Dr. Ionica Cristea Profile

Dr. Ionica Cristea

Research Manager at Univ Politehnica of Bucharest

SPIE Involvement:

Editor | Author

Proceedings Article | 20 February 2015 Paper

Antenna for Passive RFID Tags

Paul Schiopu, Adrian Manea, Ionica Cristea, Neculai Grosu, Marian Vladescu, Anca-Ileana Craciun, Alexandru Craciun

Proceedings Volume 9258, 92580F (2015) https://doi.org/10.1117/12.2070091

KEYWORDS: Antennas, Polarization, Fractal analysis, Microwave radiation, Acoustics, Manufacturing, Radio propagation, Reflectors, Mobile devices, Capacitors

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Proceedings Article | 20 February 2015 Paper

Image stabilization for SWIR advanced optoelectronic device

Paul Schiopu, Adrian Manea, Ionica Cristea, Neculai Grosu, Anca-Ileana Craciun, Alexandru Craciun, Dana Granciu

Proceedings Volume 9258, 925819 (2015) https://doi.org/10.1117/12.2069580

KEYWORDS: Short wave infrared radiation, Optoelectronic devices, Signal to noise ratio, Image quality, Visibility, Image processing, Sensors, Imaging systems, Image sensors, Cameras

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Proceedings Article | 1 November 2012 Paper

Development of optoelectronics in Politehnica University of Bucharest

Paul Schiopu, Neculai Grosu, Ionica Cristea, Adrian Manea, Alexandru Craciun

Proceedings Volume 8411, 841114 (2012) https://doi.org/10.1117/12.956484

KEYWORDS: Optoelectronics, Semiconductor lasers, Photonics, Light emitting diodes, Photodiodes, Photodetectors, Optoelectronic devices, Telecommunications, Fiber optics, Diffraction

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Proceedings Article | 31 December 2009 Paper

Optoelectronic techniques for constructive characterization of SAW microdevices

Neculai Grosu, Paul Schiopu, Ionica Cristea, Alexandru Craciun

Proceedings Volume 7388, 73880R (2009) https://doi.org/10.1117/12.853513

KEYWORDS: Optoelectronics, Acoustics, Optical testing, Photodetectors, Quartz, Wave propagation, Sensors, Transducers, Electrodes, Diffraction gratings

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Proceedings Article | 7 January 2009 Paper

IntelliWave™ interferometric analysis software in laser interferometry laboratory

B. Ionita, M. Rosu, D. Apostol, A. Sima, V. Damian, I. Cristea

Proceedings Volume 7297, 729718 (2009) https://doi.org/10.1117/12.823655

KEYWORDS: Interferometry, Speckle, Wavefronts, Interferometers, Phase shifts, Imaging systems, Laser interferometry, Fringe analysis, Analytical research, Speckle pattern

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Proceedings Article | 7 January 2009 Paper

Recent developments in surface acoustic wave sensors

Paul Schiopu, Ionica Cristea, Neculai Grosu, Alexandru Craciun

Proceedings Volume 7297, 72972G (2009) https://doi.org/10.1117/12.823700

KEYWORDS: Sensors, Acoustics, Quartz, Crystals, Wave propagation, Wave sensors, Transducers, Telecommunications, Signal processing, Filtering (signal processing)

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Proceedings Article | 6 January 2009 Paper

Atomic absorption spectrophotometry for the analysis of metal contents in tobacco samples

O. Iancu, P. Schiopu, I. Cristea, V. Voinea, N. Grosu, A. Craciun

Proceedings Volume 7297, 72970K (2009) https://doi.org/10.1117/12.823630

KEYWORDS: Metals, Chemical species, Absorption, Spectrophotometry, Chromium, Statistical analysis, Lead, Lithium, Copper, Gold

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Proceedings Article | 1 August 2007 Paper

Multiple trapping and micromanipulation of dielectric particles with optical tweezers

Monica Nadasan, A. Manea, I. Cristea, N. Grosu, O. Iancu

Proceedings Volume 6785, 67851A (2007) https://doi.org/10.1117/12.757920

KEYWORDS: Particles, Optical tweezers, Diffractive optical elements, Dielectrics, Diffraction, Microscopes, Spherical lenses, Scattering, Light scattering, Objectives

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Proceedings Article | 8 May 2007 Paper

Autonomous remote sensing with SAW devices

Ovidiu Iancu, Paul Schiopu, Adrian Manea, Ionica Cristea, Neculai Grosu

Proceedings Volume 6635, 66350X (2007) https://doi.org/10.1117/12.742073

KEYWORDS: Sensors, Quartz, Acoustics, Antennas, Transducers, Radio propagation, Crystals, Radar, Resonators, Remote sensing

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Proceedings Article | 14 December 2005 Paper

Characterization of chemical microsensors in SAW systems

Ovidiu Iancu, Constantin Grigoriu, Ionica Cristea, Monica Nadasan, Neculai Grosu

Proceedings Volume 5972, 59720W (2005) https://doi.org/10.1117/12.639742

KEYWORDS: Acoustics, Sensors, Quartz, Crystals, Wave propagation, Resonators, Liquids, Chemical fiber sensors, Wave sensors, Electrodes

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Proceedings Article | 30 September 2003 Paper

Propagation of light in photonic crystals

Monica Nadasan, Paul Schiopu, Ionica Cristea, Adrian Manea

Proceedings Volume 5227, (2003) https://doi.org/10.1117/12.519903

KEYWORDS: Photonic crystals, Crystals, Dielectrics, Radio propagation, Refractive index, Silicon, Electromagnetic radiation, Magnetism, Chemical species, Electrons

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