Mr. Victor Nascov Profile

Victor Nascov

at Univ Transilvania din Brasov

SPIE Involvement:

Author

Publications (24)

Proceedings Article | 1 November 2012 Paper

Sampling theorem: the cornerstone of discrete optics

Petre Logofatu, Victor Nascov

Proceedings Volume 8411, 84110F (2012) https://doi.org/10.1117/12.934818

KEYWORDS: Fourier transforms, Nickel, Calculus, Physics, Detection theory, Commercial off the shelf technology, Plasma physics, Plasma, Computing systems, Optoelectronics

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Proceedings Article | 4 December 2010 Paper

Fast diffraction computation algorithms based on FFT

Petre Logofatu, Victor Nascov, Dan Apostol

Proceedings Volume 7821, 782103 (2010) https://doi.org/10.1117/12.882138

KEYWORDS: Fourier transforms, Convolution, Diffraction, Near field diffraction, Computing systems, Algorithms, Algorithm development, Optical signal processing, Detection and tracking algorithms, Optical engineering

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Proceedings Article | 1 August 2007 Paper

Fourier transform digital holography

Dan Apostol, Adrian Sima, Petre Logofătu, Florin Garoi, Victor Damian, Victor Nascov, Iuliana Iordache

Proceedings Volume 6785, 678522 (2007) https://doi.org/10.1117/12.756836

KEYWORDS: Digital holography, Holograms, Fourier transforms, 3D image reconstruction, Holography, Analog electronics, Image analysis, Digital cameras, Digital recording, Transparency

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Proceedings Article | 1 August 2007 Paper

Static Fourier transform lambdameter

Dan Apostol, Adrian Sima, Petre Logofătu, Florin Garoi, Victor Damian, Victor Nascov, Iuliana Iordache

Proceedings Volume 6785, 678521 (2007) https://doi.org/10.1117/12.756815

KEYWORDS: Spatial frequencies, Fourier transforms, Interferometers, Spectroscopy, Semiconductor lasers, Fabry–Perot interferometers, Helium neon lasers, Charge-coupled devices, Sensors, Zoom lenses

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Proceedings Article | 8 May 2007 Paper

Time-averaged vibration mode viewing with DSPI

F. Garoi, D. Apostol, A. Sima, V. Damian, P. Logofatu, V. Nascov, Iuliana Iordache, Mihaela Bojan

Proceedings Volume 6635, 66350V (2007) https://doi.org/10.1117/12.741925

KEYWORDS: Speckle, Aluminum, Speckle pattern, Beam splitters, Digital signal processing, Interferometers, Charge-coupled devices, Visualization, Speckle interferometry, CCD cameras

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Proceedings Article | 25 April 2007 Paper

Plane deformation state determination by digital speckle correlation

Victor Nascov, Dan Apostol, Florin Garoi, Adrian Sima

Proceedings Volume 6606, 660613 (2007) https://doi.org/10.1117/12.729660

KEYWORDS: Speckle, Correlation function, Fringe analysis, Fourier transforms, Error analysis, Surface plasmons, Plasma physics, Plasma, Physics, Optical simulations

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Proceedings Article | 25 April 2007 Paper

SNR improvement of digital speckle pattern interferograms

F. Garoi, A. Sima, D. Apostol, V. Damian, P. C. Logofătu, V. Nascov, Iuliana Iordache, Ludmila Serghei, Mihaela Bojan

Proceedings Volume 6606, 660612 (2007) https://doi.org/10.1117/12.729657

KEYWORDS: Signal to noise ratio, Speckle, Aluminum, Digital filtering, Speckle pattern, Image filtering, Image processing, Charge-coupled devices, Beam splitters, Electronic filtering

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SPIE Journal Paper | 1 February 2007

Statistical processing of Newton's rings using discrete Fourier analysis

Victor Nascov, Dan Apostol, Florin Garoi

OE, Vol. 46, Issue 02, 028201, (February 2007) https://doi.org/10.1117/12.10.1117/1.2709856

KEYWORDS: Fringe analysis, Fourier transforms, Error analysis, Optical engineering, Statistical analysis, Numerical analysis, Matrices, Holography, Light sources, Paraxial approximations

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Proceedings Article | 9 June 2006 Paper

Statistical processing of Newton's rings fringe pattern using the Fresnel transform

Victor Nascov, Dan Apostol, Florin Garoi, Victor Damian, Luliana Lordache, Petre Cãtãlin Logofãtu

Proceedings Volume 6252, 62521P (2006) https://doi.org/10.1117/12.677168

KEYWORDS: Fringe analysis, Error analysis, Fourier transforms, Statistical analysis, Numerical analysis, Ferroelectric LCDs, Nickel, Chlorine, Holography, Californium

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Proceedings Article | 14 December 2005 Paper

Gaussian to rectangular laser beam shaping using diffractive optical elements

S. Toma, A. Alexandrescu, D. Apostol, V. Nascov, D. Cojoc

Proceedings Volume 5972, 59721G (2005) https://doi.org/10.1117/12.639780

KEYWORDS: Diffractive optical elements, Optical design, Diffraction, Beam shaping, Geometrical optics, Binary data, Digital holography, Fourier transforms, Reflectivity, Holography

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Proceedings Article | 14 December 2005 Paper

Interferogram analysis for flatness metrology

Victor Nascov, Adrian Timcu, Dan Apostol, Florin Garoi, Victor Damian, Iuliana Iordache, Petre Cătălin Logofătu

Proceedings Volume 5972, 59721C (2005) https://doi.org/10.1117/12.639776

KEYWORDS: Fringe analysis, Statistical analysis, Fourier transforms, Error analysis, Metrology, Spatial frequencies, Optical interferometry, Digital signal processing, Interferometry, Glasses

