Dr. Ranjit D. Pradhan Profile

Dr. Ranjit D. Pradhan

at Physical Optics Corp

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Author

Publications (20)

PROCEEDINGS ARTICLE | May 12, 2016

Target-oriented binary sensor sets in C3I systems

Proc. SPIE. 9825, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security, Defense, and Law Enforcement Applications XV

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

PROCEEDINGS ARTICLE | May 29, 2014

Bayesian truthing and experimental validation in homeland security and defense

Proc. SPIE. 9074, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense XIII

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

PROCEEDINGS ARTICLE | September 30, 2013

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

Proc. SPIE. 8833, Tribute to H. John Caulfield

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

PROCEEDINGS ARTICLE | June 6, 2013

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

Proc. SPIE. 8711, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense XII

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

PROCEEDINGS ARTICLE | June 18, 2012

Resource management tools based on renewable energy sources

Proc. SPIE. 8359, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense XI

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

PROCEEDINGS ARTICLE | June 18, 2012

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

Proc. SPIE. 8359, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense XI

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

PROCEEDINGS ARTICLE | September 8, 2011

A novel photonic magnetometer for detection of low frequency magnetic fields

Proc. SPIE. 8120, Photonic Fiber and Crystal Devices: Advances in Materials and Innovations in Device Applications V

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

PROCEEDINGS ARTICLE | May 27, 2011

Novel technology for enhanced security and trust in communication networks

Proc. SPIE. 8063, Mobile Multimedia/Image Processing, Security, and Applications 2011

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

PROCEEDINGS ARTICLE | May 5, 2010

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

Proc. SPIE. 7666, Sensors, and Command, Control, Communications, and Intelligence (C3I) Technologies for Homeland Security and Homeland Defense IX

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

PROCEEDINGS ARTICLE | September 14, 2007

Modeling of non-Lambertian sources in lighting applications

Proc. SPIE. 6669, Seventh International Conference on Solid State Lighting

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

PROCEEDINGS ARTICLE | May 3, 2007

High-speed nano-optical photodetector for free space communication

Proc. SPIE. 6556, Micro (MEMS) and Nanotechnologies for Defense and Security

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

PROCEEDINGS ARTICLE | April 26, 2007

Brightness limitations in integrated lighting systems

Proc. SPIE. 6558, Display Technologies and Applications for Defense, Security, and Avionics

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

PROCEEDINGS ARTICLE | August 24, 2006

High-frequency photorefractive amplification for ATR applications

Proc. SPIE. 6314, Photorefractive Fiber and Crystal Devices: Materials, Optical Properties, and Applications XII

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

PROCEEDINGS ARTICLE | September 13, 2005

High speed nanotechnology-based photodetector

Proc. SPIE. 5925, Nanophotonic Materials and Systems II

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

PROCEEDINGS ARTICLE | May 25, 2005

Development of an automultiscopic true 3D display

Proc. SPIE. 5801, Cockpit and Future Displays for Defense and Security

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

PROCEEDINGS ARTICLE | May 19, 2005

Image tiling for a high-resolution helmet-mounted display

Proc. SPIE. 5800, Helmet- and Head-Mounted Displays X: Technologies and Applications

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

PROCEEDINGS ARTICLE | March 28, 2005

A new approach to wideband scene projection

Proc. SPIE. 5813, Multisensor, Multisource Information Fusion: Architectures, Algorithms, and Applications 2005

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

PROCEEDINGS ARTICLE | September 8, 2004

Injection-locking efficiency of two independent lasers

Proc. SPIE. 5413, Laser Systems Technology II

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

PROCEEDINGS ARTICLE | September 2, 2004

Reflection shearography for nondestructive evaluation

Proc. SPIE. 5422, Unmanned Ground Vehicle Technology VI

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

PROCEEDINGS ARTICLE | September 1, 2004

Long-range phase-conjugate interferometry

Proc. SPIE. 5418, Spaceborne Sensors

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

Showing 5 of 20 publications

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