Latest Space News
Mon, 27 Mar 2017 11:27:00 +0100
Astronomers have uncovered a supermassive black hole that has been propelled out of the center of a distant galaxy by what could be the awesome power of gravitational waves. Though there have been several other suspected, similarly booted black holes elsewhere, none has been confirmed so far. Astronomers think this object, detected by NASA's Hubble Space Telescope, is a very strong case. Weighing more than 1 billion suns, the rogue black hole is the most massive black hole ever detected...
Fri, 24 Mar 2017 22:43:00 +0100
Around 250 million measurements taken by ESA's CryoSat over the last six years have been used to create a unique 3D view of Antarctica, offering a snapshot of the undulating surface of this vast ice sheet. CryoSat's radar altimeter detects tiny variations in the height of the ice across the entire continent, including on the steeper continental margins where the vast majority of ice losses occur. Importantly, the satellite's orbit takes it to latitudes within 200 km of the north and south ...
Fri, 24 Mar 2017 21:30:00 +0100
NASA has selected a science mission that will measure emissions from the interstellar medium, which is the cosmic material found between stars. This data will help scientists determine the life cycle of interstellar gas in our Milky Way galaxy, witness the formation and destruction of star-forming clouds, and understand the dynamics and gas flow in the vicinity of the center of our galaxy. The Galactic/Extragalactic ULDB Spectroscopic Terahertz Observatory (GUSTO) mission, led by principal in...
Fri, 24 Mar 2017 14:39:00 +0100
Information from ESA's magnetic field Swarm mission has led to the discovery of supersonic plasma jets high up in our atmosphere that can push temperatures up to almost 10 000oC. Presenting these findings at this week's Swarm Science Meeting in Canada, scientists from the University of Calgary explained how they used measurements from the trio of Swarm satellites to build on what was known about vast sheets of electric current in the upper atmosphere. The theory that there are huge electri...
Thu, 23 Mar 2017 08:36:00 +0100
Designers of future Moon missions and bases have to contend with a chilling challenge: how might their creations endure the fortnight-long lunar night? ESA has arrived at a low-cost way of surviving. During prolonged night, when the surface is lit only by blue Earthlight, temperatures dip below -170C. Some locations at higher latitudes have shorter nights, though others have much longer or even permanent darkness. Numerous robotic missions have perished during this prolonged cold. Russia'...
Wed, 22 Mar 2017 19:19:00 +0100
Consider that the Earth is just a giant cosmic dust bunny-a big bundle of debris amassed from exploded stars. We Earthlings are essentially just little clumps of stardust, too, albeit with very complex chemistry. And because outer space is a very dusty place, that makes things very difficult for astronomers and astrophysicists who are trying to peer farther across the universe or deep into the center of our own galaxy to learn more about their structure, formation and evolution. Buildi...
Wed, 22 Mar 2017 15:00:00 +0100
From its final orbit location 22,000 miles above the equator, the third Lockheed Martin-built (NYSE: LMT) Space Based Infrared System (SBIRS) satellite recently sent its first images back down to Earth, a milestone known as "first light."   The satellite was launched on Jan. 20 aboard a United Launch Alliance Atlas V rocket and is the third in a series of Geosynchronous Earth Orbit (GEO) satellites that the U.S. Air Force uses to provide faster and more accurate missile ...
Wed, 22 Mar 2017 14:47:00 +0100
Space Situational Awareness remains a key priority for armed forces capable of operating above the Earth. Space is now extremely contested, congested and competitive as more and more countries and organisation gain access to space technology. However, high amounts of orbiting traffic is not the only threat; space weather, debris and ground based electronic and cyber threats could also have a massive impact on our operations by disrupting satellite activity and therefore military ability on the...
Wed, 22 Mar 2017 08:33:00 +0100
Arianespace’s second Ariane 5 launch of 2017 has been rescheduled for March 23, as continuation of the social movement in French Guiana has prevented today’s transfer of the heavy-lift vehicle to its ELA-3 launch zone. If the situation permits, the mission – designated Flight VA236 in Arianespace’s numbering system – will lift off on March 23 as early as possible within the following window: Between 4:31 p.m. and 7:20 p.m., Washington D.C. time Between ...
Tue, 21 Mar 2017 15:30:00 +0100
Rosetta scientists have made the first compelling link between an outburst of dust and gas and the collapse of a prominent cliff, which also exposed the pristine, icy interior of the comet. Sudden and short-lived outbursts were observed frequently during Rosetta's two-year mission at Comet 67P/Churyumov-Gerasimenko. Although their exact trigger has been much debated, the outbursts seem to point back to the collapse of weak, eroded surfaces, with the sudden exposure and heating of volatile m...
Tue, 21 Mar 2017 10:00:00 +0100
