Dr. Dennis Hohlfeld Profile

Dr. Dennis Hohlfeld

Professor at Univ Rostock

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Publications (4)

Proceedings Article | 27 May 2022 Presentation + Paper

Fiber-based optrodes: dual optical and electrical probe for optogenetics

Jelena Petrovic, Fred Lange, Dennis Hohlfeld

Proceedings Volume 12144, 1214402 (2022) https://doi.org/10.1117/12.2621108

KEYWORDS: Electrodes, Optical fibers, Metals, Sputter deposition, Optogenetics, Photomasks, Tissues, Tissue optics, Brain, Scanning electron microscopy

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Proceedings Article | 1 April 2020 Presentation + Paper

Microstructured electrodes on optical fibers for biomedical applications

Jelena Petrovic, Henning Bathel, Fred Lange, Dennis Hohlfeld

Proceedings Volume 11355, 113550K (2020) https://doi.org/10.1117/12.2555820

KEYWORDS: Electrodes, Optical fibers, Optogenetics, Metals, Copper, Neurons, Tissue optics, Resistance, Brain, Polymers

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Proceedings Article | 16 August 2004 Paper

A MEMS-based all-dielectric tunable optical filter with increased tuning range

Dennis Hohlfeld, Hans Zappe

Proceedings Volume 5455, (2004) https://doi.org/10.1117/12.545346

KEYWORDS: Resonators, Optical filters, Mirrors, Reflectors, Silicon, Reflectivity, Amorphous silicon, Refractive index, Silica, Distributed Bragg reflectors

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Proceedings Article | 17 June 2003 Paper

Thermally tunable optical filter array

Dennis Hohlfeld, Matthias Epmeier, Hans Zappe

Proceedings Volume 4989, (2003) https://doi.org/10.1117/12.479820

KEYWORDS: Optical filters, Silicon, Mirrors, Reflectivity, Resonators, Dielectric mirrors, Optical fibers, Electronic filtering, Modulation, Resistors

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