineering, said DoD will seek help from Congress to get the FCC to reverse its decision. SpaceNews.com
Wed, 20 May 2020 19:54:23 +0000
The longtime chief executive of Ruag Space, Peter Guggenbach, is leaving to “take on a new challenge outside the company,” Ruag announced May 19. SpaceNews.com
Wed, 20 May 2020 17:00:49 +0000
NASA announced May 20 it is renaming a major space telescope under development after an astronomer who led the agency’s early work in space-based astronomy, even as the mission remains under threat of cancellation. SpaceNews.com
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  • CV: PhD 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:18-10-2013
     Last Modified:18-10-2013 (09:34)
    Job information
     Current job:PhD researcher
     Employment Term:Temp/Contract
     Job location:Europe only
     Date available:>3months
     Industry:,
     Keywords6+ years working with powerful Laser and Advanced Opitcal systems; currently doing a PhD research project for European Space Agency; data analysis using OriginPro, Matlab and Mathematica. Programmin with Visual C++, .NET, FORTRAN, Python; Languages: Chin
    CV

    Summary

    PhD student in Department of Physics at Vrije Universiteit Amsterdam. From 2002 to 2006, Ziyu studied his Bachelor program of physics at Nanjing University of Science and Technology, China. After that he worked as a network manager in MetLife, Inc in Nanjing, China. From 2008 to 2010, he followed a Master Program of experimental physics at Leiden University, where he did two of 8-month research projects. The first project was to design and to couple light into optical waveguides with 200 nm thickness. The second project was to produce and to align Gold Nanorods (typically 10 nm x 10 nm x 80 nm) in both electric and magnetic fields. From 2010 until now, Ziyu is doing his PhD research in Department of Physics at Vrije Univesiteit Amsterdam. His research project is a laboratory study of Rayleigh-Brillouin scattering in Air and other gases. This project is required and funded by European Space Agency (ESA) for its first satellite based LIDAR (Aeolus) project. Ziyu Gu has also reported the results of this project in three scientific journals and in several international conferences. Next to his research project, Ziyu has obtained his driving license in the Netherlands, followed a Dutch language course and obtained the Inburgerings diploma (A2 voor werk). Additionally, Ziyu has been granted a permanent residence by Dutch government, which permits him to live and work freely in the European Union.

     

    Work Experience

    June 2010 ~ May 2014 (expect): PhD researcher and teaching assistant at Vrije Universiteit Amsterdam, conducting laboratory study of Rayleigh-Brillouin scattering for the European Space Agency’s ADM Aeolus Lidar project under contract ESTEC-21396/07/NL/HECCN-2.

    Major work:

    Ø  Maintaining, aligning and operating Millennia laser and Titanium: Sapphire laser;

    Ø  Designing and building SHG (second harmonic generation) cavity, enhancement cavity Febry-Perot interferometer and other optical systems;

    Ø  Using Python and Shell to integrate and control the measuring devices and record data;

    Ø  Using Matlab to analyze the obtained raw data and using FORTRAN code to calculate the theoretical models for comparison;

    Ø  Improving the numerical models developed by Canadian scientists in 1970s;

    Ø  Writing regular (every 2 months) progress reports to ESA and giving 3-hour presentation in regular (every 3 months) progress meetings.

    Ø  Writing scientific articles and participating scientific conferences

    Ø  Assisting the course Van Quantum tot Molecuul in 2012 and 2013

     

    Sept 2009~May 2010: Research project 2 for the Master degree at Leiden University.

    Major work:

    Ø  Synthesizing Gold Nanorods with a length from 30 nm to 60 nm and a width from 30 nm to 8 nm (aspect ratio from 2.0 to 4.3);

    Ø  Operating the scanning electron microscope (1 nm resolution) to investigate the size of Gold Nanorods;

    Ø  Aligning home-made Gold Nanorods in a weak electric field;

    Ø  Aligning home-made Gold Nanorods in a strong magnetic field (up to 34 teslas) at Radbound University Nijmegen;

    Ø  Writing research thesis and scientific articles.

    Ø  Oral presentation in the university

     

    Sept 2008~Apirl 2009: Research project 2 for the Master degree at Leiden University.

    Major work:

    Ø  Designing the 2-dimensional and 3-dimensional optical waveguides with a typical thickness of 200 nm;

    Ø  Using Optical Coherence Tomography (OCT)and Microscopy to investigate the quality of the waveguides produced by Delft University of Technology;

    Ø  Coupling laser light into the optical waveguides;

    Ø  Writing research thesis

    Ø  Oral presentation in the university

     

    Sept 2006~Jul 2007: Network Manager in MetLife, Inc in Nanjing, China

     

    Education:

    June 2010 ~ May 2014 (expect): PhD study at Vrije Universiteit Amsterdam in the Netherlands,

     

    Sept 2008 ~ May 2010: Master study of experimental track in department of physics, Leiden University.

    Completed courses: Nanotechnology; Quantum Theory; Quantum Optics & Quantum Information; Single Molecular Optics; Statistical Physics

     

    Sept 2002~ Aug 2006:A bachelor student studying Science & Technology of Optics in Nanjing University of Science and Technology, one of the top 50 universities in China.

     

    Publications

    Ziyu Gu, Benjamin Witschas, Willem van de Water, Wim Ubachs
    Rayleigh-Brillouin scattering profiles of air at different temperatures and pressures
    Appl. Opt. 52, 4640-4651 (2013)

     

    Ziyu Gu, Wim Ubachs
    Temperature-dependent bulk viscosity of nitrogen gas determined from Rayleigh-Brillouin scattering
    Optics Letters 38, 1110-1112 (2013)

     

    Ziyu Gu, Maria Ofelia Vieitez, Eric-Jan van Duijn, Wim Ubachs
    AN INSTRUMENT FOR ACCURATE MEASUREMENT OF RAYLEIGH-BRILLOUIN SCATTERING PROFILES AROUND ATMOSPHERIC CONDITIONS
    Proceedings of 26th International Laser Radar Conference, Volume I, at Porto Heli, Greece, June 2012

     

    Ziyu Gu, Maria Ofelia Vieitez, Eric-Jan van Duijn, Wim Ubachs
    A Rayleigh-Brillouin scattering spectrometer for ultraviolet wavelengths
    Rev. Sci. Instrum. 83, 053112 (2012)

     

    Peter Zijlstra, Marijn van Stee, Nico Verhart, Ziyu Gu, Michel Orrit
    Rotational diffusion and alignment of short gold nanorods in an external electric field
    Phys. Chem. Chem. Phys. 14, 4584-4588 (2012)

     

    Conferences

    Ø  26th International Laser Radar Conference, Proto Heli, Greece, 2012

    Ø  Annual Meeting NNV AMO, Lunteren, Netherlands, in 2010, 2011, 2012, and 2013

     

    Computer skills

    Mathematical & Physical tools: Mathematica, Maple, Matlab, MaxIm DL, LabView OriginPro

    Programming: Visual C++, Visual .NET, FORTRAN, Python, ASP, SQL, HTML/XML

    General: Operation system managing (Windows and Linux), network managing, computer hardware integrating, website design, Microsoft office, Latex

     

    Languages

    Chinese (native), English (Full professional proficiency), Dutch (B1)

     

    Personal Interests

    Thinking, Reading, writing, history, travelling, football, geography, chess


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