Dr. Ranjit D. Pradhan Profile

Dr. Ranjit D. Pradhan

at Physical Optics Corp

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Author

Publications (20)

Proceedings Article | 12 May 2016 Paper

Target-oriented binary sensor sets in C3I systems

Tomasz Jannson, Thomas Forrester, Volodymyr Romanov, Andrew Kostrzewski, Wenjian Wang, Ranjit Pradhan

Proceedings Volume 9825, 98250J (2016) https://doi.org/10.1117/12.2220827

KEYWORDS: Medicine, Sensors, Binary data, Intelligence systems, C3I, Infrared sensors, CCD image sensors, CCD cameras, Infrared cameras, Bayesian inference, Homeland security, Target detection, LIDAR, Radar

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Proceedings Article | 29 May 2014 Paper

Bayesian truthing and experimental validation in homeland security and defense

Tomasz Jannson, Thomas Forrester, Andrew Kostrzewski, Wenjian Wang, Ranjit Pradhan

Proceedings Volume 9074, 90740M (2014) https://doi.org/10.1117/12.2049027

KEYWORDS: Binary data, Sensors, X-rays, Intelligence systems, Inspection, Homeland security, Target recognition, Signal to noise ratio, Mammography, Explosives

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Proceedings Article | 30 September 2013 Paper

John Caulfield at POC: from holographic components to small system integration

Tomasz Jannson, Andrew Kostrzewskik, Thomas Forrester, Ranjit Pradhan, Wenjian Wang

Proceedings Volume 8833, 883302 (2013) https://doi.org/10.1117/12.2022248

KEYWORDS: System integration, Electronics, Mirrors, Sensors, Oscillators, Holography, Eye, Binary data, Clouds, Bayesian inference

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Proceedings Article | 6 June 2013 Paper

Power line field sensing to support autonomous navigation of small unmanned aerial vehicles

John Matthews, Leonid Bukshpun, Ranjit Pradhan

Proceedings Volume 8711, 87110V (2013) https://doi.org/10.1117/12.2016173

KEYWORDS: Magnetism, Interference (communication), Magnetic sensors, Signal detection, Signal to noise ratio, Unmanned aerial vehicles, Navigation systems, Sensors, Data modeling, Environmental sensing

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Proceedings Article | 18 June 2012 Paper

Novel mechanism of network protection against the new generation of cyber attacks

Leonid Bukshpun, Alexander Milovanov, Ranjit Pradhan

Proceedings Volume 8359, 835904 (2012) https://doi.org/10.1117/12.921027

KEYWORDS: Network security, Computer intrusion detection, Reconnaissance, Information security, Defense and security, Homeland security, Network architectures, Reconnaissance systems, Computer security, Integration

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Proceedings Article | 18 June 2012 Paper

Resource management tools based on renewable energy sources

Thomas Forrester, Tomasz Jannson, Pedram Boghrat, Ranjit Pradhan, Andrew Kostrzewski

Proceedings Volume 8359, 83590K (2012) https://doi.org/10.1117/12.920333

KEYWORDS: Solar energy, Wind energy, Renewable energy, Energy harvesting, Information operations, Associative arrays, Cesium, Homeland security, Telecommunications, Acoustics

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Proceedings Article | 8 September 2011 Paper

A novel photonic magnetometer for detection of low frequency magnetic fields

Ranjit Pradhan, John Matthews, Leonid Bukshpun

Proceedings Volume 8120, 81201P (2011) https://doi.org/10.1117/12.897421

KEYWORDS: Sensors, Magnetic sensors, Magnetism, Magnetometers, Interferometers, Photodetectors, Signal detection, Waveguides, Magnetostrictive materials, Fiber optics

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Proceedings Article | 27 May 2011 Paper

Novel technology for enhanced security and trust in communication networks

Leonid Bukshpun, Alexander Milovanov, Tomasz Jannson, Ranjit Pradhan

Proceedings Volume 8063, 806304 (2011) https://doi.org/10.1117/12.883541

KEYWORDS: Network security, Computer security, Security technologies, Data communications, Telecommunications, Binary data, Receivers, Wireless communications, Algorithm development, Cryptanalysis

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Proceedings Article | 5 May 2010 Paper

Bayesian performance metrics and small system integration in recent homeland security and defense applications

Rick Shie, Andrew Kostrzewski, Ranjit Pradhan, Gajendra Savant, Min-Yi Shih, Thomas Forrester, Edward Patton, Tomasz Jannson, Kevin Walter

Proceedings Volume 7666, 76660U (2010) https://doi.org/10.1117/12.850539

KEYWORDS: Explosives, Binary data, System integration, Sensors, Homeland security, Bayesian inference, Electronics, Inspection, Defense and security, Commercial off the shelf technology

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Proceedings Article | 14 September 2007 Paper

Modeling of non-Lambertian sources in lighting applications

Ranjit Pradhan, Engin Arik, Thomas Forrester, Dmitry Voloshenko, Kevin Yu, Tomasz Jannson, Mark Bennahmias, Kangbin Chua

Proceedings Volume 6669, 66691A (2007) https://doi.org/10.1117/12.732654

KEYWORDS: Light emitting diodes, Light sources and illumination, Solid state lighting, Spherical lenses, Near field optics, Sensors, Optical testing, General lighting, Cadmium, Calibration

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Proceedings Article | 3 May 2007 Paper

High-speed nano-optical photodetector for free space communication

Alexander Balandin, Gajendra Savant, Khan Alim, Russell Kurtz, Suchismita Ghosh, Minjoo Larry Lee, Irene Calizo, Ranjit Pradhan, Vladimir Esterkin, Rama Venkatasubramanian