ESA's Swarm satellites are seeing fine details in one of the most difficult layers of Earth's magnetic field to unpick - as well as our planet's magnetic history imprinted on Earth's crust. Earth's magnetic field can be thought of as a huge cocoon, protecting us from cosmic radiation and charged particles that bombard our planet in solar wind. Without it, life as we know it would not exist. Most of the field is generated at depths greater than 3000 km by the movement of molten iron in ...
Mon, 20 Mar 2017 22:21:00 +0100
Teledyne Technologies Incorporated (NYSE:TDY) announced today that its subsidiary, Teledyne Scientific & Imaging, LLC (TS&I), was awarded a $9.98 million contract from the French Space Agency, the Centre National d'Etudes Spatiales (CNES), to provide infrared detectors and electronics for the European Space Agency (ESA) JUICE mission to Jupiter. JUICE is expected to launch in 2022 and reach Jupiter in 2030 to undertake a three and a half year study of Jupiter and three of its moons: Callisto, Ga...
Mon, 20 Mar 2017 15:57:00 +0100
Serionix, a startup fundamentally changing the way we look at air, received a $750,000 contract from NASA to fund continued development of filters to remove toxic gases from next-generation spacesuit life support systems. The same technology is on its way into consumer products expected to launch within the year. Poor indoor air quality is widely associated with significant negative health impacts; however, as awareness of this connection increases, Serionix is committed to making air fresher...
Mon, 20 Mar 2017 13:02:00 +0100
Orbital ATK (NYSE:OA), a global leader in aerospace and defense technologies, provided propulsion, composite and spacecraft technologies to enable the successful launch of both the United Launch Alliance (ULA) Delta IV rocket and the ninth Wideband Global SATCOM (WGS-9) satellite that was launched yesterday from Cape Canaveral Air Force Station, Florida. "Orbital ATK's is proud to contribute a number of key technologies to ULA's Delta IV launch vehicle," said Scott Lehr, President of Orbital ...
Mon, 20 Mar 2017 09:01:00 +0100
Arianespace’s dual-payload mission to orbit telecommunications satellites for Brazil and South Korea has been given the go-ahead for a March 21 liftoff from the Spaceport in French Guiana, carrying the SGDC and KOREASAT-7 relay platforms. The approval came at the completion of today’s Launch Readiness Review, which confirmed the “go” status of Ariane 5, its two payloads, the Spaceport launch infrastructure and the network of flight trajectory tracking stations. Th...
Sun, 19 Mar 2017 02:45:00 +0100
A United Launch Alliance (ULA) Delta IV rocket carrying the ninth Wideband Global SATCOM (WGS-9) satellite for the United States Air Force lifted off from Space Launch Complex-37 on March 18 at 8:18 p.m. EDT. "This launch commemorates the 70th anniversary of the USAF." said Laura Maginnis, ULA vice president of Government Satellite Launch. "We are absolutely honored to play a role in this important milestone, while safely delivering WGS-9 to orbit." This mission was launched aboard a Delta...
Sun, 19 Mar 2017 02:42:00 +0100
Boeing’s [NYSE: BA] ninth Wideband Global SATCOM (WGS) satellite launched into orbit today and will provide the United States and six allied nations with increased communications capabilities to prevent, protect against and respond to attacks. The WGS-9 satellite was funded through an agreement between the United States and Canada, Denmark, Luxembourg, the Netherlands and New Zealand, and will also serve Australia (which funded the WGS-6 satellite). Each partner country gains access t...
Fri, 17 Mar 2017 11:14:00 +0100
ESA astronaut Thomas Pesquet will make two more spacewalks under NASA's plans to maintain the International Space Station during his mission. Though intended for the end of March and April, the dates may change because the sorties require equipment yet to be launched on a Cygnus supply vessel. The first will see Thomas and NASA astronaut Shane Kimbrough head outside to install a new computer, work on the electrical power distribution system, and disconnect a docking adapter to allow its mo...
Thu, 16 Mar 2017 15:00:00 +0100
Demanding electric, magnetic and power requirements, harsh radiation, and strict planetary protection rules are some of the critical issues that had to be tackled in order to move ESA's Jupiter Icy Moons Explorer - Juice - from the drawing board and into construction. Scheduled for launch in 2022, with arrival in the Jovian system in 2029, Juice will spend three-and-a-half years examining the giant planet's turbulent atmosphere, enormous magnetosphere, its set of tenuous dark rings and its sa...
Thu, 16 Mar 2017 11:00:00 +0100
The ExoMars Trace Gas Orbiter has completed another set of important science calibration tests before a year of aerobraking gets underway. The mission was launched a year ago this week, and has been orbiting the Red Planet since 19 October. During two dedicated orbits in late November, the science instruments made their first calibration measurements since arriving at Mars. The latest tests were carried out 5-7 March from a different orbit, and included checking procedures associated with ...
More space news...
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  • CV: Optical engineer

