Alexander Eber
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View article: NIR/VIS dual-comb spectroscopy comparing high and low repetition rate regimes
NIR/VIS dual-comb spectroscopy comparing high and low repetition rate regimes Open
Dual-comb spectroscopy enables broadband analysis of key molecules with unparalleled frequency resolution and exceptional signal-to-noise ratios across various spectral regions. However, fully harnessing its potential for broadband spectro…
View article: Streaming self-corrected dual-comb spectrometer
Streaming self-corrected dual-comb spectrometer Open
We radically simplify coherently averaged dual-comb spectroscopy by introducing a real-time self-correction system: a radio frequency system-on-chip computes each incoming dual-comb interferogram's phase, frequency, and arrival time; calcu…
View article: Ultra-broadband UV/VIS spectroscopy enabled by resonant dispersive wave emission of a frequency comb
Ultra-broadband UV/VIS spectroscopy enabled by resonant dispersive wave emission of a frequency comb Open
We introduce an agile light source bridging from the near ultraviolet to the visible spectral region by covering more than 240 THz through resonant dispersive wave (RDW) emission in a gas-filled hollow-core fiber waveguide. The light sourc…
View article: Phase-Locked Feed-Forward Stabilization for Dual-Comb Spectroscopy
Phase-Locked Feed-Forward Stabilization for Dual-Comb Spectroscopy Open
Sustained mutual coherence between 2 combs over extended periods is a prerequisite for dual-comb spectroscopy (DCS), particularly in achieving high-resolution molecular spectroscopy and precise spectral measurements. However, achieving lon…
View article: Phase-locked feed forward stabilization for dual comb spectroscopy
Phase-locked feed forward stabilization for dual comb spectroscopy Open
Sustained mutual coherence between two combs over extended periods is a prerequisite for dual-comb spectroscopy (DCS), particularly in achieving high-resolution molecular spectroscopy and precise spectral measurements. However, achieving l…
View article: Ultra-broadband UV/VIS spectroscopy enabled by resonant dispersive wave emission of a frequency comb
Ultra-broadband UV/VIS spectroscopy enabled by resonant dispersive wave emission of a frequency comb Open
We introduce a novel ultra-broadband ultraviolet and visible frequency comb light source covering more than 240 THz by resonant dispersive wave emission in a gas-filled hollow-core fiber waveguide. The light source allows tuning from ~340 …
View article: Broadband near-ultraviolet dual comb spectroscopy
Broadband near-ultraviolet dual comb spectroscopy Open
The highly energetic photons of ultraviolet light drive electronic and rovibronic transitions in all molecular species. This radiation is thus a prime tool for strongly selective spectroscopic fingerprinting and real-time environmental mon…
View article: Coherent field sensing of nitrogen dioxide
Coherent field sensing of nitrogen dioxide Open
We introduce a portable dual-comb spectrometer operating in the visible spectral region for atmospheric monitoring of NO 2 , a pollution gas of major importance. Dual-comb spectroscopy, combining key advantages of fast, broadband and accur…
View article: Measuring spectral emissivity up to 4000 K
Measuring spectral emissivity up to 4000 K Open
An inter-laboratory comparison involving three participants (PTB, CAE, TU Graz) was conducted on spectral emissivity measurements using experimental setups covering a temperature range from 1250 K to 4000 K and a spectral range between 0.6…
View article: Re-investigation of the Normal Spectral Emissivity at 684.5 nm of Solid and Liquid Molybdenum
Re-investigation of the Normal Spectral Emissivity at 684.5 nm of Solid and Liquid Molybdenum Open
In this work, we present normal spectral emissivity data of solid and liquid molybdenum at a wavelength of 684.5 nm. The presented results are novel measurements on molybdenum, a material, which was already measured 15 years ago by our gro…
View article: Data of normal spectral emissivity measurements for Ta, Mo, W and Nb
Data of normal spectral emissivity measurements for Ta, Mo, W and Nb Open
Data aquired during my master thesis about the normal spectral emissivty of Ta, Mo, W and Nb measured with an ohmic pulse heating apparatus and a us-DOAP
View article: Data of normal spectral emissivity measurements for Ta, Mo, W and Nb
Data of normal spectral emissivity measurements for Ta, Mo, W and Nb Open
Data aquired during my master thesis about the normal spectral emissivty of Ta, Mo, W and Nb measured with an ohmic pulse heating apparatus and a us-DOAP