Dr. Ralph F. Delmdahl Profile

Dr. Ralph F. Delmdahl

Sr Product Marketing Manager at Coherent LaserSystems GmbH & Co. KG

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Author

Publications (18)

Proceedings Article | 17 March 2023 Presentation + Paper

Sub-micrometer structuring of surfaces with deep UV lasers

Serhiy Danylyuk, Martin Osbild, Leon Korr, Max Fischer, Ralph Delmdahl, Martin Reininghaus

Proceedings Volume 12409, 1240911 (2023) https://doi.org/10.1117/12.2647865

KEYWORDS: Photomasks, Deep ultraviolet, Laser ablation, Pulsed laser operation, Excimer lasers, Ultraviolet radiation, Laser applications

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Proceedings Article | 17 March 2023 Presentation + Paper

How lasers support the climate roadmap by enabling zero-carbon fusion reactors

Ralph Delmdahl, Oliver Haupt, Max Fischer

Proceedings Volume 12409, 124090G (2023) https://doi.org/10.1117/12.2647374

KEYWORDS: Excimer lasers, Pulsed laser deposition, Laser cutting, Thin films

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Proceedings Article | 4 March 2022 Presentation + Paper

Pulsed laser deposition systems and lasers for pilot and volume production

Ralph Delmdahl, Oliver Haupt, Bart Berenbak, Lennart de Vreede, Arjen Janssens

Proceedings Volume 11989, 119890K (2022) https://doi.org/10.1117/12.2606173

KEYWORDS: Semiconducting wafers, Pulsed laser deposition, Thin films, Laser stabilization, Excimer lasers, Thin film deposition, Sputter deposition, Manufacturing, Laser applications, Aluminum nitride

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Proceedings Article | 4 March 2022 Presentation + Paper

MicroLEDs: high precision large scale UV laser lift-off and mass transfer processes

Oliver Haupt, Jan Brune, Muhammad Fatahilah, Ralph Delmdahl

Proceedings Volume 11989, 119890I (2022) https://doi.org/10.1117/12.2610137

KEYWORDS: Semiconducting wafers, Laser liftoff, Gallium nitride, Ultraviolet radiation, Photomasks, Optical testing, RGB color model, Receivers, Laser energy, Excimer lasers

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Proceedings Article | 2 March 2020 Presentation + Paper

Superior microstructures for advanced package integration

R. Delmdahl, R. Pätzel, J. Brune, D. Müller

Proceedings Volume 11268, 1126813 (2020) https://doi.org/10.1117/12.2549510

KEYWORDS: Laser ablation, Excimer lasers, Polymers, Oscillators, Packaging, Laser drilling, Microscopes, Polymer thin films

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Proceedings Article | 9 September 2019 Open Access

Novel UV line beam system for large area processing with 248 nm (Withdrawal Notice)

Matthias Trenn, Ralph Delmdahl, Patrick Sperling

Proceedings Volume 11105, 1110502 (2019) https://doi.org/10.1117/12.2529261

KEYWORDS: Excimer lasers, Ultraviolet radiation, Graphene, Oxides, Thin films, Laser applications, Electrodes, Resistance, Pulsed laser operation, Semiconducting wafers

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Proceedings Article | 27 February 2019 Presentation + Paper

Large-area UV processing with a novel 248nm line beam system

Ralph Delmdahl, Matthias Trenn, Christian Hördemann, Arnold Gillner

Proceedings Volume 10911, 1091106 (2019) https://doi.org/10.1117/12.2508268

KEYWORDS: Laser ablation, Carbon, Laser applications, Laser processing, Excimer lasers, Ultraviolet radiation, Crystals, Optical fibers, Pulsed laser operation, Laser systems engineering

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Proceedings Article | 17 February 2017 Presentation + Paper

Power and pulse energy scaling for high-volume UV-laser microprocessing

Ralph Delmdahl, Oliver Haupt, Igor Bragin, Hans-Stephan Albrecht

Proceedings Volume 10092, 1009215 (2017) https://doi.org/10.1117/12.2256018

KEYWORDS: Excimer lasers, Ultraviolet radiation, High power lasers, Laser processing, Pulsed laser operation, Laser systems engineering, Laser applications, Semiconducting wafers, Capacitors, Manufacturing

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Proceedings Article | 4 March 2016 Paper

