Dr. Rahul M. Khandekar Profile

Dr. Rahul M. Khandekar

Electrical Systems Specialist at AECOM

SPIE Involvement:

Author

Publications (17)

Proceedings Article | 14 May 2015 Paper

Application of holographic interferometry to in-plane and out-of-plane misalignment and deformation measurements in packaging applications

Vladimir Nikulin, Rahul Khandekar, Vijit Bedi

Proceedings Volume 9489, 94890J (2015) https://doi.org/10.1117/12.2182306

KEYWORDS: Holographic interferometry, Packaging, Spatial light modulators, Phase shifts, Holograms, Error analysis, Adaptive optics, Cameras, Manufacturing, Holography

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Proceedings Article | 7 February 2011 Paper

Phase shifting holographic interferometer for precise alignment measurements in packaging applications

Vladimir Nikulin, Rahul Khandekar, Vijit Bedi

Proceedings Volume 7957, 79570N (2011) https://doi.org/10.1117/12.874282

KEYWORDS: Holography, Phase shifts, Spatial light modulators, Holographic interferometry, Holograms, 3D image reconstruction, Holographic interferometers, Packaging, Adaptive optics, Phase shifting

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Proceedings Article | 26 February 2010 Paper

Modeling and measurement of effects of atmospheric turbulence and platform jitter on free-space laser communication

Zhao Liu, Vladimir Nikulin, Rahul Khandekar

Proceedings Volume 7587, 75870I (2010) https://doi.org/10.1117/12.841366

KEYWORDS: Signal to noise ratio, Atmospheric turbulence, Turbulence, Atmospheric modeling, Wavefront distortions, Free space optical communications, Spatial light modulators, Adaptive optics, Mirrors, Telecommunications

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Proceedings Article | 26 February 2010 Paper

Experimental demonstration of a retro-reflective laser communication link on a mobile platform

Vladimir Nikulin, John Malowicki, Rahul Khandekar, Victor Skormin, David Legare

Proceedings Volume 7587, 75870F (2010) https://doi.org/10.1117/12.841297

KEYWORDS: Telecommunications, Optical tracking, Sensors, Laser communications, Signal to noise ratio, Robotics, Acquisition tracking and pointing, Signal detection, Control systems, Optical communications

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Proceedings Article | 11 February 2010 Paper

Application of holographic interferometry to misalignment measurements in packaging applications

Vladimir Nikulin, Zhao Liu, Rahul Khandekar, Janar Yermekbayeva, Azamat Amirov

Proceedings Volume 7619, 76190C (2010) https://doi.org/10.1117/12.841301

KEYWORDS: Holography, Holograms, Packaging, Holographic interferometry, 3D image reconstruction, Wave plates, Reliability, Sensors, Microelectronics, Laser sources

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SPIE Journal Paper | 1 December 2009

Laser communication system with acousto-optic tracking and modulation: experimental study

Vladimir Nikulin, Rahul Khandekar, Jozef Sofka

OE, Vol. 48, Issue 12, 125001, (December 2009) https://doi.org/10.1117/12.10.1117/1.3274955

KEYWORDS: Telecommunications, Acousto-optics, Modulation, Interference (communication), Bragg cells, Acoustics, Laser communications, Laser systems engineering, Signal to noise ratio, Sensors

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SPIE Journal Paper | 1 June 2008

Agile acousto-optic tracking system for free-space optical communications

Vladimir Nikulin, Rahul Khandekar, Jozef Sofka

OE, Vol. 47, Issue 06, 064301, (June 2008) https://doi.org/10.1117/12.10.1117/1.2947581

KEYWORDS: Acousto-optics, Bragg cells, Interference (communication), Acoustics, Signal to noise ratio, Optical tracking, Control systems, Sensors, Optical engineering, Telecommunications

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Proceedings Article | 15 April 2008 Paper

Diffraction-based optical sensor detection system for capture-restricted environments

Rahul Khandekar, Vladimir Nikulin

Proceedings Volume 6945, 69451L (2008) https://doi.org/10.1117/12.780923

KEYWORDS: Cameras, Sensors, Diffraction, CCD image sensors, CMOS sensors, Diffraction gratings, Adaptive optics, Imaging systems, CCD cameras, Optical components

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SPIE Journal Paper | 1 March 2008

Effect of the sampling rate of the tracking system on free-space laser communications

