Prof. Willy L. Bohn Profile

Prof. Willy L. Bohn

CEO at BohnLaser Consult

SPIE Involvement:

Conference Program Committee | Editor | Author

Publications (36)

Proceedings Article | 12 September 2021 Presentation

Welcome and Introduction to High Power Lasers Conference

Willy Bohn, Harro Ackermann

Proceedings Volume 11867, 1186703 (2021) https://doi.org/10.1117/12.2613730

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Proceedings Article | 20 September 2020 Presentation

Opening Remarks by Conference Chairs

Robert Grasso, David Titterton, Willy Bohn, Harro Ackermann, Mark Richardson

Proceedings Volume 11539, 1153902 (2020) https://doi.org/10.1117/12.2584115

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Proceedings Article | 16 November 2010 Paper

Long range laser propagation: power scaling and beam quality issues

Willy Bohn

Proceedings Volume 7751, 775127 (2010) https://doi.org/10.1117/12.878606

KEYWORDS: High power lasers, Fiber lasers, Solid state lasers, Diffraction, Laser beam propagation, Nd:YAG lasers, LIDAR, Laser sources, Airborne laser technology, Neodymium

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Proceedings Article | 14 May 2008 Paper

Novel aspects in laser propulsion

Willy Bohn

Proceedings Volume 7005, 70051C (2008) https://doi.org/10.1117/12.785634

KEYWORDS: Laser sources, Laser propulsion, Mirrors, Carbon dioxide lasers, Space telescopes, Solid state lasers, Solar energy, Pulsed laser operation, Telescopes, Resonators

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Proceedings Article | 14 February 2008 Paper

Mode dynamics and thermal lens effects of thin-disk lasers

J. Mende, J. Speiser, G. Spindler, W. Bohn, A. Giesen

Proceedings Volume 6871, 68710M (2008) https://doi.org/10.1117/12.776674

KEYWORDS: Resonators, Thermal effects, Numerical simulations, Laser resonators, Mirrors, Modes of laser operation, Disk lasers, Luminescence, High power lasers, Solid state lasers

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Proceedings Article | 23 October 2007 Paper

A 2µm-pump laser-based DIRCM system and aero-optics in the mid-IR

Günther Renz, Willy Bohn

Proceedings Volume 6738, 67380B (2007) https://doi.org/10.1117/12.746588

KEYWORDS: Atmospheric propagation, Missiles, Laser systems engineering, Pulsed laser operation, Directed infrared countermeasures, Turbulence, Laser beam propagation, Fiber lasers, Staring arrays, Laser countermeasures

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Proceedings Article | 10 May 2007 Paper

Two-micron thulium-pumped-holmium laser source for DIRCM applications

Günther Renz, Willy Bohn

Proceedings Volume 6552, 655202 (2007) https://doi.org/10.1117/12.722248

KEYWORDS: Crystals, Pulsed laser operation, Directed infrared countermeasures, Fiber lasers, Atmospheric propagation, Laser systems engineering, Optical parametric oscillators, Absorption, Laser crystals, Missiles

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Proceedings Article | 9 June 2006 Paper

Fundamental and overtone band lasing in RF discharge supersonic CO laser

L. Seleznev, W. Bohn, H. von Bülow, S. Dass, G. Hager, A. Ionin, Yu. Klimachev, A. Kotkov, J. McIver, J. McCord, R. Tate

Proceedings Volume 6053, 605308 (2006) https://doi.org/10.1117/12.660055

KEYWORDS: Gas lasers, Carbon monoxide, Laser resonators, Laser systems engineering, Laser development, Electrical efficiency, Resonators, Pulsed laser operation, High power lasers, Optical resonators

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Proceedings Article | 31 May 2006 Paper

Supersonic overtone CO laser: research and development

W. Bohn, H. von Bülow, S. Dass, G. Hager, A. Ionin, Yu. Klimachev, A. Kotkov, J. McCord, J. McIver, L. Seleznev, D. Sinitsyn, R. Tate

Proceedings Volume 6263, 626303 (2006) https://doi.org/10.1117/12.677387

KEYWORDS: Gas lasers, Laser resonators, Carbon monoxide, Laser development, Molecules, Resonators, Continuous wave operation, Molecular lasers, Analytical research, Laser systems engineering

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Proceedings Article | 23 March 2005 Paper

Propulsion by light: visions of the German pioneer Eugen Sänger

Willy Bohn

Proceedings Volume 5777, (2005) https://doi.org/10.1117/12.611339

KEYWORDS: Plasma, Rockets, Photons, Space operations, Uranium, Laser applications, Sun, Physics, Ions, Reflectors

