Mr. Stefan M. Remund Profile

Stefan M. Remund

PhD candidate at Berner Fachhochschule Technik und Informatik

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Publications (18)

Proceedings Article | 13 March 2024 Presentation

Basic investigations on laser micromachining with sub 100 fs pulses and an industrial grade laser system

B. Neuenschwander, Ch. Nussbaum, S. Remund, A. Malki, C. Franke, K. Fritsch, D. Ballukonis, U. Hochner

Proceedings Volume PC12872, PC1287208 (2024) https://doi.org/10.1117/12.3000155

KEYWORDS: Ultrafast phenomena, Micromachining, Laser systems engineering, Silicon, Laser processing, Germanium, Soda-lime glass, Silica, Semiconductors, Sapphire

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Proceedings Article | 17 March 2023 Presentation + Paper

Microstructuring in metals using a UV laser microspot scanning system

Rose Mary, Stefan Remund, Josef Zürcher, Beat Neuenschwander

Proceedings Volume 12408, 124080F (2023) https://doi.org/10.1117/12.2649671

KEYWORDS: Laser ablation, Copper, Ultraviolet radiation, Data modeling, Pulsed laser operation, Beam diameter, Scanning electron microscopy, Laser microstructuring, Ablation, Surface roughness

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Proceedings Article | 1 April 2022 Presentation

Multi-pulse and beam forming strategies for high throughput at KW level of ultrashort pulsed lasers

Beat Neuenschwander, Stefan Remund, Markus Gafner, Michalina Chaja

Proceedings Volume PC11989, PC119890E (2022) https://doi.org/10.1117/12.2606171

KEYWORDS: Laser development, Laser systems engineering, Metals, Scanners, Standards development, Pulsed laser operation

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Proceedings Article | 24 March 2021 Presentation + Paper

Ultra-short pulses at high average power in the Laser MicroJet

Michalina Chaja, Gregoire Laporte, Peter Cam, Stefan Remund, Beat Neuenschwander

Proceedings Volume 11673, 1167319 (2021) https://doi.org/10.1117/12.2585550

KEYWORDS: Laser applications, Silicon, Semiconductors, Semiconducting wafers, Radium, Pulsed laser operation, Picosecond phenomena, Optical fibers, Metals, Laser development

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Proceedings Article | 8 March 2021 Presentation

Comparison of ultrashort pulse laser ablation with GHz pulse bursts and MHz pulse bursts of metals, silicon, and dielectric materials

Stefan Remund, Markus Gafner, Michalina Chaja, Aivaras Urniežius, Simas Butkus, Beat Neuenschwander

Proceedings Volume 11673, 116730C (2021) https://doi.org/10.1117/12.2583192

KEYWORDS: Laser ablation, Silicon, Semiconductor lasers, Metals, Ultrafast phenomena, Dielectrics, Laser systems engineering, Picosecond phenomena, Zirconium dioxide, Zirconium

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Proceedings Article | 5 March 2021 Presentation

Machining of [100], [110] and [111] oriented silicon with ultrashort laser pulses in the NIR

Beat Neuenschwander, Stefan Remund, Christoph Wildbolz, Michalina Chaja

Proceedings Volume 11673, 116730N (2021) https://doi.org/10.1117/12.2582661

KEYWORDS: Silicon, Semiconductor lasers, Ultrafast phenomena, Near infrared, Surface roughness, Picosecond phenomena, Femtosecond phenomena

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Proceedings Article | 9 March 2020 Presentation

Ultrafast stamping by combination of synchronized galvanometer scanning with DOE's or SLM (Conference Presentation)

Beat Neuenschwander, Markus Gafner, Stefan Remund, Michalina Chaja

Proceedings Volume 11267, 112670Q (2020) https://doi.org/10.1117/12.2550088

KEYWORDS: Diffractive optical elements, Ultrafast phenomena, Spatial light modulators, Laser scanners, 3D scanning, Micromachining, Laser processing, Beam splitters, Scanners

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Proceedings Article | 9 March 2020 Presentation

Influence of crystal lattice orientation onto the formation of LIPSS, ripples, and cavities for iron and iron alloys in ultrashort pulse laser machining (Conference Presentation)

Stefan Remund, Silvan Gerber, Josef Zürcher, Markus Gafner, Beat Neuenschwander

Proceedings Volume 11267, 112670K (2020) https://doi.org/10.1117/12.2548166

KEYWORDS: Backscatter, Visualization, Laser ablation, Micromachining, Polarization, Ultrafast phenomena, Pulsed laser operation, Laser crystals, Crystals, Iron

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Proceedings Article | 2 March 2020 Presentation + Paper

Machining metals and silicon with GHz bursts: Surprising tremendous reduction of the specific removal rate for surface texturing applications

Thomas Hirsiger, Markus Gafner, Stefan Remund, Michalina Chaja, Aivaras Urniezius, Simas Butkus, Beat Neuenschwander

Proceedings Volume 11267, 112670T (2020) https://doi.org/10.1117/12.2543948

KEYWORDS: Copper, Silicon, Picosecond phenomena, Metals, Surface roughness, Photomicroscopy, Scanning electron microscopy, Materials processing, Particles, Surface finishing

