Projects per year
Personal profile
Research interests
- Thermal infrared signatures
- Laser EO/IR countermeasures
- Polarimetric light scattering
Education/Academic qualification
Physics, Master, Applied Computer Science, Computer Systems Networking, Telecommunications, Image Processing and Programming, Vrije Universiteit Brussel
2010 → 2013
Award Date: 8 Aug 2013
Physics, PhD, Polarimetric signatures of roughened surfaces, Cranfield University
1995 → 2001
Award Date: 15 Sept 2001
Physics, Bachelor, Joint Bachelor of Science (Honors) Physics and Meteorology, University of Reading
1987 → 1990
Award Date: 19 Jun 1990
Keywords
- U Military Science (General)
- dircm
- mwir imaging
- lasers
- thermal infrared
- laser dazzler
- infrared countermeasures
- IR camouflage assessment
- thermal signatures
- seekers
- QC Physics
- lasers
- infrared
- light scattering
- atmospheric propagation
- optics
- polarisation
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Collaborations and top research areas from the last five years
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Laser Countermeasures IR: Laser countermeasures to combat ‘smart’ infrared imaging guided threats
Vandewal, M. (Promotor) & Lewis, G. (Researcher)
1/06/22 → 31/05/26
Project: Research
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ALCAAT: Adaptive Laser Countermeasures Against Advanced IR-Guided Threats
Vandewal, M. (Promotor) & Lewis, G. (Researcher)
1/06/26 → 31/05/30
Project: Research
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DAP/18-02: Vulnerability of mid-wave infrared thermal imaging systems to current and future laser weapon threats
Vandewal, M. (Promotor) & Lewis, G. (Researcher)
1/02/18 → 31/05/22
Project: Research
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MRN/12: IR Signature Simulation and Management of Maritime Scenes (IR S2M2S)
Merken, P. (Promotor) & Lewis, G. (Researcher)
1/03/12 → 31/01/18
Project: Research
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Microcontroller-based pulse coding of quantum cascade lasers for infrared countermeasures and communication
Lewis, G., 29 Oct 2025, In: Proceedings of SPIE - The International Society for Optical Engineering. 13675, 2025Research output: Contribution to journal › Conference article › peer-review
Open AccessFile -
Optical degradation of germanium with elevated temperature: Consequences for infrared imaging systems
Desnijder, K., Lewis, G. D. & Vandewal, M., Dec 2025, In: Optics and Laser Technology. 192, 113648.Research output: Contribution to journal › Article › peer-review
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Non-linear laser dazzling an off-band filtered mid-infrared imager
Lewis, G. D., Gnavni, J. & Vandewal, M., 2024, High-Power Lasers and Technologies for Optical Countermeasures II. Bohn, W. L., Eichhorn, M. & Lewis, G. D. (eds.). Society of Photo-Optical Instrumentation Engineers, 132010C. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 13201).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
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The disruptive Impact of dynamic laser dazzling on template matching algorithms applied to thermal infrared imagery
Lewis, G., Borghgraef, A. & Vandewal, M., 23 Oct 2023, Technologies for Optical Countermeasures XIX. Grasso, R. J., Eichhorn, M. & Lewis, G. D. (eds.). Society of Photo-Optical Instrumentation Engineers, Vol. 12738. 15 p. 1273803. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12738).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open AccessFile223 Downloads (Pure) -
The effectiveness of amplitude modulation on the laser dazzling of a mid-infrared imager
Lewis, G. D., Struyve, R., Boeckx, C. & Vandewal, M., 2022, High-Power Lasers and Technologies for Optical Countermeasures. Titterton, D. H., Grasso, R. J., Ackermann, H., Bohn, W. L. & Richardson, M. A. (eds.). Society of Photo-Optical Instrumentation Engineers, 122730J. (Proceedings of SPIE - The International Society for Optical Engineering; vol. 12273).Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review
Open AccessFile132 Downloads (Pure)
Activities
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Optronics lab presentation to an academic delegation of the Tunisian Naval Academy.
Lewis, G. (Speaker)
20 Jun 2023Activity: Talk or presentation › Oral scientific presentation
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SPIE Security + Defence 2023
Lewis, G. (Chair)
3 Sept 2023 → 7 Sept 2023Activity: Participating in or organising an event (conference, measurement campaign, ...) › Organising a conference, workshop, ... (outside RMA)
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Investigation of mid-wave infrared ship signatures
Lewis, G. (Poster presenter), Merken, P. (Co-author), Lewis, G. (Co-author) & Vandewal, M. (Co-author)
5 Apr 2017Activity: Talk or presentation › Scientific poster presentation
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Vulnerability of mid-wave infrared imaging systems to current and future laser
Lewis, G. (Poster presenter) & Vandewal, M. (Poster presenter)
23 May 2018Activity: Talk or presentation › Scientific poster presentation
File -
DAP18/02: Vulnerability of mid-wave infrared imaging systems to current and future laser weapon threats (Safeguard-FLIR)
Lewis, G. (Co-author) & Vandewal, M. (Co-author)
18 May 2023Activity: Talk or presentation › Scientific poster presentation