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Proceedings Article | 20 September 2004 Paper

Supersonic RF discharge CO laser operating in fundamental (Δ=1) and overtone (Δ=2) spectral bands

John McCord, Ralph Tate, S. Dass, Gordon Hager, Andrei Ionin, Leonid Seleznev, Willy Bohn, Hartwig von Buelow, John McIver

Proceedings Volume 5448, (2004) https://doi.org/10.1117/12.568353

KEYWORDS: Gas lasers, Carbon monoxide, Electrical efficiency, Laser systems engineering, Resonators, Throat, Physics, Optical resonators, Output couplers, Laser resonators

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Proceedings Article | 20 September 2004 Paper

Propulsion by light: a tribute to the German pioneer Eugen Sänger (Plenary Paper)

Willy Bohn

Proceedings Volume 5448, (2004) https://doi.org/10.1117/12.548453

KEYWORDS: Plasma, Rockets, Photons, Space operations, Uranium, Laser applications, Ions, Physics, Ionization, Bismuth

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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

International COIL technology survey

Willy Bohn

Proceedings Volume 5120, (2003) https://doi.org/10.1117/12.515528

KEYWORDS: Chemical oxygen iodine lasers, Iodine, Oxygen, Liquids, Resonators, Molecules, Roads, Laser applications, Airborne laser technology, Chlorine gas

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Proceedings Article | 13 September 2002 Paper

High-power CO-overtone laser

Willy Bohn, Hans-Albert Eckel, Wolfgang Riede, S. Walther

Proceedings Volume 4760, (2002) https://doi.org/10.1117/12.482119

KEYWORDS: Carbon monoxide, Gas lasers, Mirrors, Pulsed laser operation, High power lasers, Laser energy, Electron beams, Copper, Solid state lasers, Power supplies

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Proceedings Article | 6 May 2002 Paper

German COIL efforts: status and perspectives

Willy Bohn

Proceedings Volume 4631, (2002) https://doi.org/10.1117/12.465792

KEYWORDS: Chemical oxygen iodine lasers, Resonators, Oxygen, Iodine, Gas lasers, Laser cutting, Defense and security, Liquids, Nd:YAG lasers, Microwave radiation

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Proceedings Article | 16 August 2000 Paper

Lightcraft experiments in Germany

Wolfgang Schall, Willy Bohn, Hans-Albert Eckel, Wilhelm Mayerhofer, Wolfgang Riede, Eberhard Zeyfang

Proceedings Volume 4065, (2000) https://doi.org/10.1117/12.407369

KEYWORDS: Pulsed laser operation, Plasma, Wave propagation, Laser energy, Photography, Spherical lenses, Mirrors, Information operations, Laser applications, Laser propulsion

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Proceedings Article | 4 May 2000 Paper

Recent results of iodine and water diagnostics in supersonic COIL

Frank Duschek, Karin Gruenewald, Willy Bohn

Proceedings Volume 3931, (2000) https://doi.org/10.1117/12.384278

KEYWORDS: Iodine, Chemical oxygen iodine lasers, Temperature metrology, Oxygen, Diagnostics, Laser systems engineering, Absorption, Chemical species, Semiconductor lasers, Chemical lasers

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Proceedings Article | 1 February 2000 Paper

Laser lightcraft performance

Willy Bohn

Proceedings Volume 3885, (2000) https://doi.org/10.1117/12.376982

KEYWORDS: Pulsed laser operation, Laser energy, Plasma, Data modeling, Gas lasers, Optical diagnostics, Carbon dioxide lasers, Laser range finders, Laser propulsion, Photography

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Proceedings Article | 7 June 1999 Paper

Pulsed COIL for space debris removal

Willy Bohn

Proceedings Volume 3612, (1999) https://doi.org/10.1117/12.350654

KEYWORDS: Chemical oxygen iodine lasers, Pulsed laser operation, Continuous wave operation, Laser ablation, Laser applications, Gas lasers, Chemical lasers, Solid state lasers, Glasses

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Proceedings Article | 22 December 1998 Paper

Solid state thin disk laser

Helmut Huegel, Willy Bohn

Proceedings Volume 3574, (1998) https://doi.org/10.1117/12.334426

KEYWORDS: Crystals, Resonators, Absorption, Semiconductor lasers, Laser crystals, Nd:YAG lasers, Diodes, Pulsed laser operation, Mirrors, Solid state lasers

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Proceedings Article | 14 September 1998 Paper