Vladimir Nikulin, Jozef Sofka, Rahul Khandekar

OE, Vol. 47, Issue 03, 036003, (March 2008) https://doi.org/10.1117/12.10.1117/1.2899092

KEYWORDS: Signal to noise ratio, Telecommunications, Optical tracking, Interference (communication), Bragg cells, Control systems, Acousto-optics, Filtering (signal processing), Electronic filtering, Optical engineering

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Proceedings Article | 13 February 2008 Paper

Estimation-based mitigation of dynamic optical turbulence: an experimental study

Rahul Khandekar, Vladimir Nikulin

Proceedings Volume 6877, 68770C (2008) https://doi.org/10.1117/12.762395

KEYWORDS: Spatial light modulators, Wavefronts, Wavefront distortions, Optical turbulence, Atmospheric propagation, Beam splitters, Liquid crystals, Adaptive optics, Laser beam propagation, Atmospheric optics

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Proceedings Article | 13 February 2007 Paper

Mitigation of optical turbulence effects using a modified simplex optimization approach: experimental study

Rahul Khandekar, Vladimir Nikulin, Jozef Sofka

Proceedings Volume 6457, 64570E (2007) https://doi.org/10.1117/12.708525

KEYWORDS: Wavefronts, Atmospheric propagation, Spatial light modulators, Wavefront distortions, Laser beam propagation, Liquid crystals, Beam splitters, Atmospheric optics, Zernike polynomials, Error analysis

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Proceedings Article | 1 September 2006 Paper

Mitigation of dynamic wavefront distortions using a modified simplex optimization approach

Rahul Khandekar, Vladimir Nikulin

Proceedings Volume 6304, 63041J (2006) https://doi.org/10.1117/12.681995

KEYWORDS: Wavefront distortions, Spatial light modulators, Atmospheric propagation, Wavefronts, Liquid crystals, Sensors, Laser beam propagation, Atmospheric optics, Wave propagation, Adaptive optics

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Proceedings Article | 1 March 2006 Paper

Mitigation of dynamic wavefront distortions using a nematic liquid crystal spatial light modulator and simplex optimization

Rahul Khandekar, Vladimir Nikulin

Proceedings Volume 6105, 61050Q (2006) https://doi.org/10.1117/12.644931

KEYWORDS: Wavefronts, Spatial light modulators, Wavefront distortions, Atmospheric propagation, Liquid crystals, Laser beam propagation, Monochromatic aberrations, Atmospheric optics, Optical turbulence, Modulators

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Proceedings Article | 1 March 2006 Paper

Performance of a laser communication system with acousto-optic tracking: an experimental study

V. Nikulin, R. Khandekar, J. Sofka

Proceedings Volume 6105, 61050C (2006) https://doi.org/10.1117/12.640112

KEYWORDS: Telecommunications, Interference (communication), Acousto-optics, Signal to noise ratio, Laser communications, Bragg cells, Sensors, Electronics, Laser systems engineering, Signal detection

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Proceedings Article | 13 September 2005 Paper

Acousto-optic pointing and tracking systems for free-space laser communications

V. Nikulin, R. Khandekar, J. Sofka, G. Tartakovsky

Proceedings Volume 5892, 58921C (2005) https://doi.org/10.1117/12.617498

KEYWORDS: Bragg cells, Acousto-optics, Interference (communication), Telecommunications, Acoustics, Sensors, Electronics, Laser systems engineering, Control systems, Electronic filtering

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Proceedings Article | 13 September 2005 Paper

Performance of free-space laser communication systems as a function of the sampling rate in the tracking loop

V. Nikulin, J. Sofka, R. Khandekar

Proceedings Volume 5892, 589216 (2005) https://doi.org/10.1117/12.617923

KEYWORDS: Telecommunications, Signal to noise ratio, Control systems, Bragg cells, Interference (communication), Acousto-optics, Laser applications, Laser systems engineering, Laser communications, Optical tracking

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Proceedings Article | 18 April 2005 Paper

Performance of laser communication uplinks and downlinks in the presence of pointing errors and atmospheric distortions

Vladimir Nikulin, Rahul Khandekar

Proceedings Volume 5712, (2005) https://doi.org/10.1117/12.589678

KEYWORDS: Atmospheric propagation, Receivers, Laser communications, Telecommunications, Earth's atmosphere, Refractive index, Wave propagation, Error analysis, Turbulence, Sensors

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Showing 5 of 17 publications

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