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    Personal information
     Name:<withheld>
     Age:<withheld>
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    Contact information
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    Candidate Profile
     Date Submitted:06-05-2008
     Last Modified:03-08-2009 (03:28)
    Job information
     Current job:Optical engineer
     Employment Term:Permanent
     Job location:Anywhere
     Date available:immediately
     Industry:Consulting/Engineering Services
     KeywordsOptical instrumentation, optical design, optical fabrication and optical testing
    CV

                                                                         

    PROFESSIONAL SYNOPSIS

     

    ·         A Keen implementer with skills in conceptualising and initialising the process to enhance efficiency of operations.

    ·   Skilled at handling multiple tasks/projects simultaneously in challenging environments with excellent team spirit and management skills.

    TECHNICAL SKILLS

     

    ZEMAX, R S O F T,  MATLAB, ASAP, LAB VIEW,FTM Manager

     


    COMPUTER PROFICIENCY 

    Operating systems           :  Windows, Linux (learning stage)

    Languages                      :  C, C++

    Package                         :  Circad 98, Origin 

     


     

    WORK EXPERIENCE

     

    Organization: Central Scientific Instruments Organisation (CSIO), CHANDIGARH  INDIA 

    Designation: scientist Gr. IV (I)

    Department : Advanced Optical Processing Division

     

    ASSIGNMENTS

     

    • Design, fabrication and testing aspheric and other key optical components and devices.
    • Provide ZEMAX consultancy as well as training.

    ·         Hands on experience at NANOFORM 250-Single Point Diamond Turning Machine (SPDT), Coherence Correlation Interferometer (CCI) and Form Talysurf manufactured by Taylor Hobson.

    ·         Working Experience on various lasers like argon Laser, He-cd Laser, Coherent verdi laser etc. and interferometers such as Zygo, Michelson, Linik, Mireau etc.