High-power supersonic chemical oxygen iodine laser

Willy Bohn

Proceedings Volume 3343, (1998) https://doi.org/10.1117/12.321548

KEYWORDS: Chemical oxygen iodine lasers, Oxygen, Pulsed laser operation, Continuous wave operation, Iodine, Chlorine, High power lasers, Resonators, Space operations, Laser resonators

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Proceedings Article | 29 June 1998 Paper

Gas lasers and their applications

Willy Bohn

Proceedings Volume 3403, (1998) https://doi.org/10.1117/12.311942

KEYWORDS: Gas lasers, Carbon monoxide, Chemical oxygen iodine lasers, Pulsed laser operation, High power lasers, Carbon dioxide lasers, Infrared lasers, Waveguide lasers, Diffusion, Laser applications

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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

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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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 | 29 March 1996 Paper

Current status of COIL research in Germany

Willy Bohn

Proceedings Volume 2702, (1996) https://doi.org/10.1117/12.236891

KEYWORDS: Chemical oxygen iodine lasers, Chlorine, Oxygen, Iodine, Laser processing, Carbon dioxide lasers, Chemical lasers, Industrial chemicals, Resonators, Optical resonators

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Proceedings Article | 13 February 1996 Paper

COIL activities in Germany

Willy Bohn

Proceedings Volume 2767, (1996) https://doi.org/10.1117/12.232181

KEYWORDS: Chemical oxygen iodine lasers, Oxygen, Laser applications, Iodine, Gas lasers, Liquids, Chlorine, iodine lasers, Carbon dioxide lasers, Fullerenes

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Proceedings Article | 13 February 1996 Paper

Multikilowatt supersonic chemical oxygen iodine laser

Juergen Handke, Wolfgang Schall, Willy Bohn, Lutz Entress-Fuersteneck, Karin Gruenewald, G. Kwirandt, Anke Werner

Proceedings Volume 2767, (1996) https://doi.org/10.1117/12.232184

KEYWORDS: Chlorine, Oxygen, Iodine, Chemical oxygen iodine lasers, Resonators, Chlorine gas, Cryogenics, Gas lasers, Chemical lasers, Lasers

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Proceedings Article | 31 March 1995 Paper

Multikilowatt supersonic chemical oxygen-iodine laser

Juergen Handke, Anke Werner, Willy Bohn, Wolfgang Schall

Proceedings Volume 2502, (1995) https://doi.org/10.1117/12.204922

KEYWORDS: Iodine, Oxygen, Chemical oxygen iodine lasers, Chlorine, Liquids, Chemical lasers, Cryogenics, Laser resonators, Resonators, Gas lasers

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Proceedings Article | 8 June 1994 Paper

Technological cooperation in Germany and the European Union

Willy Bohn

Proceedings Volume 2214, (1994) https://doi.org/10.1117/12.177675

KEYWORDS: Laser applications, Solar energy, Gas lasers, Laser processing, Telecommunications, Carbon dioxide lasers, Laser cutting, Laser development, High power lasers, Information technology

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Proceedings Article | 6 June 1993 Paper

Specific power optimization for COIL

Willy Bohn

Proceedings Volume 1871, (1993) https://doi.org/10.1117/12.145223

KEYWORDS: Oxygen, Chemical oxygen iodine lasers, Iodine, Data modeling, Laser damage threshold, Chemical species, Molecules, Laser applications

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Proceedings Article | 4 May 1993 Paper

Chemical oxygen-iodine laser: achievements, problems, and future perspectives

Willy Bohn

Proceedings Volume 1810, (1993) https://doi.org/10.1117/12.144690

KEYWORDS: Chemical oxygen iodine lasers, Oxygen, Iodine, Liquids, Chemical lasers, Chlorine, Chlorine gas, Pulsed laser operation, High power lasers, Photolysis

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Proceedings Article | 1 February 1991 Paper

Small-signal gain in the oxygen-iodine laser

Willy Bohn, Keith Truesdell, W. Pete Latham, Petras Avizonis

Proceedings Volume 1397, (1991) https://doi.org/10.1117/12.25952

KEYWORDS: Oxygen, Iodine, Weapons, Molecules, Signal processing, Particles, Molecular lasers, Chemical lasers, Temperature metrology, Gas lasers

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Proceedings Article | 1 June 1990 Paper

Oxygen iodine laser kinetics and small signal gain

Willy Bohn, Keith Truesdell, W. Pete Latham, Petras Avizonis

Proceedings Volume 1225, (1990) https://doi.org/10.1117/12.34703

KEYWORDS: Data modeling, Oxygen, Weapons, iodine lasers, Physics, Electroluminescence, High power lasers, Gas lasers

