Dr. Jürgen Handke Profile

Dr. Jürgen Handke

at Deutsches Zentrum fur Luft und Raumfahrt eV

SPIE Involvement:

Author

Publications (35)

Proceedings Article | 24 October 2016 Presentation + Paper

Standoff laser-induced fluorescence of suspensions from different bacterial strains

Frank Duschek, Arne Walter, Lea Fellner, Karin Grünewald, Carsten Pargmann, Jürgen Handke, Herbert Tomaso

Proceedings Volume 9995, 99950A (2016) https://doi.org/10.1117/12.2241071

KEYWORDS: Laser induced fluorescence, Bacteria, Sensors, Biological weapons, Biological detection systems, Luminescence, Aerosols, Detector development, Data acquisition, Quantum efficiency

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Proceedings Article | 13 May 2016 Paper

Atmospheric propagation of high power laser radiation at different weather conditions

Carsten Pargmann, Thomas Hall, Frank Duschek, Jürgen Handke

Proceedings Volume 9833, 983302 (2016) https://doi.org/10.1117/12.2223718

KEYWORDS: Atmospheric propagation, High power lasers, Disk lasers, Laser countermeasures, Laser beam propagation, Turbulence, Laser energy, Laser beam characterization, Laser scattering, Remote sensing, Optical testing, Stray light, Sensors, Cameras

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Proceedings Article | 12 May 2016 Paper

Standoff detection: distinction of bacteria by hyperspectral laser induced fluorescence

Arne Walter, Frank Duschek, Lea Fellner, Karin Grünewald, Anita Hausmann, Sandra Julich, Carsten Pargmann, Herbert Tomaso, Jürgen Handke

Proceedings Volume 9824, 98240Y (2016) https://doi.org/10.1117/12.2223769

KEYWORDS: Bacteria, Laser induced fluorescence, Luminescence, Spectroscopy, Standoff detection, Classification systems, Aerosols, Quantum efficiency, Molecules, Solids

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Proceedings Article | 27 October 2015 Paper

Experimental and numerical analysis of atmospheric propagation of high energy laser

Carsten Pargmann, Thomas Hall, Frank Duschek, Thomas Fischbach, Karin Grünewald, Kirsten Klaffki, Jim Thieser, Jürgen Handke

Proceedings Volume 9650, 96500L (2015) https://doi.org/10.1117/12.2194783

KEYWORDS: Atmospheric propagation, Laser beam propagation, Sensors, Remote sensing, Cameras, Optical testing, Disk lasers, Turbulence, Mirrors, Visibility

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Proceedings Article | 22 May 2015 Paper

Standoff detection and classification procedure for bioorganic compounds by hyperspectral laser-induced fluorescence

Thomas Fischbach, Frank Duschek, Anita Hausmann, Carsten Pargmann, Valeri Aleksejev, Larisa Poryvkina, Innokenti Sobolev, Sergey Babichenko, Jürgen Handke

Proceedings Volume 9455, 945508 (2015) https://doi.org/10.1117/12.2176334

KEYWORDS: Cameras, Laser induced fluorescence, Bacteria, Luminescence, Pulsed laser operation, Aerosols, Yeast, Sensors, CCD cameras, Molecules

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Proceedings Article | 29 May 2014 Paper

Standoff detection: classification of biological aerosols using laser induced fluorescence (LIF) technique

Anita Hausmann, Frank Duschek, Thomas Fischbach, Carsten Pargmann, Valeri Aleksejev, Larisa Poryvkina, Innokenti Sobolev, Sergey Babichenko, Jürgen Handke

Proceedings Volume 9073, 90730Z (2014) https://doi.org/10.1117/12.2049923

KEYWORDS: Laser induced fluorescence, Luminescence, Aerosols, Feature extraction, Standoff detection, Error analysis, Biological research, Chemical analysis, Pattern recognition, Bacteria

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Proceedings Article | 7 February 2012 Paper

Unstable resonator with high magnification and low output coupling

Carsten Pargmann, Thomas Hall, Frank Duschek, Karin Grünewald, Jürgen Handke

Proceedings Volume 8236, 823607 (2012) https://doi.org/10.1117/12.907833

KEYWORDS: Resonators, Mirrors, Reflectivity, Chemical oxygen iodine lasers, Confocal microscopy, Chemical lasers, Diffraction, Laser resonators, Coating, Reflectors

