Dr. Rajan S. Gurjar Profile

Dr. Rajan S. Gurjar

at Radiation Monitoring Devices Inc

SPIE Involvement:

Author

Publications (16)

Proceedings Article | 8 May 2018 Paper

Paper

Measurement campaign for hyperspectral imaging in complex illumination environments

Steven Golowich, Ronald Lockwood, Marius Albota, John Jacobson, Richard Nadile, Stuart Biggar, Rajan Gurjar, Lin Stowe, Luke Skelly, Ian Fletcher, Ping Fung, Sarah Klein, Charles Gulley

Proceedings Volume 10644, 106441L (2018) https://doi.org/10.1117/12.2305200

KEYWORDS: Atmospheric modeling, Reflectivity, Scattering, Data modeling, LIDAR, Sensors, Sun, Hyperspectral imaging, Algorithm development, 3D modeling

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Proceedings Article | 4 March 2014 Paper

Paper

Extracting optical properties of turbid media using radially and spectrally resolved diffuse reflectance

Karthik Vishwanath, Jonathan Malsan, Rajan Gurjar, David Wolf

Proceedings Volume 8936, 893615 (2014) https://doi.org/10.1117/12.2039964

KEYWORDS: Optical properties, Absorption, Scattering, Solids, Reflectivity, Diffuse reflectance spectroscopy, Monte Carlo methods, Liquids, Sensors, Tissue optics

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Proceedings Article | 4 March 2014 Paper

Paper

Sensing vascularization of ex-vivo produced oral mucosal equivalent (EVPOME) skin grafts in nude mice using optical spectroscopy

Suzannah Riccardi, Shiuhyang Kuo, Anthony Fasi, Roderick Kim, Karthik Vishwanath, Rajan Gurjar, David Wolf, Stephen Feinberg

Proceedings Volume 8926, 89260I (2014) https://doi.org/10.1117/12.2037085

KEYWORDS: Tissues, Skin, Tissue optics, Blood circulation, Signal detection, Optical fibers, Injuries, Composites, Laser induced plasma spectroscopy, Diffuse reflectance spectroscopy

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Proceedings Article | 28 February 2014 Paper

Paper

Point-of-care optical tool to detect early stage of hemorrhage and shock

Rajan Gurjar, David Wolf, Michael Joyner, Suzannah Riccardi, Blair Johnson, Norman Paradis, Christopher Johnson

Proceedings Volume 8951, 89510K (2014) https://doi.org/10.1117/12.2040267

KEYWORDS: Blood, Heart, Ear, Skin, Blood pressure, Tissues, Hemodynamics, Capillaries, Point-of-care devices, Statistical analysis

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Proceedings Article | 9 March 2012 Paper

Paper

Accurate dosimetry for monitoring response to photodynamic therapy

R. Myers, R. Gurjar, D. Wolf, M. Seetamraju, T. Hasan

Proceedings Volume 8210, 82100R (2012) https://doi.org/10.1117/12.908836

KEYWORDS: Oxygen, Luminescence, Photodynamic therapy, Picosecond phenomena, Phosphorescence, Tissues, Near infrared, Molecules, Optical filters, Absorption

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Proceedings Article | 9 February 2012 Paper

Paper

Non-invasive monitoring of vascularization of grafted engineered human oral mucosa

A. Fasi, M. Seetamraju, S. Feinberg, R. Gurjar, D. Wolf, R. Kuo

Proceedings Volume 8222, 82221D (2012) https://doi.org/10.1117/12.909032

KEYWORDS: Tissues, Laser induced plasma spectroscopy, Skin, Tissue optics, Blood, Optical fibers, Sensors, Blood circulation, Doppler effect, Data modeling

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Proceedings Article | 16 May 2011 Paper

Paper

Point-of-care instrument for monitoring tissue health during skin graft repair

J. Zhang, S. Feinberg, R. Gurjar, M. Seetamraju, D. Wolf

Proceedings Volume 8029, 80290W (2011) https://doi.org/10.1117/12.883406

KEYWORDS: Tissues, Sensors, Tissue optics, Blood, Signal detection, Skin, Blood circulation, Natural surfaces, Absorption, Scattering

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Proceedings Article | 12 February 2011 Paper

Paper

Versatile, high-efficiency tip-enhanced Raman spectroscopy (TERS) instrumentation for end-user applications

Rajan Gurjar, Noah Kolodziejski, Yongfeng Lu, David Wolf

Proceedings Volume 7908, 79080V (2011) https://doi.org/10.1117/12.875257

KEYWORDS: Raman spectroscopy, Prototyping, Microscopes, Atomic force microscopy, Scanning tunneling microscopy, Gold, Objectives, Mirrors, Optical filters, Amplifiers

