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Modelling of a miniature microwave driven nitrogen plasma jet and comparison to measurements
/en/research/publications/modelling-of-a-miniature-microwave-driven-nitrogen-plasma-jet-and-comparison-to-measurements
The MMWICP (miniature microwave ICP) is a new plasma source using the induction principle. Recently Klute et al presented a mathematical model for the electromagnetic fields and power balance of the…
Pulsed Diode Laser Minibars for Pumping Space-Borne Solid-State Lasers
/en/research/publications/pulsed-diode-laser-minibars-for-pumping-space-borne-solid-state-lasers
Laser diode benches (LDBs) with lasing wavelength of 808 nm were developed, manufactured and endurance-tested for utilization as pump lasers for the Nd:YAG oscillator in the climate satellite…
Time-domain optics for atomic quantum matter
/en/research/publications/time-domain-optics-for-atomic-quantum-matter
We investigate time-domain optics for atomic quantum matter. Within a matter-wave analog of the thin-lens formalism, we study optical lenses of different shapes and refractive powers to precisely…
16.3 W Peak-Power Pulsed All-Diode Laser Based Multi-Wavelength Master-Oscillator Power-Amplifier System at 964 nm
/en/research/publications/163-w-peak-power-pulsed-all-diode-laser-based-multi-wavelength-master-oscillator-power-amplifier-system-at-964-nm
An all-diode laser-based master oscillator power amplifier (MOPA) configuration for the generation of ns-pulses with high peak power, stable wavelength and small spectral line width is presented. The…
Subsequent treatment of leafy vegetables with low doses of UVB-radiation does not provoke cytotoxicity, genotoxicity, or oxidative stress in a human liver cell model
/en/research/publications/subsequent-treatment-of-leafy-vegetables-with-low-doses-of-uvb-radiation-does-not-provoke-cytotoxicity-genotoxicity-or-oxidative-stress-in-a-human-liver-cell-model
Ultraviolet B (UVB) radiation in low but ecological-relevant doses acts as a regulator in the plant’s secondary metabolism. This study investigates the effect of UVB radiation from light-emitting…
Feedback Sensitivity of Detuned DBR Semiconductor Lasers
/en/research/publications/feedback-sensitivity-of-detuned-dbr-semiconductor-lasers-1
A distributed Bragg reflector (DBR) laser represents a simple realization of a semiconductor laser operating in a single longitudinal mode. We present a so far missing theoretical study how its…
High-Temperature Annealing and Patterned AlN/Sapphire Interfaces
/en/research/publications/high-temperature-annealing-and-patterned-alnsapphire-interfaces
Using the example of epitaxial lateral overgrowth of AlN on trench-patterned AlN/sapphire templates, the impact of introducing a high-temperature annealing step into the process chain is…
Mode-locked Cr:LiSAF laser far off the gain peak: tunable sub-200-fs pulses near 1 µm
/en/research/publications/mode-locked-crlisaf-laser-far-off-the-gain-peak-tunable-sub-200-fs-pulses-near-1-microm
We report, to the best of our knowledge, the first mode-locking results of a Cr:LiSAF laser near the 1 µmregion. The system is pumped only by a single 1.1 W high-brightness tapered…
A Polarization Switchable Antenna Switch Module for Ka-band Application
/en/research/publications/a-polarization-switchable-antenna-switch-module-for-ka-band-application
Operating at millimeter-wave or above has been the major trend for the next-generation wireless communication systems to acquire enough bandwidth. Consequently, antenna arrays with large number of…
Ten emitter dual-wavelength Y-branch DBR laser diode array emitting 1 W at 785 nm with a spectral emission width below 60 pm
/en/research/publications/ten-emitter-dual-wavelength-y-branch-dbr-laser-diode-array-emitting-1-w-at-785-nm-with-a-spectral-emission-width-below-60-pm
We present a 5 mm wide ten emitter dual-wavelength Y-branch DBR laser diode array emitting at 785 nm with an output power of 1 W at both wavelengths. The two emission wavelengths are…