Dr. Alexander R. Knuettel Profile

Dr. Alexander R. Knuettel

Research Scientist at agrippa Holding GmbH

SPIE Involvement:

Author

Publications (13)

SPIE Journal Paper | 1 March 2004 Open Access

New method for evaluation of in vivo scattering and refractive index properties obtained with optical coherence tomography

Alexander Knuettel, Slavtcho Bonev, W. Knaak

JBO, Vol. 9, Issue 02, (March 2004) https://doi.org/10.1117/12.10.1117/1.1647544

KEYWORDS: Scattering, Skin, Optical coherence tomography, In vivo imaging, Signal detection, Light scattering, Multiple scattering, Optical fibers, Particles, Tissues

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Proceedings Article | 2 October 2003 Paper

Scattering and refractive index properties of skin obtained with OCT

Alexander Knuettel, Slavtcho Bonev, W. Knaak

Proceedings Volume 5140, (2003) https://doi.org/10.1117/12.499403

KEYWORDS: Skin, Scattering, Optical coherence tomography, Signal detection, In vivo imaging, Light scattering, Particles, Tissues, Mie scattering, Refractive index

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Proceedings Article | 23 May 2001 Paper

In-vivo evaluation of locally mapped refractive indices with OCT

Alexander Knuettel, Slavtcho Bonev, Christian Kugler

Proceedings Volume 4251, (2001) https://doi.org/10.1117/12.427884

KEYWORDS: Refractive index, Optical coherence tomography, Skin, In vivo imaging, Scattering, Spatial resolution, Tissue optics, Tissues, Light scattering, Objectives

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SPIE Journal Paper | 1 January 2000 Open Access

Spatially confined and temporally resolved refractive index and scattering evaluation in human skin performed with optical coherence tomography

Alexander Knuettel, Martin Boehlau-Godau

JBO, Vol. 5, Issue 01, (January 2000) https://doi.org/10.1117/12.10.1117/1.429972

KEYWORDS: Refractive index, Scattering, Optical coherence tomography, Skin, Optical fibers, In vivo imaging, Tissues, Objectives, Water, Optical fiber cables

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Proceedings Article | 15 July 1999 Paper

In-vivo evaluation of layered scattering coefficients and refractive indices with OCT

Alexander Knuettel, Martin Boehlau-Godau, Michael Rist, Paul Welker, Uwe Gogolin, Christian Kugler

Proceedings Volume 3597, (1999) https://doi.org/10.1117/12.356823

KEYWORDS: Refractive index, Scattering, Optical coherence tomography, Skin, In vivo imaging, Tissues, Objectives, Signal detection, Sensors, Tissue optics

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Proceedings Article | 22 May 1997 Paper

Tissue characterization with optical coherence tomography (OCT)

Alexander Knuettel, Michael Breit, Dirk Boecker

Proceedings Volume 2981, (1997) https://doi.org/10.1117/12.274316

KEYWORDS: Scattering, Optical coherence tomography, Point spread functions, Tissues, Signal detection, Particles, Objectives, Mirrors, Skin, Light scattering

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Proceedings Article | 24 April 1996 Paper

Tissue characterization with optical coherence tomography (OCT)

Alexander Knuettel, S. Koch, Rainer Schork, Dirk Boecker

Proceedings Volume 2676, (1996) https://doi.org/10.1117/12.238825

KEYWORDS: Signal detection, Scattering, Optical coherence tomography, Tissues, Point spread functions, Mirrors, Imaging spectroscopy, Tissue optics, Photons, Spectroscopy

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Proceedings Article | 10 April 1996 Paper

Analytical modeling of spatial resolution curves in turbid media acquired with optical coherence tomography (OCT)

Alexander Knuettel, Rainer Schork, Dirk Boecker

Proceedings Volume 2655, (1996) https://doi.org/10.1117/12.237484

KEYWORDS: Signal detection, Scattering, Particles, Heterodyning, Optical coherence tomography, Tissues, Mirrors, Light scattering, Photons, Spatial resolution

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Proceedings Article | 19 May 1994 Paper

Stationary low-coherence light-imaging and spectroscopy using a CCD camera

Alexander Knuettel, Joseph Schmitt, M. Shay, Jay Knutson

Proceedings Volume 2135, (1994) https://doi.org/10.1117/12.175998

KEYWORDS: Acousto-optics, Mirrors, Reflectometry, Charge-coupled devices, Spatial frequencies, Spectroscopy, CCD cameras, Interferometers, Sensors, Light emitting diodes

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Proceedings Article | 19 May 1994 Paper

Interferometric versus confocal techniques for imaging microstructures in turbid biological media

Joseph Schmitt, Alexander Knuettel, Michael Yadlowsky

Proceedings Volume 2135, (1994) https://doi.org/10.1117/12.175999

KEYWORDS: Microscopes, Confocal microscopy, Tissue optics, Objectives, Sensors, Scattering, Heterodyning, Signal detection, Light scattering, Particles

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Proceedings Article | 14 September 1993 Paper

Spatial localization using interfering photon density waves: contrast enhancement and limitations

Alexander Knuettel, Joseph Schmitt, R. Barnes, Jay Knutson

Proceedings Volume 1888, (1993) https://doi.org/10.1117/12.154650

KEYWORDS: Signal detection, Modulation, Sensors, Destructive interference, Phase shift keying, CCD cameras, Scattering, Optical filters, Signal attenuation, Absorption

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Proceedings Article | 3 September 1993 Paper

Optical characterization of dense tissues using low-coherence interferometry

Joseph Schmitt, Alexander Knuettel, Amir Gandjbakhche, Robert Bonner

Proceedings Volume 1889, (1993) https://doi.org/10.1117/12.155715

KEYWORDS: Tissues, Reflectometry, Reflectivity, Light scattering, Particles, Scattering, Tissue optics, Signal attenuation, Mirrors, Backscatter

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Proceedings Article | 1 April 1992 Paper

Improvement of spatial resolution in reflectance near-infrared imaging by laser-beam interference

Alexander Knuettel, Joseph Schmitt, Jay Knutson

Proceedings Volume 1640, (1992) https://doi.org/10.1117/12.58232

KEYWORDS: Photons, Absorption, Destructive interference, Signal detection, Scattering, Sensors, Laser scattering, Phase measurement, Modulation, Laser spectroscopy

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Showing 5 of 13 publications

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