Ms. Cathleen Rooman Profile

Cathleen Rooman

at IMEC

SPIE Involvement:

Author

Publications (6)

SPIE Journal Paper | 1 September 2005

Reflective-refractive microlens for efficient light-emitting-diode-to-fiber coupling

Cathleen Rooman, Maarten Kuijk, Roger Vounckx, Paul Heremans

OE, Vol. 44, Issue 09, 095005, (September 2005) https://doi.org/10.1117/12.10.1117/1.2049207

KEYWORDS: Light emitting diodes, Microlens, Reflectivity, Spherical lenses, Optical fibers, Microlens array, Refraction, Multimode fibers, Refractive index, Optical engineering

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Proceedings Article | 3 July 2003 Paper

Wafer-bonded thin-film surface-roughened light-emitting diodes

Cathleen Rooman, Stijn De Jonge, Christian Karnutsch, Klaus Streubel, Maarten Kuijk, Barundeb Dutta, Gustaaf Borghs, Paul Heremans

Proceedings Volume 4996, (2003) https://doi.org/10.1117/12.476566

KEYWORDS: Light emitting diodes, External quantum efficiency, Thin films, Quantum efficiency, Mirrors, Internal quantum efficiency, Metals, Temperature metrology, Semiconductors, Reflection

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Proceedings Article | 6 June 2002 Paper

Thin-film surface-textured LEDs with current injection through a rear reflector

Reiner Windisch, Cathleen Rooman, Stijn De Jonge, Christian Karnutsch, Klaus Streubel, Maarten Kuijk, Barundeb Dutta, Gustaaf Borghs, Paul Heremans

Proceedings Volume 4641, (2002) https://doi.org/10.1117/12.469212

KEYWORDS: Light emitting diodes, Thin films, Resistance, External quantum efficiency, Mirrors, Reflectors, Quantum efficiency, Gold, Gallium arsenide, Etching

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Proceedings Article | 30 May 2001 Paper

High-bandwidth low-power parallel optical interconnect using imaging fiber bundles and standard CMOS detectors

Cathleen Rooman, Paul Heremans, David Filkins, Reiner Windisch, Gustaaf Borghs, Roger Vounckx, Maarten Kuijk

Proceedings Volume 4292, (2001) https://doi.org/10.1117/12.428021

KEYWORDS: Light emitting diodes, CMOS sensors, Sensors, Optical interconnects, Channel projecting optics, Receivers, Optical imaging, Light sources, Semiconductors, Molybdenum

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Proceedings Article | 14 May 2001 Paper

Light extraction mechanisms in surface-textured light-emitting diodes

Reiner Windisch, Stefan Meilnschmidt, Cathleen Rooman, Lars Zimmermann, Barundeb Dutta, Maarten Kuijk, Peter Kiesel, Gottfried Doehler, Gustaaf Borghs, Paul Heremans

Proceedings Volume 4278, (2001) https://doi.org/10.1117/12.426837

KEYWORDS: Light emitting diodes, External quantum efficiency, Internal quantum efficiency, Light scattering, Reflection, Monte Carlo methods, Quantum efficiency, Scattering, Temperature metrology, Photon transport

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Proceedings Article | 14 May 2001 Paper

High-efficiency 650-nm thin film light-emitting diodes

Cathleen Rooman, Reiner Windisch, Mark D'Hondt, Prasanta Modak, Ingrid Moerman, Paul Mijlemans, Barundeb Dutta, Gustaaf Borghs, Roger Vounckx, Maarten Kuijk, Paul Heremans

Proceedings Volume 4278, (2001) https://doi.org/10.1117/12.426854

KEYWORDS: Light emitting diodes, External quantum efficiency, Thin films, Semiconductors, Mirrors, Reflectors, Reflection, Gallium arsenide, Wet etching, Photons

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Showing 5 of 6 publications

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