Dr. Amartya Sengupta Profile

Dr. Amartya Sengupta

Assoc Research Scholar at Princeton Univ

SPIE Involvement:

Author

Publications (5)

Proceedings Article | 12 October 2006 Paper

Terahertz interferometric imaging of a concealed object

Alexander Sinyukov, Aparajita Bandyopadhyay, Amartya Sengupta, Robert Barat, Dale Gary, Zoi-Heleni Michalopoulou, David Zimdars, John Federici

Proc. SPIE. 6373, Terahertz Physics, Devices, and Systems

KEYWORDS: Weapons, Imaging systems, Sensors, Metals, Interferometry, Detector arrays, Terahertz radiation, Explosives, Spatial resolution, Absorption

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Proceedings Article | 19 May 2006 Paper

Terahertz interferometric and synthetic aperture imaging

Alexander Sinyukov, Aparajita Bandyopadhyay, Amartya Sengupta, Robert Barat, Dale Gary, Zoi-Heleni Michalopoulou, David Zimdars, John Federici

Proc. SPIE. 6212, Terahertz for Military and Security Applications IV

KEYWORDS: Imaging systems, Sensors, Metals, Interferometry, Detector arrays, Terahertz radiation, Explosives, Spatial resolution, Atmospheric propagation, Phase shifts

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Proceedings Article | 7 March 2006 Paper

THz reflection spectroscopy of C-4 explosive and its detection through interferometric imaging

Amartya Sengupta, Aparajita Bandyopadhyay, Robert Barat, Dale Gary, John Federici

Proc. SPIE. 6120, Terahertz and Gigahertz Electronics and Photonics V

KEYWORDS: Gold, Imaging systems, Sensors, Spectroscopy, Reflectivity, Interferometry, Imaging spectroscopy, Terahertz radiation, Explosives, Reflectance spectroscopy

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Proceedings Article | 7 March 2006 Paper

Grain size dependent scattering studies of common materials using THz time domain techniques

Aparajita Bandyopadhyay, Amartya Sengupta, Robert Barat, Dale Gary, John Federici

Proc. SPIE. 6120, Terahertz and Gigahertz Electronics and Photonics V

KEYWORDS: Refractive index, Scattering, Spectroscopy, Solids, Rayleigh scattering, Terahertz radiation, Mie scattering, Antennas, Spherical lenses, Absorption

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Proceedings Article | 7 March 2006 Paper

Characterization of hollow polycarbonate metal waveguides using Terahertz time domain spectroscopy

Aparajita Bandyopadhyay, Amartya Sengupta, Valencia Johnson, James Harrington, John Federici

Proc. SPIE. 6120, Terahertz and Gigahertz Electronics and Photonics V

KEYWORDS: Waveguides, Signal attenuation, Dispersion, Metals, Spectroscopy, Copper, Wave propagation, Terahertz radiation, Terahertz spectroscopy, Atmospheric propagation

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