Mr. Sandeep T. Vohra Profile

Sandeep T. Vohra

Research Physicist at Cobham Analytic Solutions

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Publications (16)

Proceedings Article | 1 February 2008 Open Access

Type II strained layer superlattice: a potential infrared sensor material for space

L. Zheng, M. Tidrow, A. Novello, H. Weichel, S. Vohra

Proceedings Volume 6900, 69000F (2008) https://doi.org/10.1117/12.768420

KEYWORDS: Superlattices, Staring arrays, Infrared radiation, Mercury cadmium telluride, Sensors, Long wavelength infrared, Infrared sensors, Infrared detectors, Missiles, Defense and security

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Proceedings Article | 9 November 2000 Paper

High sensitivity fiber Bragg grating temperature sensors utilizing polymer coatings

S. Vohra

Proceedings Volume 4185, 41855C (2000) https://doi.org/10.1117/12.2302335

KEYWORDS: Fiber Bragg gratings, Polymers, Temperature sensors, Sensors, Polymeric sensors, Coastal modeling, Temperature metrology, Glasses, Data modeling, Instrument modeling

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Proceedings Article | 12 June 2000 Paper

Investigation of transverse stress measurements by using embedded fiber Bragg grating sensors subjected to Host Poisson's effect

Chia-Chen Chang, Michel LeBlanc, Sandeep Vohra

Proceedings Volume 3986, (2000) https://doi.org/10.1117/12.388138

KEYWORDS: Fiber Bragg gratings, Sensors, Finite element methods, Birefringence, Optical fibers, Fiber optics sensors, Refractive index, Mechanics, Fiber couplers, Epoxies

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Proceedings Article | 12 June 2000 Paper

Development of fiber Bragg-grating-based soil pressure transducer for measuring pavement response

Chia-Chen Chang, Gregg Johnson, Sandeep Vohra, Bryan Althouse

Proceedings Volume 3986, (2000) https://doi.org/10.1117/12.388139

KEYWORDS: Fiber Bragg gratings, Transducers, Sensors, Soil science, Analytical research, Glasses, Reflection, Prototyping, Fiber optics sensors, Fabry–Perot interferometers

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Proceedings Article | 1 September 1999 Paper

Fiber Bragg grating sensor system for civil structure monitoring: applications and field tests

S. Vohra

Proceedings Volume 3746, 374630 (1999) https://doi.org/10.1117/12.2302098

KEYWORDS: Sensors, Fiber Bragg gratings, Bridges, Optical filters, Fabry–Perot interferometers, Bragg gratings, Fiber optics sensors, Multiplexing, Analytical research, Sensor technology

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Proceedings Article | 1 September 1999 Paper

High sensitivity pressure sensors utilizing advanced polymer coatings

S. Vohra

Proceedings Volume 3746, 37462S (1999) https://doi.org/10.1117/12.2302090

KEYWORDS: Polymers, Fiber Bragg gratings, Sensors, Polymeric sensors, Optical fibers, Polymer optical fibers, Optical coatings, Fiber optics sensors, Fiber coatings, Transducers

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Proceedings Article | 21 July 1998 Paper

Test results of optical fiber cable sensitivity to underwater explosion shock wave

Kee Koo, Ralph Posey, Sandeep Vohra, W. Gottwald

Proceedings Volume 3330, (1998) https://doi.org/10.1117/12.316998

KEYWORDS: Fiber optics, Optical fiber cables, Interferometers, Wavefronts, Doppler effect, Fiber optics tests, Polarization, Sensors, Optical fibers, Explosives

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Proceedings Article | 18 June 1998 Paper

Fiber Bragg grating with long-period fiber grating superstructure for simultaneous strain and temperature measurement

Heather Patrick, Sandeep Vohra

Proceedings Volume 3483, (1998) https://doi.org/10.1117/12.309687

KEYWORDS: Sensors, Fiber Bragg gratings, Temperature metrology, Reflection, Calibration, Coating, Signal attenuation, Analytical research, Fiber optics sensors, Phase shift keying

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Proceedings Article | 18 June 1998 Paper

Composite plate drop test using a 16-channel fibre Bragg grating strain sensor system

