Dr. Roy G.M. Kolkman Profile

Dr. Roy G.M. Kolkman

Postdoctoral Researcher at Univ Twente

SPIE Involvement:

Author

Publications (19)

SPIE Journal Paper | 1 September 2010 Open Access

Feasibility of noncontact piezoelectric detection of photoacoustic signals in tissue-mimicking phantoms

Roy Kolkman, Erik Blomme, Tijl Cool, Mattias Bilcke, Ton van Leeuwen, Wiendelt Steenbergen, Kees Grimbergen, Gerard den Heeten

JBO, Vol. 15, Issue 05, 055011, (September 2010) https://doi.org/10.1117/12.10.1117/1.3491113

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 25 February 2009 Paper

Real-time photoacoustic and ultrasound imaging of human vasculature

Roy G. Kolkman, Peter Brands, Wiendelt Steenbergen, Ton van Leeuwen

Proceedings Volume 7177, 717704 (2009) https://doi.org/10.1117/12.807266

KEYWORDS: Imaging systems, Ultrasonography, Photoacoustic imaging, Photoacoustic spectroscopy, Skin, Blood vessels, Tissue optics, Blood, Photography, Visualization

Read Abstract +

SPIE Journal Paper | 1 September 2008 Open Access

Real-time in vivo photoacoustic and ultrasound imaging

Roy Kolkman, Peter Brands, Wiendelt Steenbergen, Ton van Leeuwen

JBO, Vol. 13, Issue 05, 050510, (September 2008) https://doi.org/10.1117/12.10.1117/1.3005421

KEYWORDS: Ultrasonography, Photoacoustic spectroscopy, Imaging systems, Photoacoustic imaging, Blood vessels, Image visualization, In vivo imaging, Computing systems, Transducers, Visualization

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 13 March 2008 Paper

Photoacoustic 3D visualization of tumor angiogenesis

G. ten Brinke, R. Kolkman, C. Slump, W. Steenbergen

Proceedings Volume 6920, 692012 (2008) https://doi.org/10.1117/12.769449

KEYWORDS: Tumors, Photoacoustic spectroscopy, Visualization, 3D image processing, Sensors, Ultrasonography, 3D visualizations, Photoacoustic imaging, Transducers, Blood vessels

Read Abstract +

Proceedings Article | 5 February 2008 Paper

Photoacoustic imaging of tumor angiogenesis

Roy G. Kolkman, Kiran Thumma, Gerbert ten Brinke, Ronald Siphanto, Han van Neck, Wiendelt Steenbergen, Ton van Leeuwen

Proceedings Volume 6856, 685602 (2008) https://doi.org/10.1117/12.761214

KEYWORDS: Tumors, Photoacoustic spectroscopy, Sensors, Photoacoustic imaging, Tissue optics, Blood, Ultrasonography, Tissues, Signal detection, Absorption

Read Abstract +

Proceedings Article | 23 March 2007 Paper

Photoacoustic imaging of port-wine stains

Roy Kolkman, Miranda Mulder, Conrad Glade, Ton van Leeuwen, Wiendelt Steenbergen

Proceedings Volume 6424, 64240D (2007) https://doi.org/10.1117/12.699873

KEYWORDS: Skin, Photoacoustic spectroscopy, Sensors, Photoacoustic imaging, Blood, Tissues, Blood vessels, Visualization, Image sensors, Acoustics

Read Abstract +

Proceedings Article | 6 March 2006 Paper

Imaging of venous valves with photoacoustics

Nienke Bosschaart, Roy Kolkman, Ton van Leeuwen, Wiendelt Steenbergen

Proceedings Volume 6086, 60860O (2006) https://doi.org/10.1117/12.647431

KEYWORDS: Photoacoustic spectroscopy, Blood, Veins, Acoustics, Tissues, Sensors, Absorption, In vitro testing, Scattering, Signal detection

Read Abstract +

SPIE Journal Paper | 1 November 2004 Open Access

Photoacoustic mammography laboratory prototype: imaging of breast tissue phantoms

Roy Kolkman, Erwin Hondebrink, Wiendelt Steenbergen, Ton van Leeuwen, Frits de Mul

JBO, Vol. 9, Issue 06, (November 2004) https://doi.org/10.1117/12.10.1117/1.1803548

KEYWORDS: Breast, Photoacoustic spectroscopy, Absorption, Tissue optics, Sensors, Optical spheres, Ultrasonography, Prototyping, Scattering, Mammography

Read Abstract +

DOWNLOAD PAPER

Proceedings Article | 12 July 2004 Paper

Photoacoustic imaging of blood vessels in the chorioallantoic membrane of a chicken embryo

