Dr. Boleslaw Stasicki Profile

Dr. Boleslaw Stasicki

at Deutsches Zentrum fur Luft und Raumfahrt eV

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Publications (15)

Proceedings Article | 28 January 2019 Paper

A sine-modulated high-intensity UV-LED light source for pressure-sensitive paint applications using fluorescence lifetime imaging technique

Boleslaw Stasicki, Ulrich Henne, Krzysztof Ludwikowski, Mizue Munekata, Daisuke Yorita, Gerhard Holst

Proceedings Volume 11051, 110510C (2019) https://doi.org/10.1117/12.2524599

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Proceedings Article | 26 June 2017 Paper

High-power LED light sources for optical measurement systems operated in continuous and overdriven pulsed modes

Bolesław Stasicki, Andreas Schröder, Fritz Boden, Krzysztof Ludwikowski

Proceedings Volume 10329, 103292J (2017) https://doi.org/10.1117/12.2270304

KEYWORDS: High power lasers, Light, Semiconductor lasers, Laser applications, Light emitting diodes, Light sources, Particles, Fiber optic illuminators, Optical testing, Pulsed laser operation, Ultraviolet radiation, Lenses

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Proceedings Article | 20 February 2017 Paper

A 3D imaging system for the non-intrusive in-flight measurement of the deformation of an aircraft propeller and a helicopter rotor

Bolesław Stasicki, Fritz Boden, Krzysztof Ludwikowski

Proceedings Volume 10328, 103280Y (2017) https://doi.org/10.1117/12.2270520

KEYWORDS: Imaging systems, Digital image correlation, Cameras, Image processing, Sensors, Computer aided design, Calibration, Optical testing, Phase shifts, Stereoscopy

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Proceedings Article | 4 March 2015 Paper

In-flight measurements of aircraft propeller deformation by means of an autarkic fast rotating imaging system

Boleslaw Stasicki, Fritz Boden

Proceedings Volume 9302, 93022S (2015) https://doi.org/10.1117/12.2081393

KEYWORDS: Cameras, Imaging systems, Digital image correlation, Stereoscopic cameras, Sensors, Camera shutters, Calibration, Global Positioning System, Digital imaging, 3D metrology

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Proceedings Article | 15 April 2010 Paper

Application of image pattern correlation for non-intrusive deformation measurements of fast rotating objects on aircrafts

Fritz Boden, Kai Bodensiek, Boleslaw Stasicki

Proceedings Volume 7522, 75222S (2010) https://doi.org/10.1117/12.852703

KEYWORDS: Cameras, Light emitting diodes, Image processing, Phase shifts, Fiber optic illuminators, Xenon, Lamps, Video, Imaging systems, Camera shutters

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Proceedings Article | 10 February 2009 Paper

Application of high-speed videography for in-flight deformation measurements of aircraft propellers

Boleslaw Stasicki, Fritz Boden

Proceedings Volume 7126, 712604 (2009) https://doi.org/10.1117/12.822046

KEYWORDS: Cameras, Camera shutters, Phase shifts, Image processing, Frame grabbers, Video, Sensors, 3D image processing, Imaging systems, Spatial resolution

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Proceedings Article | 17 March 2005 Paper

Visualization of laser-induced liquid micro-jet disintegration by means of high-speed video stroboscopy

Boleslaw Stasicki, Ales Charvat, Manfred Faubel, Bernd Abel

Proceedings Volume 5580, (2005) https://doi.org/10.1117/12.567439

KEYWORDS: Liquids, Video, Mass spectrometry, Camera shutters, Visualization, Light sources, Cameras, Nd:YAG lasers, Light emitting diodes, Phase shifts

