Dr. Haynes Pak Hay Cheng Profile

Dr. Haynes Pak Hay Cheng

at Cycle GmbH

SPIE Involvement:

Author

Area of Expertise:

solid-state (DPSS) lasers , External cavity diode lasers , Q-switched lasers , Synchronized Q-switching , Non-linear parametric conversion , Pulsed blue and UV lasers

Publications (3)

SPIE Journal Paper | 1 June 2011 Open Access

Drug quantification in turbid media by fluorescence imaging combined with light-absorption correction using white Monte Carlo simulations

Haiyan Xie, Haichun Liu, Pontus Svenmarker, Johan Axelsson, Can Xu, Sune Svanberg, Stefan Andersson-Engels, Susanna Gräfe, Jesper Lundeman, Haynes Cheng, Peter Andersen, Niels Bendsoe, Katarina Svanberg

JBO, Vol. 16, Issue 06, 066002, (June 2011) https://doi.org/10.1117/12.10.1117/1.3585675

KEYWORDS: Luminescence, Tissues, Absorption, Tissue optics, Optical properties, Picosecond phenomena, Monte Carlo methods, Photodynamic therapy, Signal detection, Liver

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Proceedings Article | 4 March 2011 Paper

Passive synchronized Q-switching between a quasi-three-level and a four-level laser

Haynes Cheng, Peter Tidemand-Lichtenberg, Ole Jensen, Peter Andersen, Paul Michael Petersen, Christian Pedersen

Proceedings Volume 7912, 79120W (2011) https://doi.org/10.1117/12.873382

KEYWORDS: Pulsed laser operation, Q switches, Q switched lasers, Nd:YAG lasers, Laser damage threshold, Mirrors, Ultraviolet radiation, Semiconductor lasers, Q switching, Laser crystals

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Proceedings Article | 17 May 2010 Paper

Autofluorescence of pigmented skin lesions using a pulsed UV laser with synchronized detection: clinical results

Haynes P. Cheng, Pontus Svenmarker, Haiyan Xie, Peter Tidemand-Lichtenberg, Ole Jensen, Niels Bendsoe, Katarina Svanberg, Paul Michael Petersen, Christian Pedersen, Stefan Andersson-Engels, Peter Andersen

Proceedings Volume 7715, 77151K (2010) https://doi.org/10.1117/12.855837

KEYWORDS: Luminescence, Skin, Ultraviolet radiation, Camera shutters, Pulsed laser operation, Image filtering, CCD cameras, Liquid crystals, Signal detection, Semiconductor lasers

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