     

     


    ACADEMIC BACKGROUND

     

    Ph.D. Dissertation:      Development of full-field swept-source optical coherence tomographic       system  for scientific and engineering applications

                                       (April 2009)

                                          Organization: Indian Institute of Technology  (IIT) Delhi, India

     

    Master of Technology      Applied Optics, May 2004

    (M. Tech.)                     Organization: Indian Institute of Technology  (IIT) Delhi, India

                                        CGPA: 7.61/10

     

    Master of Science            Physics, May 2002

    (M. Sc.)                          Organization: Indian Institute of Technology  (IIT) Chennai, India

                                          CGPA: 7.03/10

     

    Bachelor of Science         Electronics, May 2000

    (B. Sc.)                          Organization: Sri Bhagwan Mahaveer Jain college, Bangalore, India

                                         Marks : 61%

     


    SCHOLARSHIPS/AWARDS/POSITIONS HELD

     


    ·         MHRD (Govt. of India) Scholarship at IIT Delhi during M.Tech. Programme.

    ·         Qualified GATE (Graduate Aptitude Test in Engineering) 2002 with all India rank (AIR) 171.

    ·         Member of organizing committee, TELEMEDICINE, a one day seminar jointly conducted by IIT Delhi and Indian National Academy of Engineering (INAE), Delhi chapter.

    ·         Institute scholarship at Indian Institute of Technology Madras (IITM), India (2000- 2002).

    ·         Social Secretary at IIT Madras (2001-2002)

    ·         Recipient of the Uttar Pradesh State Scholarship award from 1994 to 1997.

     


    PUBLICATIONS

     

        INTERNATIONAL JOURNALS

    ·         Satish Kumar Dubey, Tulsi Anna, Chandra Shakher and Dalip Singh Mehta, Fingerprint detection using full-field swept-source optical coherence tomography, Applied Physics Letters, Vol. 91, 181106, 2007.

    ·         Satish Kumar Dubey, Dalip Singh Mehta, Arun Anand and Chandra Shakher, “Simultaneous topography and tomography of fingerprints using full-field swept-source optical coherence tomography,” Journal of Optics A: Pure and Applied Optics, Vol. 10, 015307, 2008.

    ·         Satish Kumar Dubey, Dalip Singh Mehta, Amitava Roy and Chandra Shakher, Wavelength-scanning Talbot effect and its application for arbitrary three-dimensional step-height measurement,” Optics Communication, Vol. 45, Iss. 1, pp. 13-19, November 2007.

    ·         Dalip Singh Mehta, Satish Kumar Dubey, Chandra Shakher, and Mitsuo Takeda, “Two-wavelength Talbot effect and its application for three-dimensional step-height measurement,” Applied Optics, Vol. 45, Iss. 29, October 10, pp. 7602-7609, 2006.

    ·         Dalip Singh Mehta, Satish Kumar Dubey, Md. Mosarraf Hossain, and Chandra Shakher, “Simple multi-frequency and phase shifting fringe projection system based on two-wavelength lateral shearing interferometry for three-dimensional profilometry,” Vol. 35, Iss. 35, pp. 7515-7521, Applied Optics December 2005.

    ·         Satish Kumar Dubey, Dalip Singh Mehta, Arun Anand, Tulsi Anna and Chandra Shakher, High resolution full-field swept-source optical coherence tomography in structural studies of composite materials, Journal of Optics A: Pure and Applied Optics, under review.

     

    CONFERENCES

     

    ·         Satish Kumar Dubey, Gyanendra Sheoran, Tulsi Anna, Arun Anand, Dalip Singh Mehta and Chandra Shakher, Artwork diagnostics using full-field swept-source optical coherence tomography,” submitted to International Congress on Optics (ICO) 2008, Sydney, Australlia.

    ·         Satish Kumar Dubey, Gyanendra Sheoran, Tulsi Anna, Arun Anand, Dalip Singh Mehta and Chandra Shakher, Full-field swept-source optical coherence tomography with precise Fourier filtering,” accepted at 9th International Symposium on Laser Metrology (LM2008), Singapore.

    ·         Tulsi Anna, Dalip Singh Mehta, Satish Kumar Dubey, Raj Ranjan Mishra and Chandra Shakher,Structural characterization of textile fibers and composite polymer by high resolution full field SS-OCT system based on Linik microscope interference ,” Nano-photonic Symposium, IIT Delhi, March 2008.