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Proceedings Article | 4 June 2011 Paper

Standoff detection applying laser-induced breakdown spectroscopy at the DLR laser test range

Jürgen Handke, Frank Duschek, Karin Gruenewald, Carsten Pargmann

Proceedings Volume 8018, 80180T (2011) https://doi.org/10.1117/12.886543

KEYWORDS: Laser induced breakdown spectroscopy, Plasma, Gold, Standoff detection, Silicon, Semiconducting wafers, Atmospheric propagation, Signal detection, Laser beam propagation, Laser development

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Proceedings Article | 19 February 2011 Paper

Negative-branch unstable resonator in off-axis configuration for rectangular cross-sections

Carsten Pargmann, Thomas Hall, Frank Duschek, Karin Grünewald, Jürgen Handke

Proceedings Volume 7913, 79130G (2011) https://doi.org/10.1117/12.873845

KEYWORDS: Resonators, Mirrors, Near field, Confocal microscopy, Diffraction, Chemical oxygen iodine lasers, Spherical lenses, Near field optics, Infrared cameras, Laser resonators

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Proceedings Article | 16 November 2010 Paper

Off-axis negative-branch unstable resonator with rectangular cross-section

Carsten Pargmann, Thomas Hall, Frank Duschek, Karin Grünewald, Jürgen Handke

Proceedings Volume 7751, 775115 (2010) https://doi.org/10.1117/12.880946

KEYWORDS: Resonators, Mirrors, Spherical lenses, Chemical oxygen iodine lasers, Diffraction, Near field, Infrared cameras, Aerospace engineering, Laser resonators, Gas lasers

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Proceedings Article | 12 October 2010 Paper

Stand-off detection at the DLR laser test range applying laser-induced breakdown spectroscopy

Frank Duschek, Carsten Pargmann, Karin Grünewald, Jürgen Handke

Proceedings Volume 7838, 78380I (2010) https://doi.org/10.1117/12.864440

KEYWORDS: Laser induced breakdown spectroscopy, Plasma, Gold, Silicon, Standoff detection, Plasma generation, Semiconducting wafers, Pulsed laser operation, Nd:YAG lasers, Telescopes

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Proceedings Article | 18 April 2009 Paper

Double-pass hybrid resonator for COIL

Carsten Pargmann, Thomas Hall, Frank Duschek, Karin Grünewald, Jürgen Handke

Proceedings Volume 7131, 71310F (2009) https://doi.org/10.1117/12.816817

KEYWORDS: Resonators, Mirrors, Near field, Diffraction, Chemical oxygen iodine lasers, Reflectors, Near field optics, Laser resonators, Aerospace engineering, Physics

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Proceedings Article | 18 April 2009 Paper

COIL radiation of high brilliance

Juergen Handke

Proceedings Volume 7131, 713102 (2009) https://doi.org/10.1117/12.816922

KEYWORDS: Resonators, Chemical oxygen iodine lasers, Diffraction, Mirrors, Confocal microscopy, Near field, Laser resonators, Numerical analysis, Iodine, Bromine

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Proceedings Article | 26 April 2007 Paper

High beam quality COIL with hybrid resonators

Jürgen Handke, Thomas Hall, Frank Duschek, Karin Grünewald

Proceedings Volume 6346, 63460F (2007) https://doi.org/10.1117/12.737182

KEYWORDS: Resonators, Mirrors, Chemical oxygen iodine lasers, Diffraction, Solids, Laser resonators, Directed energy weapons, Fabry–Perot interferometers, Chlorine, Aerospace engineering

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Proceedings Article | 26 April 2007 Paper

Numerical studies on a modified negative-branch confocal unstable resonator (MNBUR)

Thomas Hall, Karin Grünewald, Jürgen Handke

Proceedings Volume 6346, 634639 (2007) https://doi.org/10.1117/12.739360

KEYWORDS: Resonators, Mirrors, Confocal microscopy, Laser resonators, Diffraction, Spherical lenses, Off axis mirrors, Near field optics, Beam shaping, Manufacturing

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Proceedings Article | 7 June 2006 Paper