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In the present paper we describe a novel approach to monitor and to investigate laser induced liquid water jet disintegration in air and in vacuum. The features of liquid beam disintegration in vacuum are of importance for pulsed laser induced liquid beam desorption mass spectrometry and micro-calorimetry. Due to the small liquid beam diameter of 12-15 μm, its high speed of 50-100 m/s, and a total event duration of a less than a few microseconds only, the microscopic visualization of the jet disintegration was a challenging task. Good quality video sequences have been recorded with a high-speed video stroboscope system running in the back illumination mode. The light pulses were synchronized carefully with the shutter circuit of the stroboscope camera and the IR-laser pulses. With a continuously changing time delay between the desorption laser pulses and the shutter opening a slow-motion effect has been achieved. The delay was changed in steps of 25 ns which corresponds to an equivalent framing speed of about 40,000,000 fps. With a high-brightness light emitting diode (LED) as a light source an exposure time of about 200 ns an effective time resolution of several hundred nanoseconds could be achieved. Using a pulsed Nd:YAG laser instead, the exposure time and time resolution could be reduced down to about 10 ns and 25 ns, respectively. Due to the well known speckle problem when using coherent light sources for illumination we have finally used a Nd:YAG laser excited dye solution of Rhodamine 6G (10-3 M) in methanol solution in a quartz cuvette placed in front of the liquid beam keeping the short exposure time of about 10 ns. In this nearly speckle free visualization mode the real-time slow-motion imaging of the jet disintegration and the study of the desorption process has been made possible with a time resolution of 25 ns (currently limited by the phase shifter steps) and an exposure time of ~10 ns only. It has been found that the laser induced desorption is so fast that the measurement in the gas phase represents a "snapshot" of the situation (structure, complexation, interaction) in solution. The new desorption technique enables very promising studies of the function, structure and interaction of biopolymers in their natural environment.

Proceedings Article | 17 April 2001 Paper

Color high-speed video stroboscope system for inspection of human larynx

Boleslaw Stasicki, G. Meier

Proceedings Volume 4183, (2001) https://doi.org/10.1117/12.424255

KEYWORDS: Video, Cameras, Inspection, Cancer, Phase shifts, Endoscopes, CCD cameras, Camera shutters, Pathology, Imaging systems

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Proceedings Article | 22 June 1999 Paper

New features and applications of the high-speed video stroboscope

Boleslaw Stasicki, G. Meier, J. Renschke

Proceedings Volume 3516, (1999) https://doi.org/10.1117/12.350507

KEYWORDS: Video, Camera shutters, Phase shifts, Cameras, Lamps, Imaging systems, Frame grabbers, Halogens, Image processing, Digital cameras

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Proceedings Article | 28 May 1997 Paper

Flash-free high-speed video stroboscope

Boleslaw Stasicki, G. Meier, J. Renschke

Proceedings Volume 2869, (1997) https://doi.org/10.1117/12.273432

KEYWORDS: Phase shifts, Cameras, Camera shutters, Video, Lamps, Frame grabbers, Visualization, Light sources, Light, Image resolution

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Proceedings Article | 29 September 1995 Paper

Digital video camera for application of particle image velocimetry in high-speed flows

Christian Willert, Boleslaw Stasicki, Markus Raffel, Juergen Kompenhans

Proceedings Volume 2546, (1995) https://doi.org/10.1117/12.221515

KEYWORDS: Cameras, Sensors, Video, Particles, CCD image sensors, Camera shutters, Pulsed laser operation, Digital cameras, Particle image velocimetry, Beam splitters

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Proceedings Article | 30 May 1995 Paper

Computer-controlled ultra-high-speed video camera system

Boleslaw Stasicki, G. Meier

Proceedings Volume 2513, (1995) https://doi.org/10.1117/12.209602

KEYWORDS: Cameras, Camera shutters, Frame grabbers, Video, Imaging systems, Computing systems, CCD image sensors, Light emitting diodes, Image resolution, Light sources

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Proceedings Article | 1 January 1993 Paper

Programmable electronic high-speed camera

Boleslaw Stasicki, B. Bretthauer, G. Meier

Proceedings Volume 1801, (1993) https://doi.org/10.1117/12.145812

KEYWORDS: Cameras, Camera shutters, CCD image sensors, Frame grabbers, CCD cameras, Video, Light sources, Imaging systems, Sensors, Light emitting diodes

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Proceedings Article | 1 April 1991 Paper

Miniaturized semiconductor light source system for Cranz-Schardin applications

Boleslaw Stasicki, G. Meier

Proceedings Volume 1358, (1991) https://doi.org/10.1117/12.24077

KEYWORDS: Light emitting diodes, Light sources, Cameras, High speed photography, Semiconductors, CCD cameras, Photography, Optical amplifiers, High speed photonics, Diodes

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SPIE Journal Paper | 1 July 1990

Light pulse generator for high speed photography using semiconductor devices as a light source

Boleslaw Stasicki, Winfried Hiller, G. Meier

OE, Vol. 29, Issue 07, (July 1990) https://doi.org/10.1117/12.10.1117/12.55647

KEYWORDS: Light, Pulse generators, High speed photography, Semiconductors, Light sources

Showing 5 of 15 publications

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