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Proceedings Article | 13 March 2019 Presentation

Influence of pulse duration in the pico- and femtosecond regime on the absorptance and specific removal rate (Conference Presentation)

Stefan Remund, Michalina Chaja, Yiming Zhang, Beat Neuenschwander

Proceedings Volume 10905, 1090504 (2019) https://doi.org/10.1117/12.2511294

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Proceedings Article | 13 March 2019 Presentation

Laser machining of silicon with bursts of ultra-short laser pulses: Factors influencing the process efficiency and surface quality (Conference Presentation)

Beat Neuenschwander, Stefan Remund, Thorsten Kramer

Proceedings Volume 10905, 1090503 (2019) https://doi.org/10.1117/12.2513297

KEYWORDS: Silicon, Semiconductor lasers, Copper, Picosecond phenomena, Surface roughness, Calorimetry, Reflectivity

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Proceedings Article | 14 March 2018 Presentation

Machining of semiconductors and dielectrics with ultra-short pulses: Influence of the wavelength and pulse bursts (Conference Presentation)

Beat Neuenschwander, Beat Jaeggi, Stefan Remund, Sergei Pimenov

Proceedings Volume 10519, 1051904 (2018) https://doi.org/10.1117/12.2291909

KEYWORDS: Diamond machining, Optical isolators, Copper, Ultrafast phenomena, Micromachining, Pulsed laser operation, Semiconductor lasers, Dielectrics, Silicon, Semiconductors

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Proceedings Article | 21 April 2017 Presentation

Influence of the initial surface texture on the resulting surface roughness and waviness for micro-machining with ultra-short laser pulses (Conference Presentation)

Stefan Remund, Beat Jaeggi, Thorsten Kramer, Beat Neuenschwander

Proceedings Volume 10092, 1009208 (2017) https://doi.org/10.1117/12.2252144

KEYWORDS: Nanoprocess, Surface roughness, Micromachining, Surface finishing, Laser processing, Pulsed laser operation, Laser applications, Laser ablation, Spatial frequencies, Optical simulations

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Proceedings Article | 20 February 2017 Presentation + Paper

New random trigger-feature for ultrashort-pulsed laser increases throughput, accuracy and quality in micromachining applications

Andreas Oehler, Hubert Ammann, Marco Benetti, Dominique Wassermann, Beat Jaeggi, Stefan Remund, Beat Neuenschwander

Proceedings Volume 10091, 100910I (2017) https://doi.org/10.1117/12.2252599

KEYWORDS: Micromachining, Laser applications, Ultrafast lasers, Pulsed laser operation, Laser systems engineering, Laser scanners, Laser processing, Laser marking, Laser engraving, Scanners, Particle swarm optimization, Copper

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Proceedings Article | 20 February 2017 Presentation + Paper

Influence of the pulse duration and the experimental approach onto the specific removal rate for ultra-short pulses

B. Jaeggi, B. Neuenschwander, S. Remund, T. Kramer

Proceedings Volume 10091, 100910J (2017) https://doi.org/10.1117/12.2253696

KEYWORDS: Pulsed laser operation, Laser ablation, Laser applications, Picosecond phenomena, Femtosecond phenomena, Laser processing, Copper, Microscopes, Laser damage threshold, Attenuators

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Proceedings Article | 8 May 2014 Paper

Fiber optically integrated cost-effective spectrometer for optical coherence tomography

Stefan Remund, Anke Bossen, Xianfeng Chen, Ling Wang, Lin Zhang, Boris Považay, Christoph Meier

Proceedings Volume 9129, 91293G (2014) https://doi.org/10.1117/12.2052595

KEYWORDS: Spectroscopy, Optical coherence tomography, Chemical elements, Fiber Bragg gratings, Optical components, Biomedical optics, Cameras, Polarization, CCD cameras, Imaging systems

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Proceedings Article | 20 February 2014 Paper

Cost-effective optical coherence tomography spectrometer based on a tilted fiber Bragg grating

Stefan Remund, Anke Bossen, Xianfeng Chen, Ling Wang, Adedotun Adebayo, Lin Zhang, Boris Považay, Christoph Meier

Proceedings Volume 8938, 89381E (2014) https://doi.org/10.1117/12.2039409

KEYWORDS: Spectroscopy, Optical coherence tomography, Fiber Bragg gratings, CCD cameras, Image segmentation, Optical components, Cameras, Polarization, Imaging systems, Biomedical optics

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Proceedings Article | 20 March 2013 Paper

FPGA-based non-uniform fast Fourier transform (NUFFT) algorithm for real-time OCT signal processing

A. Bossen, S. Remund, D. Ernst, Ch. Meier, T. von Niederhäusern, M. Duelk, K. Vemishetty

Proceedings Volume 8571, 85712Y (2013) https://doi.org/10.1117/12.2006391

KEYWORDS: Optical coherence tomography, Field programmable gate arrays, Signal processing, Fourier transforms, Computer simulations, Data acquisition, Digital signal processing, Convolution, Algorithm development, Imaging systems

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Showing 5 of 18 publications

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