Hybrid resonator configurations for COIL

Frank Duschek, Jürgen Handke, Thomas Hall, Karin Grünewald

Proceedings Volume 6261, 62612G (2006) https://doi.org/10.1117/12.669205

KEYWORDS: Resonators, Mirrors, Chemical oxygen iodine lasers, Chemical lasers, Laser resonators, Optical resonators, Polymethylmethacrylate, Optical alignment, Diffraction, Confocal microscopy

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Proceedings Article | 23 February 2006 Paper

Negative branch hybrid resonator for COIL

Jürgen Handke, Thomas Hall, Frank Duschek, Karin Grünewald

Proceedings Volume 6101, 610124 (2006) https://doi.org/10.1117/12.669691

KEYWORDS: Resonators, Mirrors, Chemical oxygen iodine lasers, Diffraction, Chemical lasers, Laser resonators, Reflectors, Near field, Polymethylmethacrylate, Alignment procedures

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Proceedings Article | 23 March 2005 Paper

Near-diffraction limited high-power COIL emission

Juergen Handke, Frank Duschek, Karin Gruenewald, Thomas Hall, Wolfgang Schall

Proceedings Volume 5777, (2005) https://doi.org/10.1117/12.610983

KEYWORDS: Resonators, Mirrors, Diffraction, Polymethylmethacrylate, Chemical oxygen iodine lasers, Chemical lasers, Reflectors, Laser resonators, Physics, Confocal microscopy

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Proceedings Article | 23 March 2005 Paper

Numerical studies on hybrid resonators for a medium-size COIL

Thomas Hall, Frank Duschek, Karin Gruenewald, Juergen Handke, Wolfgang Schall

Proceedings Volume 5777, (2005) https://doi.org/10.1117/12.610984

KEYWORDS: Mirrors, Resonators, Diffraction, Confocal microscopy, Laser resonators, Chemical oxygen iodine lasers, Laser optics, Physics, Off axis mirrors, Chemical lasers

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Proceedings Article | 23 March 2005 Paper

Measurement of molecular electronic ground state oxygen O2(3sigma) in COIL device

Frank Duschek, Karin Gruenewald, Juergen Handke, Wolfgang Schall

Proceedings Volume 5777, (2005) https://doi.org/10.1117/12.610973

KEYWORDS: Oxygen, Calibration, Chemical oxygen iodine lasers, Chlorine, Diagnostics, Semiconductor lasers, Absorption, Absorption spectroscopy, Molecular electronics, Sensors

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Proceedings Article | 16 June 2004 Paper

High-power COIL fiber transmission for D&D application

Karin Gruenewald, Willy Bohn, Frank Duschek, Juergen Handke, Wolfgang Schall

Proceedings Volume 5479, (2004) https://doi.org/10.1117/12.558188

KEYWORDS: Laser cutting, Chemical oxygen iodine lasers, Nitrogen, Oxygen, Aluminum, Optical fibers, Fiber lasers, Laser processing, Resonators, Nd:YAG lasers

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Proceedings Article | 10 November 2003 Paper

COIL fiber transmission for material cutting applications

Karin Gruenewald, Juergen Handke, Wolfgang Schall, Frank Duschek

Proceedings Volume 5120, (2003) https://doi.org/10.1117/12.515573

KEYWORDS: Laser cutting, Chemical oxygen iodine lasers, Fiber optics, Nitrogen, Chemical lasers, Fiber lasers, Resonators, Metals, Data modeling, Sensors

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Proceedings Article | 10 November 2003 Paper

Disk oxygen generator with closed flow loop for long-term COIL operation

Christian Schreiber, Karin Gruenewald, Juergen Handke, Frank Duschek, Wolfgang Schall

Proceedings Volume 5120, (2003) https://doi.org/10.1117/12.515595

KEYWORDS: Liquids, Chlorine, Oxygen, Wave plates, Chlorine gas, Polymethylmethacrylate, Diagnostics, Helium, Nickel, Physics

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Proceedings Article | 25 January 2001 Paper

Small signal gain and temperature profiles in supersonic COIL

Karin Gruenewald, Juergen Handke, Frank Duschek

Proceedings Volume 4184, (2001) https://doi.org/10.1117/12.414019

KEYWORDS: Iodine, Chemical oxygen iodine lasers, Helium, Printed circuit board testing, Laser beam diagnostics, Oxygen, Temperature metrology, Diagnostics, Mirrors, Scattering

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Proceedings Article | 25 January 2001 Paper