    ·         Satish Kumar Dubey, Gyanendra Sheoran, Tulsi Anna, Dalip Singh Mehta and Chandra Shakher, “swept-source optical coherence tomography in the study of particle concentration in a medium,” Proceedings, Indo Japanese Workshop, IIT Delhi, Dec. 2007.

    ·         Gyanendra Sheoran, Md. Mosarraf Hossain, Satish Kumar Dubey, Dalip Singh Mehta and Chandra Shakher, “Contouring of diffused objects by using lensless Fourier transform digital holography and dual-index immersion method,” Proceedings, Indo Japanese Workshop, IIT Delhi, Dec. 2007.

    • Satish Kumar Dubey, Gyanendra Sheoran, Dalip Singh Mehta, and Chandra Shakher, “Wavelength-scanning Talbot effect and it’s applications,” Proceedings, XXXII Optical Society of India (OSI) Symposium on Contemporary Optics And Applications, M. S. University Of Baroda, Vadodara, March 2007.
    • Satish K. Dubey, Dalip S. Mehta, Indrajeet Rai, N. Devadas, and Chandra Shakher, “Development of Swept-Source Optical Coherence Tomographic System Using Acousto-Optic Tunable Filter,” Proceedings, National Conference on Emerging Trends in Physics, Electronics and Engineering Sciences, JSS College, Mysore, Karnataka, September 2006.
    • Satish Kumar Dubey,Raghavendra Singh Solanki, Dalip Singh Mehta and Chandra Shakher, “Synthesis of spatio-temporal optical coherence and it’s applications to profilometry,” Proceedings, International Conference on Optics and Optoelectronics (ICOL), IRDE Dehradun 2005.
    • Satish Kumar Dubey,Raghavendra Solanki, D. S. Mehta, M. S. Faridi and Chandra Shakher, “Longitudinal Spatial Coherence and its Applications,” Proceedings, XXX Optical Society of India Symposium on Optics and Opto-Electronics (SOOP-05), pp. 182-184, 2005.
    • D. S. Mehta, M. S. Faridi, Priti Singh, Md. Mosarraf Hossain, Satish Kumar Dubey and Chandra Shakher, “Three dimensional shape measurement using lateral shearing interferometry,” Proceedings, XXX Optical Society of India (OSI) Symposium on Optics and Opto-Electronics (SOOP-05), pp. 169-172, 2005.

    ·         Satish Kumar Dubey,Sneh Anand, Rajeev Yadav and Ryan Maladen, "Optical Imaging of Chakras (Hypothalamic Window) using Photoplethysmography," Proceedings, International Conference on Laser Applications and Optical Metrology (ICLAOM), IIT Delhi India 2003.

     


     PROJECTS UNDERTAKEN

    ·         Optical Imaging of Ajna Chakra (Hypothalamic Window) using Photoplethysmography (Project Guide: Dr P Senthilkumaran and Prof. Sneh Anand , IIT Delhi).

    ·         Study of Heart and Respiratory Rate Monitoring using Photoplethysmography (PPG) - Design of optical sensors and necessary electronics (Project Guide: Dr V S Murty, IIT Madras).

    ·         Study of optical amplification in Photorefractive crystals and Photorefractive polymers with some experimental verification.

    • Time Series Analysis using matlab at Instruments Research Development and Establishment (IRDE), a unit of DRDO, Dehradun, India (Project Guide: Dr  S  S Negi, IRDE Dehradun).
    • Measurement of Solar wind velocity using interplanetary scintillation (IPS) (Project Guide: Dr Janardhan Padmnabhan, Physical Research Laboratory (PRL) Ahemadabad).

     
    CURRENT EMPLOYMENT
     
    Organization: Hypertronics Pte. Ltd. Singapore
    Designation: Optics engineer
    Duration : From August 2008-till date
    Assignment : Machine Vision System, LCD Repair System and other Laser Processing Applications, Development of Green Laser

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