Dr. Markus Bohrer Profile

Dr. Markus Bohrer

CEO at Dr Bohrer Lasertec GmbH

SPIE Involvement:

Author

Publications (22)

Proceedings Article | 12 March 2024 Presentation + Paper

High-power laser material processing utilizing high-speed combined motion of scanner and linear axes system

Murad Jamalieh, Farshid Entessari, Markus Bohrer

Proceedings Volume 12878, 1287806 (2024) https://doi.org/10.1117/12.3002889

KEYWORDS: Laser cutting, Laser scanners, Kinematics, Laser processing, Scanners, Scanning electron microscopy, Clocks, Beam steering, Beam path, Materials processing

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Proceedings Article | 13 March 2019 Presentation

Superpulsed and gated pulsed sealed off CO2 laser resonators with state of the art combined LD-MOS rf amplifiers, their transient behavior during pulsing and the results in application with CLSM and SEM evaluation (Conference Presentation)

Markus Bohrer, Murad Jamalieh

Proceedings Volume 10904, 109041Q (2019) https://doi.org/10.1117/12.2510475

KEYWORDS: Resonators, Amplifiers, Laser marking, Laser development, Modulation, Semiconductors, Pulsed laser operation, Carbon dioxide lasers, Scanning electron microscopy, Printing

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Proceedings Article | 27 February 2019 Presentation + Paper

Real-time in-focus CO2 and fiber laser beam optimization with a twin hexapod operated beam expander and fully automated beam analysis with simultaneous raw and focused beam measurement

Murad Jamalieh, Markus Bohrer

Proceedings Volume 10911, 109110J (2019) https://doi.org/10.1117/12.2507426

KEYWORDS: Beam expanders, Gas lasers, Laser cutting, Beam splitters, Laser engraving, Fiber lasers, Optical testing

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Proceedings Article | 21 April 2017 Presentation

Laser-beam characterization and measurement of laser-beam parameters including external optics with a fully automated twin hexapod operated beam expander and evaluation of the influence of optical components on beam quality with defined tilts and shifts (Conference Presentation)

Markus Bohrer, Bernhard Weinberger, Murad Jamalieh

Proceedings Volume 10090, 100901T (2017) https://doi.org/10.1117/12.2251149

KEYWORDS: Laser resonators, Laser marking, Beam expanders, Optical components, Optical benches, Beam controllers, Beam shaping, Laser sources, Resonators, Basic research

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Proceedings Article | 13 January 2017 Paper

High power CO2 laser development with AOM integration for ultra high-speed pulses

Markus Bohrer, Matthias Vaupel, Robert Nirnberger, Bernhard Weinberger, Murad Jamalieh

Proceedings Volume 10254, 102540U (2017) https://doi.org/10.1117/12.2263755

KEYWORDS: Printing, Bragg cells, Gas lasers, Laser engraving, Carbon, Carbon monoxide, Acoustics, Scanning electron microscopy, Image processing, Packaging

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Proceedings Article | 18 March 2016 Paper

Calibration of ultra high speed laser engraving processes by correlating influencing variables including correlative evaluation with SEM and CLSM

Markus Bohrer, Matthias Vaupel, Robert Nirnberger, Bernhard Weinberger

Proceedings Volume 9741, 974108 (2016) https://doi.org/10.1117/12.2213350

KEYWORDS: Laser engraving, Carbon dioxide lasers, Bragg cells, Scanning electron microscopy, Microscopy, Signal processing, Confocal microscopy, Calibration, Laser processing, Printing, Image processing, Laser applications

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Proceedings Article | 16 December 2015 Paper

Correlative microscopy including CLSM and SEM to improve high-speed, high-resolution laser-engraved print and embossing forms

Markus Bohrer, Michael Schweitzer, Robert Nirnberger, Bernhard Weinberger

Proceedings Volume 9636, 963609 (2015) https://doi.org/10.1117/12.2197471

KEYWORDS: Printing, Scanning electron microscopy, Laser engraving, Image processing, Carbon dioxide lasers, Microscopy, Security printing, Nonimpact printing, Signal processing, Sensors

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Proceedings Article | 12 May 2015 Paper

AOM optimization with ultra stable high power CO2 lasers for fast laser engraving

Markus Bohrer

Proceedings Volume 9513, 95130H (2015) https://doi.org/10.1117/12.2179040

KEYWORDS: Bragg cells, Carbon dioxide lasers, Laser engraving, Carbon, Laser stabilization, Printing, Crystals, Resonators, High power lasers, Laser crystals

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Proceedings Article | 3 March 2015 Paper

Ultra stable carbon fiber high power CO2 laser with high quality laser beam and AOM implementation

Markus Bohrer

Proceedings Volume 9343, 93431O (2015) https://doi.org/10.1117/12.2079911

KEYWORDS: Bragg cells, Carbon dioxide lasers, Carbon, Acoustics, Laser engraving, Laser stabilization, Crystals, Resonators, Printing, Laser resonators

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Proceedings Article | 26 March 2001 Paper

Application of wavelets for online laser process observer

Christoph Steiger, Thomas Gruenberger, Arnold Braunsteiner, Markus Bohrer, Manfred Bammer

Proceedings Volume 4391, (2001) https://doi.org/10.1117/12.421202

KEYWORDS: Wavelets, Digital signal processing, Laser welding, Laser processing, Signal processing, Data compression, Plasma, Laser cutting, MATLAB, Compact discs

