Andreas Steiger
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View article: Development, characterization and production of a novel water-based liquid scintillator based on the Surfactant TRITON™ X-100
Development, characterization and production of a novel water-based liquid scintillator based on the Surfactant TRITON™ X-100 Open
Water-based Liquid Scintillator (WbLS) is a novel detector medium for particle physics experiments. Applications range from the use as hybrid Cherenkov/scintillation target in low-energy and accelerator neutrino experiments to large-volume…
View article: Development, Characterization and Production of a novel Water-based Liquid Scintillator based on the Surfactant TRITON X-100
Development, Characterization and Production of a novel Water-based Liquid Scintillator based on the Surfactant TRITON X-100 Open
Water-based Liquid Scintillator (WbLS) is a novel detector medium for particle physics experiments. Applications range from the use as hybrid Cherenkov/scintillation target in low-energy and accelerator neutrino experiments to large-volume…
View article: Online thickness measurements of acrylate-based coatings on knitted polyester fabric using terahertz time-domain spectroscopy
Online thickness measurements of acrylate-based coatings on knitted polyester fabric using terahertz time-domain spectroscopy Open
Three different institutions combined their expertise in a joint R&D project to demonstrate the suitability of terahertz time-domain spectroscopy for thickness measurements of acrylate-based coatings on polyester fabric. First, we spectros…
View article: Cantilever-based photoacoustic sensor for terahertz range
Cantilever-based photoacoustic sensor for terahertz range Open
Funding Information: We thank Gasera Ltd for designing the commercially available instrument parts employed in the experiments. This project is funded by the Academy of Finland Flagship Programme, Photonics Research and Innovation (PREIN),…
View article: Terahertz radiation detection with a cantilever-based photoacoustic sensor
Terahertz radiation detection with a cantilever-based photoacoustic sensor Open
We report the photoacoustic (PA) response in the terahertz (THz) range by employing a detection process actuated with a silicon cantilever pressure sensor and a carbon-based radiation absorber. The detection relies on the mechanical respon…
View article: On the reliability of power measurements in the terahertz band
On the reliability of power measurements in the terahertz band Open
In order for terahertz devices to reach technological maturity, robust characterization methods and reliable metrics for comparison between studies must be defined. In this comment, the authors describe the challenges faced in obtaining ro…
View article: Comparison of high-resolution electric field measurements in a hollow cathode glow-discharge operated in hydrogen and deuterium
Comparison of high-resolution electric field measurements in a hollow cathode glow-discharge operated in hydrogen and deuterium Open
High-resolution measurements of the electric field strength in a hollow cathode discharge operated with deuterium gas are presented. The electric field strength is determined via Stark effect splitting of the 2S level of deuterium atoms us…
View article: Intercomparison of far-infrared transmittance measurements
Intercomparison of far-infrared transmittance measurements Open
We present the results of the first systematic "round-robin" comparison of far-infrared transmittance spectra measurements, which was performed by five laboratories and piloted by Physikalisch-Technische (PTB). The transmittance spectra of…
View article: Background corrected measurements of optical quantities in the far-infrared spectral range
Background corrected measurements of optical quantities in the far-infrared spectral range Open
By definition, optical quantities transmittance and reflectance can basically be determined as the ratio of two flux measurements. One measurement is performed with, and the other without, the sample under test in the optical path. However…
View article: Measured cathode fall characteristics depending on the diameter of a hydrogen hollow cathode discharge
Measured cathode fall characteristics depending on the diameter of a hydrogen hollow cathode discharge Open
Producción Científica
View article: Planar hyperblack absolute radiometer
Planar hyperblack absolute radiometer Open
The absolute responsivity of a planar cryogenic radiometer fabricated from micromachined silicon and having carbon nanotubes, as the absorber and thermistor were measured in the visible and far infrared (free-field terahertz) wavelength ra…
View article: Novel pyroelectric detectors for accurate THz power measurements
Novel pyroelectric detectors for accurate THz power measurements Open
Novel pyroelectric THz detectors have been developed in close cooperation between PTB, the National Metrology Institute of Germany, and the Sensor- und Lasertechnik company. Covering the broad spectral range from below 50 GHz to beyond 5 T…