Advances in 193 nm excimer lasers for mass spectrometry applications

Ralph Delmdahl, Hans-Gerd Esser, Guido Bonati

Proceedings Volume 9736, 97361P (2016) https://doi.org/10.1117/12.2212885

KEYWORDS: Excimer lasers, Mass spectrometry, Laser ablation, Ultraviolet radiation, Solids, Proteins, Laser development, Laser sources, Laser systems engineering, Pulsed laser operation, Gas lasers, Laser applications, Laser stabilization

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Proceedings Article | 8 February 2012 Paper

Average power scaling of UV excimer lasers drives flat panel display and lidar applications

Ludolf Herbst, Ralph Delmdahl, Rainer Paetzel

Proceedings Volume 8238, 82380A (2012) https://doi.org/10.1117/12.906687

KEYWORDS: Excimer lasers, Ultraviolet radiation, LIDAR, Laser applications, Raman spectroscopy, Annealing, Flat panel displays, Backscatter, Amorphous silicon, High power lasers

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Proceedings Article | 18 February 2010 Paper

Excimer laser deposition of super-hard coatings

Ralph Delmdahl, Steffen Weissmantel, Guenter Reisse

Proceedings Volume 7581, 75810C (2010) https://doi.org/10.1117/12.838350

KEYWORDS: Excimer lasers, Ultraviolet radiation, Annealing, Laser applications, Silicon films, High power lasers, Excimers, Carbon, Silicon, Ions

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Proceedings Article | 20 February 2009 Paper

Advanced-UV excimer laser processing

Ralph Delmdahl

Proceedings Volume 7196, 719608 (2009) https://doi.org/10.1117/12.807981

KEYWORDS: Excimer lasers, Ultraviolet radiation, Laser processing, Silicon, Manufacturing, Laser applications, Etching, Photons, Thin films, Flat panel displays

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Proceedings Article | 21 February 2008 Paper

Recent developments in UV laser micromachining

R. Delmdahl, Rainer Pätzel

Proceedings Volume 6874, 68740K (2008) https://doi.org/10.1117/12.781962

KEYWORDS: Excimer lasers, Laser ablation, Pulsed laser operation, Nd:YAG lasers, Ultraviolet radiation, Laser development, Thin films, Laser stabilization, Laser energy, Thermal effects

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Proceedings Article | 8 February 2007 Paper

Solid sampling with 193-nm excimer laser ablation

Ralph Delmdahl

Proceedings Volume 6454, 645402 (2007) https://doi.org/10.1117/12.696823

KEYWORDS: Excimer lasers, Laser ablation, Solids, Statistical analysis, Laser systems engineering, Particles, Biological research, Plasma, Nd:YAG lasers, Excimers

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Proceedings Article | 1 March 2006 Paper

High-spatial coherence excimer laser for the production of fiber Bragg gratings

Ralph Delmdahl

Proceedings Volume 6106, 61060C (2006) https://doi.org/10.1117/12.637587

KEYWORDS: Fiber Bragg gratings, Excimer lasers, Resonators, Spatial coherence, Argon ion lasers, Laser stabilization, Halogens, Ultraviolet radiation, Pulsed laser operation, Temporal coherence

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Proceedings Article | 8 October 2004 Paper

Pulsed excimer lasers for thin film applications

Ralph Delmdahl

Proceedings Volume 5662, (2004) https://doi.org/10.1117/12.596760

KEYWORDS: Excimer lasers, Pulsed laser operation, Thin films, Resonators, Gas lasers, Laser ablation, Laser resonators, Laser stabilization, Pulsed laser deposition, Ceramics

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Proceedings Article | 15 July 2004 Paper

Solid state pulsed high-repetition-rate excimer lasers

Ralph Delmdahl, Bernhard Nikolaus

Proceedings Volume 5339, (2004) https://doi.org/10.1117/12.525458

KEYWORDS: Excimer lasers, Solid state lasers, Micromirrors, Optical testing, Surgery, Laser systems engineering, Mirrors, Solid state electronics, Laser marking, Solid state physics

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Proceedings Article | 10 November 2003 Paper

F2-laser systems prepared for advanced applications at 157 nm

R. Delmdahl, K. Mannel, S. Spratte, U. Rebhan, S. Govorkov, K. Vogler, I. Bragin

Proceedings Volume 5120, (2003) https://doi.org/10.1117/12.515515

KEYWORDS: Fluorine, Quartz, Laser applications, Optical lithography, Lithography, Polymers, Excimer lasers, Silica, Micromachining, Telecommunications

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Showing 5 of 18 publications

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