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Proceedings Article | 24 November 1999 Paper

Sensors and controls for intelligent machining

Arnold Braunsteiner, Georg Hutflesz, Thomas Gruenberger, Markus Bohrer

Proceedings Volume 3832, (1999) https://doi.org/10.1117/12.371169

KEYWORDS: Sensors, Signal processing, Control systems, Digital signal processing, Laser cutting, Silicon, Convolution, Intelligent sensors, Signal detection, Visualization

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Proceedings Article | 20 August 1999 Paper

Managing quality control of laser machining

Markus Bohrer, Georg Hutflesz, Manfred Bammer, Stephan Fazeny

Proceedings Volume 3833, (1999) https://doi.org/10.1117/12.359508

KEYWORDS: Sensors, Signal processing, Laser cutting, Laser welding, Silicon, Beam controllers, Laser processing, Beam guidance systems, Mirrors, Germanium

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Proceedings Article | 24 June 1998 Paper

Plasma vs. rf interactions in fast-flow CO2 high-power lasers

Tuan Le, Heinz Basalka, Markus Bohrer, Dieter Schuoecker

Proceedings Volume 3264, (1998) https://doi.org/10.1117/12.311907

KEYWORDS: Electrodes, Plasma, Carbon dioxide lasers, Carbon dioxide, Particles, High power lasers, Molecules, Gas lasers, Quartz, Tin

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Proceedings Article | 13 May 1998 Paper

6-kW coaxial high-power CO2-laser resonator

Markus Bohrer, Heinz Basalka, Dieter Schuoecker

Proceedings Volume 3267, (1998) https://doi.org/10.1117/12.308100

KEYWORDS: Mirrors, Resonators, Carbon dioxide lasers, Electrodes, Laser resonators, Laser welding, Copper, Reliability, Laser sources, Near field

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Proceedings Article | 12 May 1998 Paper

High-speed thin metal sheet welding with high-power CO2-lasers

Arnold Braunsteiner, Markus Bohrer, Dieter Schuoecker

Proceedings Volume 3268, (1998) https://doi.org/10.1117/12.308094

KEYWORDS: Laser welding, Metals, Carbon dioxide lasers, Zinc, Laser processing, Coating, Laser marking, Materials processing, Laser applications, Laser development

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Proceedings Article | 12 May 1998 Paper

Process monitoring for laser welding using a quality sensor for cutting

Stephan Fazeny, Andreas Penz, Markus Bohrer, Dieter Schuoecker

Proceedings Volume 3268, (1998) https://doi.org/10.1117/12.308076

KEYWORDS: Sensors, Laser cutting, Signal processing, Laser processing, Photodiodes, Laser welding, Plasma, Image sensors, Visible radiation, Mirrors

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Proceedings Article | 12 May 1998 Paper

Mathematical means of the process data acquisition for sensor engineering

Georg Hutflesz, Markus Bohrer, Stephan Fazeny, Dieter Schuoecker

Proceedings Volume 3268, (1998) https://doi.org/10.1117/12.308075

KEYWORDS: Sensors, Laser cutting, Signal processing, Silicon, Photography, Germanium, Data acquisition, Mirrors, Data processing, Algorithm development

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Proceedings Article | 25 September 1997 Paper

Influence of the focusing element for CO2 laser beams on monitored process signals

Stephan Fazeny, Andreas Penz, Markus Bohrer, Dieter Schuoecker

Proceedings Volume 3100, (1997) https://doi.org/10.1117/12.287758

KEYWORDS: Sensors, Signal processing, Image sensors, Laser cutting, Chemical elements, Temperature metrology, Solids, Diodes, Mirrors, Carbon dioxide lasers

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Proceedings Article | 25 September 1997 Paper

On-line quality visualization and mathematical evaluation of thin metal laser cuts

Georg Hutflesz, Markus Bohrer, Stephan Fazeny, Dieter Schuoecker

Proceedings Volume 3100, (1997) https://doi.org/10.1117/12.281260

KEYWORDS: Laser cutting, Sensors, Signal processing, Process control, Silicon, Visualization, Metals, Laser processing, Laser welding, Control systems

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Proceedings Article | 18 August 1997 Paper

Welding of aluminium, copper, and brass

Arnold Braunsteiner, Markus Bohrer, Dieter Schuoecker

Proceedings Volume 3097, (1997) https://doi.org/10.1117/12.281074

KEYWORDS: Laser welding, Aluminum, Copper, Carbon dioxide lasers, High power lasers, Metals, Laser applications, Laser development, Argon, Laser marking

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Proceedings Article | 18 August 1997 Paper

Internal and external optics for coaxial high-power CO2 lasers

Markus Bohrer, Heinz Basalka, Dieter Schuoecker

Proceedings Volume 3097, (1997) https://doi.org/10.1117/12.281088

KEYWORDS: Mirrors, Resonators, Optical components, High power lasers, Reflectors, Carbon dioxide lasers, Laser marking, Electrodes, Laser optics, Collimators

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Proceedings Article | 4 May 1993 Paper

Gas lasers with coaxial electrodes for ultrahigh beam power

Markus Bohrer, Dieter Schuoecker

Proceedings Volume 1810, (1993) https://doi.org/10.1117/12.144642

KEYWORDS: Electrodes, Plasma, Gas lasers, Resonators, High power lasers, Laser development, Capacitance, Dielectrics, Cooling systems, Estimation theory

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