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Proceedings Article | 10 February 2011 Paper

Paper

Concurrent magnetic resonance and diffuse luminescence imaging for hypoxic tumor characterization

Richard Myers, Gerald Entine, Rajan Gurjar, Madhavi Seetamraju, Scott Davis, Xuefeng Zhang, Brian Pogue

Proceedings Volume 7892, 78920K (2011) https://doi.org/10.1117/12.875554

KEYWORDS: Avalanche photodetectors, Magnetic resonance imaging, Tissue optics, Tissues, Imaging systems, Tumors, Luminescence, Sensors, Signal to noise ratio, Phosphorescence

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Proceedings Article | 24 April 2010 Paper

Paper

High reliability, miniature personal hypoxia monitoring system

Madhavi Seetamraju, Rajan Gurjar, John Hastings, David Wolf

Proceedings Volume 7674, 76740H (2010) https://doi.org/10.1117/12.850376

KEYWORDS: Hypoxia, Blood, Oxygen, Blood circulation, Calibration, Signal detection, Blood oxygen saturation, Sensors, Heart, Tissues

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Proceedings Article | 23 February 2010 Paper

Paper

Signal-to-noise analysis for 3D luminescence imaging of hypoxia in deep tissues

Rajan Gurjar, David Wolf, Madhavi Seetamraju

Proceedings Volume 7555, 75551J (2010) https://doi.org/10.1117/12.840736

KEYWORDS: Tissues, Sensors, Point spread functions, Luminescence, Absorption, Scattering, Oxygen, Hypoxia, Signal to noise ratio, Tumors

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Proceedings Article | 5 May 2009 Paper

Paper

Hybrid lidar radar receiver for underwater imaging applications

Madhavi Seetamraju, Michael Squillante, Rajan Gurjar, Jeffrey Derderian

Proceedings Volume 7306, 73061Q (2009) https://doi.org/10.1117/12.820246

KEYWORDS: Modulation, Avalanche photodetectors, Signal to noise ratio, Receivers, Heterodyning, Amplifiers, Signal detection, Photodetectors, Signal attenuation, Sensors

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Proceedings Article | 26 August 2008 Paper

Paper

CMOS Geiger photodiode array with integrated signal processing for imaging of 2D objects using quantum dots

Rajan Gurjar, Erik Johnson, James Christian, Christopher Stapels, William Lawrence

Proceedings Volume 7055, 70550S (2008) https://doi.org/10.1117/12.796329

KEYWORDS: Sensors, Prototyping, Signal processing, Quenching (fluorescence), Imaging arrays, Photodiodes, CMOS sensors, Molecules, Quantum efficiency, Photography

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Proceedings Article | 12 October 2007 Paper

Paper

Increased throughput single molecule detection of DNA

James Christian, Christopher Staples, Michael Squillante, Gerald Entine, Rajan Gurjar, Richard Myers, Madhavi Seetamraju, Noah Kolodziejski

Proceedings Volume 6770, 677010 (2007) https://doi.org/10.1117/12.737323

KEYWORDS: Molecules, Sensors, Signal detection, Luminescence, Fluorescence resonance energy transfer, Gold, Fluorescence correlation spectroscopy, Glasses, Quantum dots, Nanostructures

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Proceedings Article | 1 May 2002 Paper

Paper

Imaging and measurement of cell structure and organization with submicron accuracy using light scattering spectroscopy

Irving Itzkan, Ramachandra Dasari, Venkatesh Gopal, Lev Perelman, Markus Mueller, Michael Feld, Kamran Badizadegan, Charles Boone, Maxim Kalashnikov, Rajan Gurjar, Irene Georgakoudi, Adam Wax, Vadim Backman

Proceedings Volume 4613, (2002) https://doi.org/10.1117/12.465234

KEYWORDS: Light scattering, Tissue optics, Tissues, Scattering, Refractive index, Imaging spectroscopy, Spectroscopy, Polarization, Particles, Cancer

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Proceedings Article | 15 July 1999 Paper

Paper

Quantitative analysis of mucosal tissues in patients using light scattering spectroscopy

Lev Perelman, Irving Itzkan, Jacques Van Dam, Vadim Backman, Michael Feld, George Zonios, Ramachandra Dasari, Rajan Gurjar

Proceedings Volume 3597, (1999) https://doi.org/10.1117/12.356844

KEYWORDS: Tissues, Scattering, Diffuse reflectance spectroscopy, Absorption, Light scattering, Refractive index, Polarization, Spectroscopy, Tissue optics, Cancer

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Showing 5 of 16 publications

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