W. Bronner
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View article: Leakage mechanism in Al <sub>x</sub> Ga<sub>1−x </sub>N/GaN heterostructures with AlN interlayer
Leakage mechanism in Al <sub>x</sub> Ga<sub>1−x </sub>N/GaN heterostructures with AlN interlayer Open
Leakage of Al x Ga 1− x N/GaN heterostructures was investigated by admittance–voltage profiling. Nominally undoped structures were grown by low-pressure metal-organic vapor-phase epitaxy. The investigated structures had an Al-content of 30…
View article: InGaAs APD matrix sensors for SWIR gated viewing
InGaAs APD matrix sensors for SWIR gated viewing Open
Short-wavelength infrared (SWIR) detection systems are increasingly in demand for surveillance, reconnaissance, and remote sensing applications. Eye-safe SWIR lasers can be utilized for active imaging systems with high image contrast and l…
View article: Quantum cascade laser based active hyperspectral imaging for standoff detection of chemicals on surfaces
Quantum cascade laser based active hyperspectral imaging for standoff detection of chemicals on surfaces Open
We employ active hyperspectral imaging using tunable mid-infrared (MIR) quantum cascade lasers for contactless identification of solid and liquid contaminations on surfaces. By collecting the backscattered laser radiation with a camera, a …