Geir Havsgard, Karianne Pran, Sverre Knudsen, P. Baalerud, Gunnar Wang, Sandeep Vohra, M. Davis, Anthony Dandridge, Alf Jensen

Proceedings Volume 3483, (1998) https://doi.org/10.1117/12.309672

KEYWORDS: Sensors, Composites, Fiber Bragg gratings, Wavelength division multiplexing, Interferometers, Wave plates, Phase shift keying, Optical fibers, Fiber optics sensors, Optical filters

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Proceedings Article | 18 June 1998 Paper

Quasi-static strain monitoring during the "push" phase of a box-girder bridge using fiber Bragg grating sensors

Sandeep Vohra, Bryan Althouse, Gregg Johnson, Samuel Vurpillot, Daniele Inaudi

Proceedings Volume 3483, (1998) https://doi.org/10.1117/12.309674

KEYWORDS: Fiber Bragg gratings, Sensors, Bridges, Packaging, Fabry–Perot interferometers, Photography, Temperature metrology, Analytical research, Stress analysis, Composites

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Proceedings Article | 2 January 1998 Paper

Fiber optic sensor system for detection of organic contaminants in soil

G. Nau, J. McVicker, Frank Bucholtz, Kenneth Ewing, Sandeep Vohra, Jasbinder Sanghera, Ishwar Aggarwal, Jane Adams, D. Eng

Proceedings Volume 3211, (1998) https://doi.org/10.1117/12.345567

KEYWORDS: Fiber optics sensors, Soil contamination, Infrared spectroscopy, Infrared imaging, Fiber optics, Infrared radiation, Spectroscopy, Soil science

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Proceedings Article | 9 October 1995 Paper

Fiber optic IR reflectance sensor for the cone penetrometer

Gregory Nau, Frank Bucholtz, Kenneth Ewing, Sandeep Vohra, Jasbinder Sanghera, Ishwar Aggarwal

Proceedings Volume 2504, (1995) https://doi.org/10.1117/12.224110

KEYWORDS: Sensors, Reflectivity, Design for manufacturing, Infrared sensors, Mirrors, Fiber optics, Chalcogenides, Ocean optics, Optical fibers, Absorption

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Proceedings Article | 21 September 1994 Paper

Multiplexed fiber optic electric and magnetic field sensors

Sandeep Vohra, Larry Fabiny, Frank Bucholtz

Proceedings Volume 2294, (1994) https://doi.org/10.1117/12.187388

KEYWORDS: Magnetism, Magnetic sensors, Transducers, Interferometers, Sensors, Fiber optics, Signal detection, Phase shifts, Fiber optics sensors, Multiplexing

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Proceedings Article | 14 September 1994 Paper

Ultra-low-drift, sub-microvolt low-frequency fiber optic voltage sensor

Larry Fabiny, Sandeep Vohra, Frank Bucholtz

Proceedings Volume 2360, (1994) https://doi.org/10.1117/12.184969

KEYWORDS: Sensors, Fiber optics sensors, Fiber optics, Transducers, Interferometers, Interferometry, Lead, Magnesium, Nonlinear optics, Ceramics

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Proceedings Article | 1 December 1993 Paper

Characterization of nonlinear magnetostrictive dynamics by fiber optic interferometry

Sandeep Vohra

Proceedings Volume 2039, (1993) https://doi.org/10.1117/12.164759

KEYWORDS: Signal to noise ratio, Fiber optics, Interference (communication), Magnetic sensors, Magnetism, Modulation, Interferometers, Chaos, Oscillators, Nonlinear optics

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Proceedings Article | 1 February 1991 Paper

Recent developments in fiber optic magnetostrictive sensors

Frank Bucholtz, Dominique Dagenais, Kee Koo, Sandeep Vohra

Proceedings Volume 1367, (1991) https://doi.org/10.1117/12.24751

KEYWORDS: Sensors, Transducers, Magnetism, Magnetic sensors, Fiber optics, Magnetometers, Fiber optics sensors, Magnetostrictive materials, Interferometers, Interference (communication)

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Showing 5 of 16 publications

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