Laser diagnostics and minor species detection in combustion using resonant four-wave mixing

J Kiefer, P Ewart - Progress in Energy and Combustion Science, 2011 - Elsevier
Laser-based methods have transformed combustion diagnostics in the past few decades.
The high intensity, coherence, high spectral resolution and frequency tunability available …

[HTML][HTML] Recent advances in the characterization of gaseous and liquid fuels by vibrational spectroscopy

J Kiefer - Energies, 2015 - mdpi.com
Most commercial gaseous and liquid fuels are mixtures of multiple chemical compounds. In
recent years, these mixtures became even more complicated when the suppliers started to …

Design and characterization of a Raman-scattering-based sensor system for temporally resolved gas analysis and its application in a gas turbine power plant

J Kiefer, T Seeger, S Steuer, S Schorsch… - Measurement …, 2008 - iopscience.iop.org
A sensor system for fast gas composition analysis is presented. Using linear Raman
scattering the simultaneous detection of virtually all components of fuel gas mixtures such as …

Prediction of material removal rate for chemical mechanical planarization using decision tree-based ensemble learning

Z Li, D Wu, T Yu - Journal of Manufacturing Science …, 2019 - asmedigitalcollection.asme.org
Chemical mechanical planarization (CMP) has been widely used in the semiconductor
industry to create planar surfaces with a combination of chemical and mechanical forces. A …

Advanced laser-based techniques for gas-phase diagnostics in combustion and aerospace engineering

A Ehn, J Zhu, X Li, J Kiefer - Applied spectroscopy, 2017 - journals.sagepub.com
Gaining information of species, temperature, and velocity distributions in turbulent
combustion and high-speed reactive flows is challenging, particularly for conducting …

Concentration‐dependent hydrogen‐bonding effects on the dimethyl sulfoxide vibrational structure in the presence of water, methanol, and ethanol

K Noack, J Kiefer, A Leipertz - ChemPhysChem, 2010 - Wiley Online Library
The effects of hydrogen bonding between dimethyl sulfoxide (DMSO) and the co‐solvents
water, methanol, and ethanol on the symmetric and antisymmetric CSC stretching vibrations …

High precision in-cylinder gas thermometry using laser induced gratings: quantitative measurement of evaporative cooling with gasoline/alcohol blends in a GDI …

B Williams, M Edwards, R Stone, J Williams… - Combustion and flame, 2014 - Elsevier
The first application of Laser Induced Thermal Gratings Spectroscopy (LITGS) for precision
thermometry in a firing GDI optical engine is reported. Crank-angle resolved temperature …

Combined laser-induced breakdown with Raman spectroscopy: historical technology development and recent applications

Q Lin, G Niu, Q Wang, Q Yu, Y Duan - Applied Spectroscopy …, 2013 - Taylor & Francis
A modern trend in the development of laser-based analytical instruments is to integrate more
functions in a single device, which could supply complementary information and improve the …

Characterization of Escherichia coli suspensions using UV/Vis/NIR absorption spectroscopy

J Kiefer, N Ebel, E Schlücker, A Leipertz - Analytical Methods, 2010 - pubs.rsc.org
In this paper we demonstrate that conventional absorption spectroscopy in the ultraviolet,
visible and near-infrared spectral range facilitates characterization of Escherichia coli (E …

Demonstration of a signal enhanced fast Raman sensor for multi‐species gas analyses at a low pressure range for anesthesia monitoring

S Schlüter, F Krischke… - Journal of Raman …, 2015 - Wiley Online Library
The spontaneous Raman scattering technique is an excellent tool for a quantitative analysis
of multi‐species gas mixtures. It is a noninvasive optical method for species identification …