Search Results - "Menser, Jan"
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1
Multi-pulse shadowgraphic RGB illumination and detection for flow tracking
Published in Experiments in fluids (01-06-2018)“…This work demonstrates the application of a multi-color LED and a consumer color camera for visualizing phase boundaries in two-phase flows, in particular for…”
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2
Spectroscopic Properties of Semiconductor Nanoparticles near the Solid-to-Liquid Phase Transition
Published in Journal of physical chemistry. C (06-04-2023)“…Gas-phase synthesis of semiconductor nanoparticles is often supported by optical in situ measurements to determine the particle size, phase, and volume…”
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3
Interrogating Gas-Borne Nanoparticles Using Laser-Based Diagnostics and Bayesian Data Fusion
Published in Journal of physical chemistry. C (22-04-2021)“…We demonstrate how the evaporation properties of gas-borne nanoscale materials, here liquid silicon and germanium nanoparticles, can be obtained through a…”
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4
Tomographic imaging using multi-simultaneous measurements (TIMes) for flame emission reconstructions
Published in Optics express (04-01-2021)“…The method of tomographic imaging using multi-simultaneous measurements (TIMes) for flame emission reconstructions is presented. Measurements of the peak…”
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5
Laser-induced incandescence from laser-heated silicon nanoparticles
Published in Applied physics. B, Lasers and optics (01-11-2016)“…This work describes the application of temporally and spectrally resolved laser-induced incandescence to silicon nanoparticles synthesized in a microwave…”
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6
Early particle formation and evolution in iron-doped flames
Published in Combustion and flame (01-10-2022)“…In flame synthesis of nanoparticles, the temperature history experienced by the nascent particle aerosol defines the morphology, composition, and crystallinity…”
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7
Spatial distribution of gas-phase synthesized germanium nanoparticle volume-fraction and temperature using combined in situ line-of-sight emission and extinction spectroscopy
Published in Optics express (15-03-2021)“…In this study, emission and extinction spectroscopy were combined to in situ measure temperature and volume fraction distributions of liquid germanium…”
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8
Phase-sensitive detection of gas-borne Si nanoparticles via line-of-sight UV/VIS attenuation
Published in Optics express (05-07-2021)“…The distinct optical properties of solid and liquid silicon nanoparticles are exploited to determine the distribution of gas-borne solid and liquid particles…”
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9
Spatially resolved measurement of the distribution of solid and liquid Si nanoparticles in plasma synthesis through line-of-sight extinction spectroscopy
Published in Optics express (30-01-2023)“…In many high-temperature gas-phase nanoparticle synthesis processes, freshly nucleated particles are liquid and solidify during growth and cooling. This study…”
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10
In situ measurement of gas-borne silicon nanoparticle volume fraction and temperature by spatially and spectrally line-resolved attenuation and emission imaging
Published in Powder technology (01-01-2022)“…In this study, the temperature and volume fraction distributions of liquid silicon nanoparticles in the aerosol flow in gas-phase synthesis were retrieved…”
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11
Laser-induced incandescence for non-soot nanoparticles: recent trends and current challenges
Published in Applied physics. B, Lasers and optics (2022)“…Laser-induced incandescence (LII) is a widely used combustion diagnostic for in situ measurements of soot primary particle sizes and volume fractions in…”
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12
LIISim: a modular signal processing toolbox for laser-induced incandescence measurements
Published in Applied physics. B, Lasers and optics (01-04-2018)“…Evaluation of measurement data for laser-induced incandescence (LII) is a complex process, which involves many processing steps starting with import of data in…”
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13
Detector calibration and measurement issues in multi-color time-resolved laser-induced incandescence
Published in Applied physics. B, Lasers and optics (01-07-2019)“…Time-resolved laser-induced incandescence is used to infer the size distribution of gas-borne nanoparticles from time-resolved pyrometric measurements of the…”
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14
Spectroscopic models for laser-heated silicon and copper nanoparticles
Published in Journal of quantitative spectroscopy & radiative transfer (01-08-2017)“…Interpreting laser-induced incandescence (LII) measurements on aerosolized nanoparticles requires a spectroscopic model that relates the measured spectral…”
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15
Evaluation of Drude parameters for liquid Germanium nanoparticles through aerosol-based line-of-sight attenuation measurements
Published in Journal of quantitative spectroscopy & radiative transfer (01-03-2019)“…•Radiative properties of liquid Ge nanoparticles are measured between 205–700 nm.•Drude parameters are inferred from extinction spectra via Bayesian…”
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16
Evolutionary Camera Pose Estimation of a Multi-Camera Setup for Computed Tomography
Published in 2019 IEEE International Conference on Image Processing (ICIP) (01-09-2019)“…We have developed an optimization procedure based on a genetic algorithm (GA) to estimate the extrinsic camera parameters of a multi-camera setup with a…”
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