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Proceedings Article | 14 December 2005 Paper

Absolute measurement of length with nanometric resolution

D. Apostol, F. Garoi, A. Timcu, V. Damian, P. Logofatu, V. Nascov

Proceedings Volume 5972, 59720K (2005) https://doi.org/10.1117/12.639719

KEYWORDS: Fringe analysis, Interferometers, Error analysis, Distance measurement, Ferroelectric materials, Charge-coupled devices, Interferometry, Statistical analysis, Laser applications, Transducers

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Proceedings Article | 21 October 2004 Paper

Statistical errors on Newton fringe pattern digital processing

Victor Nascov, Adrian Dobroiu, Dan Apostol, Victor Damian

Proceedings Volume 5581, (2004) https://doi.org/10.1117/12.583080

KEYWORDS: Fringe analysis, Error analysis, Statistical analysis, Computer simulations, Modulation, Software, Digital signal processing, Chromium, Calculus, Digital recording

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Proceedings Article | 21 October 2004 Paper

Flatness nanometrology of large optically rough areas

Adrian Timcu, Dan Apostol, Victor Damian, Victor Nascov, Iuliana Iordache, Raluca Muller

Proceedings Volume 5581, (2004) https://doi.org/10.1117/12.583081

KEYWORDS: Interferometers, Surface finishing, Diffractive optical elements, Diffraction gratings, Diffraction, Microtechnology, Reflection, Reflectivity, Interferometry, Polishing

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Proceedings Article | 30 September 2003 Paper

Statistical processing of elementary fringe patterns

Victor Nascov, Adrian Dobroiu, Dan Apostol, Victor Damian

Proceedings Volume 5227, (2003) https://doi.org/10.1117/12.519639

KEYWORDS: Fringe analysis, Error analysis, Computer simulations, Statistical analysis, Chromium, Modulation, Charge-coupled devices, Software, Quantization, Digital recording

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Proceedings Article | 30 May 2003 Paper

Statistical processing of straight equispaced fringe patterns using the discrete Fourier analysis

Victor Nascov, Adrian Dobroiu, Dan Apostol, Victor Damian

Proceedings Volume 5144, (2003) https://doi.org/10.1117/12.500559

KEYWORDS: Fringe analysis, Fourier transforms, Statistical analysis, Error analysis, Software, Digital recording, Numerical analysis, Mathematics, Charge-coupled devices, Computer simulations

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Proceedings Article | 29 June 2001 Paper

Automatic digital processing of Newton's rings fringe patterns

Victor Nascov, Adrian Dobroiu, Dan Apostol, Victor Damian

Proceedings Volume 4430, (2001) https://doi.org/10.1117/12.432814

KEYWORDS: Spherical lenses, Fringe analysis, Image processing, Digital signal processing, Wavefronts, Error analysis, Optical testing, Monochromatic aberrations, Glasses, Beam splitters

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Proceedings Article | 29 June 2001 Paper

Experimental evidence of the phase behavior at the waist of a gaussian laser beam

Adrian Dobroiu, Victor Nascov, Dan Apostol, Victor Damian

Proceedings Volume 4430, (2001) https://doi.org/10.1117/12.432811

KEYWORDS: Gaussian beams, Phase measurement, Phase shifts, Fourier transforms, Wavefronts, Beam splitters, Image processing, Visible radiation, Refractive index, Laser stabilization

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SPIE Journal Paper | 1 December 2000

Centering and profiling algorithm for processing Newton's rings fringe patterns

Adrian Dobroiu, Adrian Alexandrescu, Dan Apostol, Victor Nascov, Victor Damian

OE, Vol. 39, Issue 12, (December 2000) https://doi.org/10.1117/12.10.1117/1.1327836

KEYWORDS: Fourier transforms, Fringe analysis, Profiling, Spherical lenses, Wavefronts, Optical engineering, Laser processing, Plasma physics, Plasma, Physics

Proceedings Article | 23 February 2000 Paper

Improved method for processing Newton's rings fringe patterns

Adrian Dobroiu, Adrian Alexandrescu, Dan Apostol, Victor Nascov, Victor Damian

Proceedings Volume 4068, (2000) https://doi.org/10.1117/12.378693

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Proceedings Article | 23 February 2000 Paper

1D algorithm for automatic fringe spacing measurement in a straight equispaced parallel fringe pattern

Victor Nascov, Adrian Dobroiu, Dan Apostol, Victor Damian

Proceedings Volume 4068, (2000) https://doi.org/10.1117/12.378684

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Proceedings Article | 23 February 2000 Paper

Digital speckle-interferometry camera for nondestructive testing

Dan Apostol, Victor Damian, Adrian Dobroiu, Victor Nascov

Proceedings Volume 4068, (2000) https://doi.org/10.1117/12.378746

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Proceedings Article | 2 July 1998 Paper

Circularity measurement by laser triangulation

Victor Damian, Constantin Blanaru, Dan Apostol, Adrian Dobroiu, Victor Nascov

Proceedings Volume 3405, (1998) https://doi.org/10.1117/12.312721

KEYWORDS: Sensors, Laser systems engineering, Optical testing, Semiconductor lasers, Signal detection, Active sensors, Laser optics, Target detection, Optical amplifiers, Plasma physics

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Proceedings Article | 2 July 1998 Paper

New principle for self-calibration techniques in phase-shift interferometry

Adrian Dobroiu, Dan Apostol, Victor Damian, Victor Nascov

Proceedings Volume 3405, (1998) https://doi.org/10.1117/12.312700

KEYWORDS: Phase shifts, Calibration, Phase shifting, Interferometry, Wavefronts, Error analysis, Visibility, Signal to noise ratio, Phase interferometry, Laser interferometry

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Showing 5 of 24 publications

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