Latest Space News
Wed, 18 Jan 2017 16:00:00 +0100
At a ceremony today at ESO's Headquarters four contracts were signed for major components of the Extremely Large Telescope (ELT) that ESO is building. These were for: the casting of the telescope's giant secondary and tertiary mirrors, awarded to SCHOTT; the supply of mirror cells to support these two mirrors, awarded to the SENER Group; and the supply of the edge sensors that form a vital part of the ELT's huge segmented primary mirror control system, awarded to the FAMES consortium. The second...
Wed, 18 Jan 2017 09:00:00 +0100
On the heels of a successful launch of the first ten Iridium NEXT satellites on Saturday, January 14th, Aireon announced today that it has signed a data services agreement with Isavia, the Icelandic Air Navigation Service Provider (ANSP). Isavia will deploy Aireon's space-based Automatic Dependent Surveillance-Broadcast (ADS-B) service throughout the Reykjavik Oceanic Control Area (OCA). In addition to providing enhanced redundancy to existing terrestrial surveillance resources in the southern p...
Tue, 17 Jan 2017 17:30:00 +0100
The U.S. Air Force and Lockheed Martin (NYSE: LMT) will launch the next Space Based Infrared System (SBIRS) satellite on Jan. 19 aboard a United Launch Alliance Atlas V rocket. The launch window is between 7:46 and 8:26 p.m. EST. SBIRS GEO Flight 3 was designed and built at Lockheed Martin in Sunnyvale, California, as the next in a series of Air Force satellites that provide multi-mission surveillance in the areas of missile warning, missile defense, technical intelligence and battlespace awa...
Tue, 17 Jan 2017 15:00:00 +0100
New images taken with the Atacama Large Millimeter/submillimeter Array (ALMA) in Chile have revealed otherwise invisible details of our Sun, including a new view of the dark, contorted centre of a sunspot that is nearly twice the diameter of the Earth. The images are the first ever made of the Sun with a facility where ESO is a partner. The results are an important expansion of the range of observations that can be used to probe the physics of our nearest star. The ALMA antennas had been careful...
Tue, 17 Jan 2017 14:00:00 +0100
Raytheon (NYSE: RTN) reached another milestone in developing the U.S. Air Force Global Positioning System Next-Generation Operational Control System, known as GPS OCX, with the completion of the Factory Qualification Test of the Launch and Checkout System (LCS). GPS OCX will unleash dramatically increased performance and security of the GPS system that benefits millions of people worldwide. Raytheon tested 74 OCX segment requirements at its Aurora, Colorado, factory in a cyber-hardened enviro...
Mon, 16 Jan 2017 14:24:00 +0100
ESA astronaut Thomas Pesquet completed his first spacewalk last Friday together with NASA astronaut Shane Kimbrough. The duo spent five hours and 58 minutes outside the International Space Station to complete a battery upgrade to the outpost's power system. The main task was to replace nickel-hydrogen batteries that store electricity from the Station's solar panels with newer lithium-ion batteries that arrived recently aboard Japan's cargo vessel. Thomas and Shane's speed allowed them to p...
Mon, 16 Jan 2017 09:07:00 +0100
MCLEAN, Va. -  Iridium Communications Inc. (NASDAQ: IRDM) announced today the successful launch of its first ten Iridium NEXT satellites. The satellites were delivered into low-Earth orbit approximately one hour after the SpaceX Falcon 9 rocket lifted off from Vandenberg Air Force Base in California at 9:54:39 a.m. PST. Iridium NEXT is the company’s next-generation satellite constellation, replacing and enhancing its existing network of low-Earth orbit satellites spanning the entire globe – the l...
Mon, 16 Jan 2017 08:37:00 +0100
Searching for planets around other stars is a tricky business. They’re so small and faint that it’s hard to spot them. But a possible planet in a nearby stellar system may be betraying its presence in a unique way: by a shadow that is sweeping across the face of a vast pancake-shaped gas-and-dust disk surrounding a young star. The planet itself is not casting the shadow. But it is doing some heavy lifting by gravitationally pulling on material near the star and warping the inner...
Sat, 14 Jan 2017 21:30:00 +0100
Aireon announced today the successful launch and deployment of the first ten satellites hosting its space-based automatic dependent surveillance broadcast (ADS-B) system. Part of the Iridium NEXT satellite constellation, Aireon's space-based ADS-B network will transform air traffic management capabilities, providing real-time air traffic surveillance and flight tracking across 100 percent of the planet. Currently, more than 70 percent of the earth, including oceanic and remote airspace, has no...
Fri, 13 Jan 2017 22:35:00 +0100
NASA has awarded a contract to KBRwyle Technology Solutions, LLC of Columbia, Maryland, for engineering services to support more than 20 NASA exploration missions. The Ground Systems and Missions Operations-2 contract is cost-plus-award fee, indefinite delivery/indefinite quantity, with a total maximum ordering value of $442 million. The effective ordering period begins March 1 and runs through Feb. 28, 2022. KBRwyle will support a wide range of mission operations, including concept studie...