Roy Kolkman, Arjan Huisjes, Ronald Siphanto, Wiendelt Steenbergen, Ton van Leeuwen

Proceedings Volume 5320, (2004) https://doi.org/10.1117/12.528976

KEYWORDS: Photoacoustic spectroscopy, Blood vessels, Sensors, Tissue optics, Tissues, Photoacoustic imaging, Optical fibers, Blood, Ferroelectric polymers, Electrodes

Read Abstract +

Proceedings Article | 23 July 2003 Paper

Pulsed laser Doppler flowmetry for increased signal-to-noise ratio and probed depth

Wiendelt Steenbergen, Roy Kolkman, Sven Woldberg, Frits de Mul

Proceedings Volume 4965, (2003) https://doi.org/10.1117/12.478384

KEYWORDS: Doppler effect, Signal to noise ratio, Pulsed laser operation, Tissues, Tissue optics, Signal detection, Scattering, Safety, Semiconductor lasers

Read Abstract +

Proceedings Article | 1 July 2003 Paper

Photoacoustic monitoring and imaging of blood vessel size in vivo

Roy Kolkman, John Klaessens, Erwin Hondebrink, Jeroen Hopman, Wiendelt Steenbergen, Ton van Leeuwen, Johan Thijssen, Frits de Mul

Proceedings Volume 4960, (2003) https://doi.org/10.1117/12.477637

KEYWORDS: Photoacoustic spectroscopy, Blood vessels, Sensors, Tissues, In vivo imaging, Blood, Tissue optics, Ear, Image sensors, Veins

Read Abstract +

Proceedings Article | 15 October 2002 Paper

Photoacoustic imaging of blood vessels in tissues

Frits de Mul, Magdalena Pilatou, Roy Kolkman, Erwin Hondebrink, Wiendelt Steenbergen

Proceedings Volume 4903, (2002) https://doi.org/10.1117/12.486606

KEYWORDS: Sensors, Tissues, Blood, Tissue optics, Blood vessels, Photoacoustic spectroscopy, Absorption, Breast, Arteries, Photoacoustic imaging

Read Abstract +

Proceedings Article | 10 June 2002 Paper

Photoacoustic monitoring and imaging of blood vessels in tissue

Roy Kolkman, Magdalena Pilatou, Wiendelt Steenbergen, Frits de Mul

Proceedings Volume 4618, (2002) https://doi.org/10.1117/12.469850

KEYWORDS: Sensors, Blood, Tissues, Tissue optics, Photoacoustic spectroscopy, Blood vessels, Absorption, Breast, Acoustics, Photoacoustic imaging

Read Abstract +

Proceedings Article | 24 October 2001 Paper

Pulsed laser-Doppler flowmetry for monitoring deep perfusion

Roy Kolkman, Erwin Hondebrink, Rene Bolt, Wiendelt Steenbergen, Frits de Mul

Proceedings Volume 4434, (2001) https://doi.org/10.1117/12.446680

KEYWORDS: Pulsed laser operation, Signal detection, Continuous wave operation, Photons, Blood, Sensors, Kidney, Tissues, Semiconductor lasers

Read Abstract +

Proceedings Article | 15 June 2001 Paper

Photoacoustic imaging of blood perfusion in tissue and phantoms

Magdalena Pilatou, Roy Kolkman, Erwin Hondebrink, Rene Bolt, Frits de Mul

Proceedings Volume 4256, (2001) https://doi.org/10.1117/12.429318

KEYWORDS: Sensors, Tissue optics, Photoacoustic spectroscopy, Tissues, Blood, Bone, Signal processing, Acoustics, Reflection, Photoacoustic imaging

Read Abstract +

Proceedings Article | 31 May 2000 Paper

Scattering properties of human whole blood under simple shear

Wiendelt Steenbergen, Roy Kolkman, Dirk Faber, Frits de Mul

Proceedings Volume 3923, (2000) https://doi.org/10.1117/12.387141

KEYWORDS: Scattering, Blood, Light scattering, Monte Carlo methods, Anisotropy, Glasses, Particles, Multiple scattering, Signal attenuation, Absorption

Read Abstract +

Proceedings Article | 19 May 2000 Paper

Photoacoustic a-scanning and monitoring of blood content in tissue

Roy Kolkman, Magdalena Pilatou, Erwin Hondebrink, Frits de Mul

Proceedings Volume 3916, (2000) https://doi.org/10.1117/12.386343

KEYWORDS: Sensors, Blood, Tissue optics, Photoacoustic spectroscopy, Electronics, Tissues, Signal detection, Ferroelectric polymers, Scattering, Absorption

Read Abstract +