Martin Guttmann

Ferdinand-Braun-Institut gGmbH

Germany

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Articles (15)

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2025

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2025

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2025

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2024

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2024

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2023

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2023

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2023

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2023

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2023

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2023

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2022

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2022

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2022

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2021

Collaborators (8)

Markus Weyers

Department Head

Ferdinand-Braun-Institut Leibniz-Institut für Höchstfrequenztechnik

GERMANY

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Luca Sulmoni

Technische Universität Berlin

GERMANY

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Tim Wernicke

Technische Universität Berlin

GERMANY

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Åsa Haglund

Chalmers University of Technology

SWEDEN

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Felix Nippert

Technische Universität Berlin

GERMANY

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Michael Kneissl

Technische Universität Berlin

GERMANY

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Michael Bergmann

Chalmers University of Technology

SWEDEN

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Bernd Witzigmann

Friedrich-Alexander Universität Erlangen-Nürnberg

GERMANY

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Martin Guttmann

Research Interests

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Articles (15)

Analysis of the External Quantum Efficiency of 233 nm Far‐Ultraviolet‐C‐Light Emitting Diodes with Distributed Polarization Doped p‐AlGaN‐Layers

Light Extraction and External Quantum Efficiency of 235 nm Far–Ultraviolet‐C Light‐Emitting Diodes on Single‐Crystal AlN Substrates

Influence of the AlN-sapphire template on the optical polarization and efficiency of AlGaN-based far-UVC micro LED arrays

Unraveling carrier distribution in far-UVC LEDs by temperature-dependent electroluminescence measurements

Gain Characteristics of Optically Pumped UVC Lasers with Wide AlGaN Single‐Quantum‐Well Active Regions

Radiative Recombination and Carrier Injection Efficiencies in 265 nm Deep Ultraviolet Light‐Emitting Diodes Grown on AlN/Sapphire Templates with Different Defect Densities

Increased Light Extraction of Thin-Film Flip-Chip UVB LEDs by Surface Texturing

Enhanced light extraction efficiency of far-ultraviolet-C LEDs by micro-LED array design

Impact of Mg-doping on the performance and degradation of AlGaN-based UV-C LEDs

Temperature-dependent electroluminescence of stressed and unstressed InAlGaN multi-quantum well UVB LEDs

Strain induced power enhancement of far-UVC LEDs on high temperature annealed AlN templates

Spectrally pure far-UVC emission from AlGaN-based LEDs with dielectric band pass filters

Impact of operation parameters on the degradation of 233 nm AlGaN-based far-UVC LEDs

Enhanced light extraction efficiency of UV LEDs by encapsulation with UV-transparent silicone resin

Effect of Inhomogeneous Broadening in Ultraviolet III-Nitride Light-Emitting Diodes

Collaborators (8)

Markus Weyers

Luca Sulmoni

Tim Wernicke

Åsa Haglund

Felix Nippert

Michael Kneissl

Michael Bergmann

Bernd Witzigmann

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