Dr. Axel Günther Profile

Dr. Axel Günther

at Technische Univ. Braunschweig

SPIE Involvement:

Author

Publications (10)

Proceedings Article | 13 March 2024 Presentation + Paper

VCSEL with integrated customized lens as highly sensitive stand-alone sensing element to measure distance changes in the nm-range

A. Günther, P. Kotra, W. Kowalsky, B. Roth

Proceedings Volume 12904, 129040E (2024) https://doi.org/10.1117/12.3000222

KEYWORDS: Vertical cavity surface emitting lasers, Resonators, Distance measurement, Optical components, Printing, Light sources, Laser resonators, Two photon polymerization

Read Abstract +

Proceedings Article | 13 March 2024 Presentation + Paper

Flexible manufacturing of optical structures with low surface roughness in fused silica using selective laser etching

Axel Günther, Denny Philip, Lei Zheng, Wolfgang Kowalsky, B. Roth

Proceedings Volume 12898, 128980B (2024) https://doi.org/10.1117/12.3000221

KEYWORDS: Glasses, Etching, Surface roughness, Silica, Optics manufacturing, Integrated optics, Fabrication, Optical gratings, Laser applications, Flexible manufacturing

Read Abstract +

Proceedings Article | 7 August 2023 Presentation + Paper

Highly precise and flexible manufacturing of integrated optical structures in fused silica using selective laser etching

A. Günther, S. C. Ramadas, L. Zheng, W. Kowalsky, B. Roth

Proceedings Volume 12624, 126240B (2023) https://doi.org/10.1117/12.2675807

KEYWORDS: Glasses, Etching, Silica, Optical sensing, Optics manufacturing, Laser applications, Surface roughness, Microfluidics, Integrated optics, Flexible manufacturing

Read Abstract +

Proceedings Article | 7 August 2023 Poster

Ellipsometer development for process monitoring

Emil Agocs, Soraya Zangenehzadeh, Axel Günther, Hans-Hermann Johannes, Bernhard Roth, Wolfgang Kowalsky

Proceedings Volume 12624, 126241M (2023) https://doi.org/10.1117/12.2680286

KEYWORDS: Quality control, Manufacturing, Time metrology, Thin films, Thin film devices, Spectroscopes, Precision optics, Polarizers, Optics manufacturing, Optical signal processing

Proceedings Article | 17 March 2023 Poster + Paper

More than optical interconnects: employing self-written waveguides to create optical networks and multi-functional sensing elements

A. Günther, K. Kushwaha, R. Garg, A.-K. Rüsseler, F. Carstens, D. Ristau, K. Tran, Y. Deja, M. Kilic, F. Renz, W. Kowalsky, B. Roth

Proceedings Volume 12424, 124240V (2023) https://doi.org/10.1117/12.2646489

KEYWORDS: Waveguides, Optical components, Tunable filters, Optical transmission, Thin films, Temperature metrology, Optical filters, Particles, Optical sensing, Optical networks

Read Abstract +

Proceedings Article | 15 March 2023 Presentation + Paper

VCSEL as sensing element to measure distance changes in the nm-range

A. Günther, D. Korat, P. Kotra, W. Kowalsky, B. Roth

Proceedings Volume 12439, 124390H (2023) https://doi.org/10.1117/12.2646484

KEYWORDS: Vertical cavity surface emitting lasers, Resonators, Optical components, Distance measurement, Optical resonators

Read Abstract +

Proceedings Article | 15 March 2023 Paper

Integration of UV-nanoimprint lithography with two-photon polymerization for scalable production

Lei Zheng, Axel Günther, Reinhard Caspary, Wolfgang Kowalsky, Bernhard Roth

Proceedings Volume 12433, 124330G (2023) https://doi.org/10.1117/12.2648030

KEYWORDS: Two photon polymerization, Fabrication, Lithography, Semiconducting wafers, Silicon, Nanoimprint lithography, 3D metrology, Electron beam lithography, Wafer-level optics, Optical lithography, Nanolithography, Integrated manufacturing systems, Optics manufacturing, Optical fabrication

Read Abstract +

Proceedings Article | 5 March 2022 Poster + Paper

Self-written waveguides as low-loss interconnections and sensing elements

A. Günther, K. Kushwaha, M. Baran, A. K. Rüsseler, F. Carstens, D. Ristau, W. Kowalsky, B. Roth

Proceedings Volume 12004, 1200412 (2022) https://doi.org/10.1117/12.2611336

KEYWORDS: Waveguides, Thin films, Optical filters, Optical fibers, Optical components, Coating, Beam splitters, Temperature metrology, Thin film coatings

Read Abstract +

Proceedings Article | 5 March 2022 Presentation + Paper

Metal-organic framework coated planar polymer optical waveguide for carbon dioxide detection and sensing

Lei Zheng, Nils Keppler, Huajun Zhang, Axel Günther, Peter Behrens, Bernhard Roth

Proceedings Volume 12004, 1200408 (2022) https://doi.org/10.1117/12.2609812

KEYWORDS: Waveguides, Polymethylmethacrylate, Micro optical fluidics, Carbon monoxide, Polymers, Polymer multimode waveguides, Polymeric sensors, Optical components, Gases, Thin films

Read Abstract +

Proceedings Article | 3 March 2022 Presentation + Paper

VCSELs as highly sensitive stand-alone distance sensors

A. Günther, D. Korat, K. Kapadia, B. Roth, W. Kowalsky

Proceedings Volume 12020, 120200H (2022) https://doi.org/10.1117/12.2611352

KEYWORDS: Vertical cavity surface emitting lasers, Resonators, Sensors, Mirrors, Optics manufacturing, Reflectivity, Reflection, Spectrum analysis, Optical components, Computer simulations

Read Abstract +

Showing 5 of 10 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years