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Showing 5 of 36 publications

Proceedings Volume Editor (15)

SPIE Conference Volume | 1 November 2024

High-Power Lasers and Technologies for Optical Countermeasures II

SPIE Conference Volume | 14 November 2023

High Power Lasers: Technology and Systems, Platforms, Effects VI

SPIE Conference Volume | 5 December 2022

High-Power Lasers and Technologies for Optical Countermeasures

SPIE Conference Volume | 6 October 2021

Technologies for Optical Countermeasures XVIII and High-Power Lasers: Technology and Systems, Platforms, Effects V

SPIE Conference Volume | 7 October 2020

Technologies for Optical Countermeasures XVII; and High-Power Lasers: Technology and Systems, Platforms, Effects IV

Showing 5 of 15 publications

Conference Committee Involvement (37)

Advanced Lasers, High-Power Lasers, and Applications XVI

12 October 2025 | Beijing, China

High-Power Lasers and Technologies for Optical Countermeasures III

15 September 2025 | Madrid, Spain

Advanced Lasers, High-Power Lasers, and Applications XV

12 October 2024 | Nantong, Jiangsu, China

High-Power Lasers and Technologies for Optical Countermeasures II

16 September 2024 | Edinburgh, United Kingdom

Advanced Lasers, High-Power Lasers, and Applications XIV

14 October 2023 | Beijing, China

High Power Lasers: Technology and Systems, Platforms, Effects VI

6 September 2023 | Amsterdam, Netherlands

Advanced Lasers, High-Power Lasers, and Applications XIII

5 December 2022 | Online Only, China

High-Power Lasers and Technologies for Optical Countermeasures

6 September 2022 | Berlin, Germany

Advanced Lasers, High-Power Lasers, and Applications XII

10 October 2021 | Nantong, JS, China

Technologies for Optical Countermeasures XVIII and High Power Lasers: Technology and Systems, Platforms, Effects V

13 September 2021 | Online Only, Spain

High-Power Lasers and Applications XI

12 October 2020 | Online Only, China

Technologies for Optical Countermeasures XVII; and High-Power Lasers: Technology and Systems, Platforms, Effects IV

22 September 2020 | Online Only, United Kingdom

High-Power Lasers and Applications X

22 October 2019 | Hangzhou, China

High Power Lasers: Technology and Systems, Platforms, Effects III

11 September 2019 | Strasbourg, France

High-Power Lasers and Applications IX

11 October 2018 | Beijing, China

High Power Lasers: Technology and Systems, Platforms, Effects

12 September 2018 | Berlin, Germany

High Power Lasers: Technology and Systems, Platforms, Effects

13 September 2017 | Warsaw, Poland

High-Power Lasers and Applications VIII

12 October 2016 | Beijing, China

High-Power Lasers: Technology and Systems

29 September 2016 | Edinburgh, United Kingdom

XXI International Symposium on High Power Laser Systems and Applications

5 September 2016 | Gmunden, Austria

High-Power Lasers 2015: Technology and Systems

21 September 2015 | Toulouse, France

High-Power Lasers and Applications VII

9 October 2014 | Beijing, China

High-Power Lasers 2014: Technology and Systems

22 September 2014 | Amsterdam, Netherlands

High-Power Lasers 2013: Technology and Systems

23 September 2013 | Dresden, Germany

High-Power Lasers and Applications VI

5 November 2012 | Beijing, China

High-Power Lasers: Technology and Systems

24 September 2012 | Edinburgh, United Kingdom

High-Power Lasers and Applications V

18 October 2010 | Beijing, China

High-Power Laser Ablation VII

20 April 2008 | Taos, New Mexico, United States

High-Power Lasers and Applications IV

12 November 2007 | Beijing, China

High-Power Laser Ablation VI

7 May 2006 | Taos, NM, United States

International Conference on Lasers, Applications, and Technologies 2005: High-Power Lasers and Applications

11 May 2005 | St. Petersburg, Russian Federation

High-Power Lasers and Applications III

8 November 2004 | Beijing, China

High-Power Laser Ablation V

25 April 2004 | Taos, New Mexico, United States

Gas and Chemical Lasers, and Applications IV

26 January 2004 | San Jose, Ca, United States

Gas and Chemical Lasers and Intense Beam V

30 January 2003 | San Jose, CA, United States

Gas Flow and Chemical Lasers: Tenth International Symposium

5 September 1994 | Friedrichshafen, Germany

Gas Flow and Chemical Lasers: Tenth International Symposium

5 September 1994 | Friedrichshafen, Germany

Showing 5 of 37 Conference Committees

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