Unstable resonator for COIL

Wolfgang Schall, Thomas Hall, Juergen Handke

Proceedings Volume 4184, (2001) https://doi.org/10.1117/12.413976

KEYWORDS: Resonators, Mirrors, Chemical oxygen iodine lasers, Laser resonators, Chemical lasers, Confocal microscopy, Reflectors, Near field, Glasses, Interferometers

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Proceedings Article | 25 January 2001 Paper

Comparative studies on small signal gain and output power for COIL systems

Juergen Handke, Karin Gruenewald, Frank Duschek

Proceedings Volume 4184, (2001) https://doi.org/10.1117/12.413972

KEYWORDS: Iodine, Chemical oxygen iodine lasers, Oxygen, Resonators, Helium, Laser resonators, Chemical lasers, Chlorine, Mirrors, Chemical analysis

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Proceedings Article | 22 December 1998 Paper

Effects of gas mixing on COIL performance

Karin Gruenewald, Juergen Handke, Wolfgang Schall, Lutz Entress-Fuersteneck

Proceedings Volume 3574, (1998) https://doi.org/10.1117/12.334450

KEYWORDS: Iodine, Chemical oxygen iodine lasers, Oxygen, Helium, Mechanics, Resonators, Gases, Laser cutting, Chemical lasers, Physics

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Proceedings Article | 22 December 1998 Paper

Power extraction investigations for a 10-kW-class supersonic COIL

Juergen Handke, Karin Gruenewald, Wolfgang Schall, Lutz Entress-Fuersteneck

Proceedings Volume 3574, (1998) https://doi.org/10.1117/12.334449

KEYWORDS: Resonators, Mirrors, Iodine, Chemical lasers, Chemical oxygen iodine lasers, Oxygen, Laser resonators, Reflectivity, Data modeling, Beam shaping

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Proceedings Article | 22 December 1998 Paper

Fluid mechanic aspects for rotating disk generators

Wolfgang Schall, Ina Plock, Karin Gruenewald, Juergen Handke

Proceedings Volume 3574, (1998) https://doi.org/10.1117/12.334441

KEYWORDS: Liquids, Oxygen, Chlorine, Nickel, Chemical lasers, Ions, Diffusion, Mechanics, Aerodynamics, Photography

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Proceedings Article | 12 May 1998 Paper

Power extraction for a supersonic chemical oxygen-iodine laser

Lutz Entress-Fuersteneck, Karin Gruenewald, Juergen Handke, Willy Bohn, Wolfgang Schall

Proceedings Volume 3268, (1998) https://doi.org/10.1117/12.308053

KEYWORDS: Resonators, Iodine, Chemical oxygen iodine lasers, Mirrors, Laser resonators, Oxygen, Chemical lasers, Chemical species, Chlorine, Lasers

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Proceedings Article | 4 April 1997 Paper

Investigations on the efficiency of a rotating disk type oxygen generator

Karin Gruenewald, Juergen Handke, Lutz Entress-Fuersteneck, Willy Bohn, Wolfgang Schall

Proceedings Volume 3092, (1997) https://doi.org/10.1117/12.270129

KEYWORDS: Oxygen, Chlorine, Liquids, Diffusion, Interfaces, Chlorine gas, iodine lasers, Foam, Chemical oxygen iodine lasers, High power lasers

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Proceedings Article | 4 April 1997 Paper

Supersonic COIL operation at DLR Germany

Lutz Entress-Fuersteneck, Juergen Handke, Karin Gruenewald, Willy Bohn, Wolfgang Schall

Proceedings Volume 3092, (1997) https://doi.org/10.1117/12.270169

KEYWORDS: Chlorine, Oxygen, Chemical oxygen iodine lasers, Iodine, Chemical lasers, Control systems, Chlorine gas, Data acquisition, Helium, Lasers

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Proceedings Article | 4 April 1997 Paper

Power-flow investigation for evaluating COIL performance

Willy Bohn, Wolfgang Schall, Lutz von Entress-Fuersteneck, Juergen Handke, K. Grunewald

Proceedings Volume 2987, (1997) https://doi.org/10.1117/12.271558

KEYWORDS: Chemical oxygen iodine lasers, Oxygen, Resonators, Performance modeling, Chlorine, Laser resonators, Optical resonators, Temperature metrology, Laser applications, Diagnostics

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