Dr. Richard Sefel Profile

Dr. Richard Sefel

Research Engineer at Furukawa Electric Institute of Technology Ltd

SPIE Involvement:

Author

Publications (9)

Proceedings Article | 5 March 2021 Presentation + Paper

Simulation-assisted design of a compact tunable phase-modulated DBR/ring laser diode

Richárd Séfel, Péter Nyakas, Tamás Kárpáti, Gábor Varga, Yasumasa Kawakita

Proceedings Volume 11680, 1168013 (2021) https://doi.org/10.1117/12.2576665

KEYWORDS: Semiconductor lasers, Optical simulations, Microrings, Resonators, Wavelength tuning, Waveguides, Reflectivity, Phase shift keying, Modulation, Waveguide modes

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Proceedings Article | 11 September 2012 Paper

Extension of the measuring range in deformation measurement using artificial phase compensation

János Kornis, Richárd Séfel

Proceedings Volume 8413, 84130E (2012) https://doi.org/10.1117/12.978774

KEYWORDS: Digital holography, Holograms, Holography, Spatial light modulators, Optical simulations, Digital recording, Computer simulations, Fringe analysis, Phase measurement, Phase compensation

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Proceedings Article | 27 May 2011 Paper

Adaptive holographic illumination in comparative electronic speckle pattern interferometry

Richárd Séfel, János Kornis, Szilvia Varga-Fogarasi

Proceedings Volume 8082, 80822K (2011) https://doi.org/10.1117/12.889366

KEYWORDS: Holograms, Digital holography, Spatial light modulators, Holography, 3D image reconstruction, Holographic interferometry, Interferometry, Wavefronts, Optical simulations, Speckle pattern

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SPIE Journal Paper | 1 January 2011

Comparative electronic speckle pattern interferometry using adaptive holographic illumination

Richárd Séfel, János Kornis, Balázs Gombkötö

OE, Vol. 50, Issue 01, 015601, (January 2011) https://doi.org/10.1117/12.10.1117/1.3530112

KEYWORDS: Holograms, Digital holography, Holography, Spatial light modulators, Interferometry, Speckle pattern, Optical simulations, Holographic interferometry, 3D image reconstruction, Wavefronts

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SPIE Journal Paper | 1 June 2010

Extension of the upper measuring limit in out-of plane deformation measurement by combination of digital holography and desensitized electronic speckle pattern interferometry

Richard Séfel, János Kornis

OE, Vol. 49, Issue 06, 065801, (June 2010) https://doi.org/10.1117/12.10.1117/1.3456696

KEYWORDS: Digital holography, Holography, Speckle, Holograms, Interferometry, Holographic interferometry, Image processing, Speckle pattern, Cameras, Phase shifts

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Proceedings Article | 11 February 2010 Paper

Application of holographic optical elements in active interferometers for nondestructive testing

János Kornis, Richárd Séfel

Proceedings Volume 7619, 76190E (2010) https://doi.org/10.1117/12.842387

KEYWORDS: Digital holography, Holograms, Holography, Interferometers, Holographic optical elements, Wavefronts, Digital recording, Spatial light modulators, Fringe analysis, Speckle

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Proceedings Article | 17 June 2009 Paper

Automated compensation of fringe pattern in digital holography and TV holography

János Kornis, Richárd Séfel

Proceedings Volume 7389, 738908 (2009) https://doi.org/10.1117/12.828198

KEYWORDS: Digital holography, Holography, Fringe analysis, Holograms, Wavefronts, Speckle, Phase shifts, Digital recording, Interferometry, Phase measurement

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Proceedings Article | 20 May 2009 Paper

Deformation and shape measurement by compensation in digital holography

Richárd Séfel, János Kornis

Proceedings Volume 7358, 735810 (2009) https://doi.org/10.1117/12.820787

KEYWORDS: Digital holography, Holograms, Holography, Holographic interferometry, Speckle, Fringe analysis, Wavefronts, Intelligence systems, 3D image reconstruction, Digital imaging

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Proceedings Article | 25 April 2008 Paper

Adaptive measurement of deformation and shape by compensation using TV holography and digital holography

János Kornis, Bence Béki, Richárd Séfel

Proceedings Volume 6995, 699508 (2008) https://doi.org/10.1117/12.782182

KEYWORDS: Digital holography, Holography, Fringe analysis, Holograms, Wavefronts, Spatial light modulators, Speckle pattern, Interferometry, Digital imaging, Digital recording

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Showing 5 of 9 publications

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