Proceedings Volume 6556, 65560H (2007) https://doi.org/10.1117/12.721336

KEYWORDS: Photodetectors, Silicon, Sensors, Telecommunications, Capacitance, Data communications, Semiconducting wafers, Raman spectroscopy, Modulation, Analog electronics

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Proceedings Article | 26 April 2007 Paper

Brightness limitations in integrated lighting systems

Tomasz Jannson, Kevin Yu, Sam Wang, Nanda Nathan, Thomas Forrester, Kang-Bin Chua, Mark Bennahmias, Ranjit Pradhan, Engin Arik

Proceedings Volume 6558, 65580L (2007) https://doi.org/10.1117/12.718779

KEYWORDS: Diffusers, Holography, Light sources and illumination, Thermodynamics, Light emitting diodes, Scattering, Geometrical optics, Photometry, Diffusion, Cadmium

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Proceedings Article | 24 August 2006 Paper

High-frequency photorefractive amplification for ATR applications

Tomasz Jannson, Thomas Forrester, Ranjit Pradhan, Kang-Bin Chua, Gilda Fathi, Russell Kurtz, Judy Piranian, Albert Okorogu

Proceedings Volume 6314, 63140O (2006) https://doi.org/10.1117/12.679763

KEYWORDS: Crystals, Automatic target recognition, Modulators, Laser crystals, Photorefraction, Copper, Vibrometry, Phase modulation, Terahertz radiation, Amplitude modulation

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Proceedings Article | 13 September 2005 Paper

High speed nanotechnology-based photodetector

James Nichter, Jason Holmstedt, Russell Kurtz, Naresh Menon, Tin Aye, Vladimir Esterkin, Ranjit Pradhan, Alexander Balandin, Alexander Parfenov, Kang-Bin Chua, Axel Schindler

Proceedings Volume 5925, 59250T (2005) https://doi.org/10.1117/12.617888

KEYWORDS: Photodetectors, Quantum dots, Silicon, Sensors, Telecommunications, Germanium, Capacitance, Semiconducting wafers, Amplifiers, Superlattices

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Proceedings Article | 25 May 2005 Paper

Development of an automultiscopic true 3D display

Russell Kurtz, Axel Schindler, Tin Win, Albert Okorogu, Tin Aye, Nay Tun, Kang-Bin Chua, Ranjit Pradhan, Kevin Yu

Proceedings Volume 5801, (2005) https://doi.org/10.1117/12.604052

KEYWORDS: 3D displays, 3D image processing, Eye, Glasses, Holography, Autostereoscopic displays, Volume holography, 3D vision, Holographic optical elements, 3D volumetric displays

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Proceedings Article | 19 May 2005 Paper

Image tiling for a high-resolution helmet-mounted display

Russell Kurtz, Tin Aye, Tin Win, Indra Tengara, Steffen Hergert, Kang-Bin Chua, Jason Holmstedt, Axel Schindler, Ranjit Pradhan, Nay Tun

Proceedings Volume 5800, (2005) https://doi.org/10.1117/12.604157

KEYWORDS: Head-mounted displays, Image resolution, Spatial light modulators, Prototyping, Eye, Modulation transfer functions, LCDs, Projection systems, Analog electronics, Liquid crystal on silicon

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Proceedings Article | 28 March 2005 Paper

A new approach to wideband scene projection

Jason Holmstedt, Ranjit Pradhan, Tin Win, Axel Schindler, Nay Tun, Alexander Parfenov, Tin Aye, Russell Kurtz, Gajendra Savant

Proceedings Volume 5813, (2005) https://doi.org/10.1117/12.604142

KEYWORDS: Sensors, Projection systems, Long wavelength infrared, Mid-IR, Visible radiation, Imaging systems, Infrared imaging, Reflectivity, Infrared radiation, Modulation transfer functions

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Proceedings Article | 8 September 2004 Paper

Injection-locking efficiency of two independent lasers

Gajendra Savant, Tomasz Jannson, Ranjit Pradhan, Larry DeShazer, Nay Tun, Tin Aye, Russell Kurtz

Proceedings Volume 5413, (2004) https://doi.org/10.1117/12.543838

KEYWORDS: Laser damage threshold, Mirrors, Oscillators, Reflectivity, Laser systems engineering, Laser applications, Laser crystals, Solid state lasers, Mode locking, Nd:YAG lasers

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Proceedings Article | 2 September 2004 Paper

Reflection shearography for nondestructive evaluation

Russell Kurtz, Tin Aye, Steffen Hergert, Ranjit Pradhan, Michael Piliavin, Gajendra Savant, Tomasz Jannson

Proceedings Volume 5422, (2004) https://doi.org/10.1117/12.543840

KEYWORDS: Shearography, Reflectivity, Nondestructive evaluation, Signal to noise ratio, Interferometry, Reflection, Speckle, Fourier transforms, Ultrasonics, Laser interferometry

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Proceedings Article | 1 September 2004 Paper

Long-range phase-conjugate interferometry

Russell Kurtz, Tin Aye, Marvin Klein, Tomasz Jannson, Ranjit Pradhan, Gajendra Savant

Proceedings Volume 5418, (2004) https://doi.org/10.1117/12.543824

KEYWORDS: Phase conjugation, Interferometry, Mirrors, Distance measurement, Motion measurement, Sensors, Interferometers, Beam splitters, Optical interferometry, Laser interferometry

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Showing 5 of 20 publications

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