Fri, 13 Jan 2017 16:52:00 +0100
This week, ESA deep-space radio dishes on two continents are listening for signals from the international Cassini spacecraft, now on its final tour of Saturn. ESA's sensitive tracking antennas at New Norcia, Western Australia, and Malargue, Argentina, are being called in to help with crucial observations during Cassini's last months in orbit, dubbed the 'Grand Finale'. The Cassini-Huygens mission is one of the most successful exploration endeavours ever. Launched in October 1997, the Ca...
Fri, 13 Jan 2017 08:36:00 +0100
Monster black holes sometimes lurk behind gas and dust, hiding from the gaze of most telescopes. But they give themselves away when material they feed on emits high-energy X-rays that NASA's NuSTAR (Nuclear Spectroscopic Telescope Array) mission can detect. That's how NuSTAR recently identified two gas-enshrouded supermassive black holes, located at the centers of nearby galaxies. "These black holes are relatively close to the Milky Way, but they have remained hidden from us un...
Fri, 13 Jan 2017 00:00:00 +0100
The report, now available on ASDReports, "Aerospace Robotics Market by Type (Scara, Cylindrical, Articulated, Catesian), Component (Controller, Processor, End Effector, Drive, Sensor) Technology (Traditional, Collaborative), Application and Region - Global Forecast to 2022", The aerospace robotics market is projected to grow from USD 1.81 Billion in 2016 to USD 4.54 Billion by 2022, at a CAGR of 16.55% during the forecast period. Factors such as increasing use of robots for efficient aircraft...
Thu, 12 Jan 2017 14:15:00 +0100
Some of us may be easing ourselves gently into the New Year, but for the team readying Sentinel-2B for liftoff on 7 March it's full steam ahead. On 5 January, the satellite was shipped from ESA's site in the Netherlands - where it had been undergoing testing since June - and arrived safe and sound in French Guiana the following day. The Sentinel-2 mission is designed as two satellites working in tandem - Sentinel-2A has been in orbit since June 2015. Offering 'colour vision' for Europe'...
Wed, 11 Jan 2017 08:39:00 +0100
Sentinel-2B has touched down in French Guiana, bringing the second satellite for Europe’s Copernicus program closer to its early March orbiting by Arianespace on a Vega lightweight launch vehicle. Arriving at Félix Eboué Airport near Cayenne last week, Sentinel-2B was delivered by a chartered Antonov An-124 cargo jetliner. Following its unloading process, the satellite was readied for transfer by road to the Spaceport. As a follow-on to Sentinel-2A – lofted by a...
Tue, 10 Jan 2017 19:30:00 +0100
The U.S. Air Force's next Space Based Infrared System (SBIRS) Geosynchronous Earth Orbit (GEO) satellite, built by Lockheed Martin (NYSE: LMT), was encapsulated on Jan. 7 at Cape Canaveral, Florida, where it will launch on Jan. 19 aboard a United Launch Alliance Atlas V rocket. Encapsulation refers to the sealing of the satellite in a protective launch vehicle fairing-one of the last steps a satellite must undergo before launch. The SBIRS GEO Flight 3 satellite is the latest to join an orbiti...
Tue, 10 Jan 2017 14:45:00 +0100
Rocket Crafters, Inc. (RCI) announced today a U.S. patent was granted to co-founder, President & CTO Ronald Jones for a method for designing and fabricating flawless, high-performance, safer handling fuel grains for hybrid rocket engines using additive manufacturing technology (also known as 3D printing) which will allow the fabrication of an inherently safe and less expensive launch vehicle with only two moving parts. Jones stated that 3D printing of the rocket combustion chamber allows RCI's e...
Tue, 10 Jan 2017 12:05:00 +0100
Careful sleuthing through decade-old images has enabled ESA's asteroid team to decide that a newly discovered space rock poses little threat of hitting Earth any time soon. Spotting a previously unknown asteroid for the first time always raises the big question: is there a risk it will impact Earth? Yet, upon discovery, analysts often have very little to go on. The initial image from the observatory, survey team or individual backyard astronomer who spotted the rock typically gives only ba...
Mon, 9 Jan 2017 17:00:00 +0100
ESO has signed an agreement with the Breakthrough Initiatives to adapt the Very Large Telescope instrumentation in Chile to conduct a search for planets in the nearby star system Alpha Centauri. Such planets could be the targets for an eventual launch of miniature space probes by the Breakthrough Starshot initiative. ESO, represented by the Director General, Tim de Zeeuw, has signed an agreement with the Breakthrough Initiatives, represented by Pete Worden, Chairman of the Breakthrough Prize ...
Mon, 9 Jan 2017 10:18:00 +0100
Interstellar forecast for a nearby star: Raining comets! NASA’s Hubble Space Telescope has discovered comets plunging onto the star HD 172555, which is a youthful 23 million years old and resides 95 light-years from Earth. The exocomets — comets outside our solar system — were not directly seen around the star, but their presence was inferred by detecting gas that is likely the vaporized remnants of their icy nuclei. HD 172555 represents the third extrasolar system wher...
More space news...
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  • CV: Optical engineer

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    Personal information
     Name:<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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