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Ultrafast spectroscopy of semiconductors
Optics and Photonics News, 1992Ultrafast laser spectroscopy with time resolution down to 6 femtoseconds has been applied to study optical dephasing, relaxation, and recombination in various semiconductors and semiconductor microstructures. We report some applications of ultrafast laser spectroscopy to bulk and quantum well III–V and II–VI semiconductors in order to illustrate the ...
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2014
The applications of nonlinear ultrafast spectroscopy are numerous and widespread and it is an established and indispensable technique for revealing ultrafast processes in modern material, chemical and biochemical research. Unfortunately it is also a topic that can be daunting to those meeting it for the first time.
Yuen-Zhou, Joel +4 more
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The applications of nonlinear ultrafast spectroscopy are numerous and widespread and it is an established and indispensable technique for revealing ultrafast processes in modern material, chemical and biochemical research. Unfortunately it is also a topic that can be daunting to those meeting it for the first time.
Yuen-Zhou, Joel +4 more
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Ultrafast spectroscopy of biological photoreceptors
Current Opinion in Structural Biology, 2007We review recent new insights on reaction dynamics of photoreceptors proteins gained from ultrafast spectroscopy. In Blue Light sensing Using FAD (BLUF) domains, a hydrogen-bond rearrangement around the flavin chromophore proceeds through a radical-pair mechanism, by which light-induced electron and proton transfer from the protein to flavin result in ...
Kennis, J.T.M., Groot, M.L.
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Basics of ultrafast spectroscopy
2023Abstract Basics of ultrafast spectroscopy are introduced in this chapter. We first discuss the basic concept of spectroscopy in terms of linear and nonlinear spectroscopy. We then describe definitions and parameters of ultrashort pulses and the ultrafast nonlinear/coherent spectroscopy.
Hebin Li +4 more
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Ultrafast Vibrational Spectroscopy of Cyanophenols
The Journal of Physical Chemistry A, 2010Aromatic compounds with electron-donating or -accepting substituents exhibit interesting resonance effects on a variety of chemical reactivities and optical properties. To understand such effects and the possible relationship between vibrational energy dissipation pathways and resonance structures of aromatic compounds, we studied ortho-, meta-, and ...
Kyung-Koo, Lee +5 more
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Theoretical Methods for Ultrafast Spectroscopy
ChemPhysChem, 2013AbstractTime‐resolved spectroscopy in the femtosecond and attosecond time domain is a tool to unravel the dynamics of nuclear and electronic motion in molecular systems. Theoretical insight into the underlying physical processes is ideally gained by solving the time‐dependent Schrödinger equation.
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Ultrafast Absorption Spectroscopy
Berichte der Bunsengesellschaft für physikalische Chemie, 1974AbstractThe experimental scheme of flashspectroscopy can be employed to investigate extremely fast photophysical and photochemical processes of organic molecules. Essential changes in the method most be made, however, with regard to sample excitation and detection of absorption changes, if the processes to be investigated have characteristic times in ...
Alexander Müller, G. R. Willenbring
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Ultrafast spectroscopy of dinaphthylpolyynes
2013 Conference on Lasers & Electro-Optics Europe & International Quantum Electronics Conference CLEO EUROPE/IQEC, 2013We investigated experimentally and theoretically the photo-physical properties of a class of linear sp-carbon chains, the ?,?- dinaphthylpolyyne Ar-C2n-Ar, where Ar is the naphthyl group and n is the number of triple bonds. The dynamics of the excited states has been investigated by ultrafast transient absorption spectroscopy and DFT//TDDFT ...
Fazzi Daniele +11 more
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Ultrafast Spectroscopy of Chromophores
2012Abstract : The synthesis of a family of symmetric 2,5-didodecanoxy phenyleneethynylene oligomer series bearing butadiynes as central group was carried out by a Sonogashira-Heck reaction by either the Pd(0)/CuI cross-coupling reaction between a bis(dodecanoxy)benzene halogenate terminated and a bis(dodecanoxy)benzene acetylene terminated oligomer or ...
Ronald F. Ziolo +2 more
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Ultrafast Processes in Spectroscopy
Measurement Science and Technology, 1997This book contains collected papers presented at the 9th International Symposium on Ultrafast Processes in Spectroscopy. This symposium was previously held in the former USSR and eastern European countries, mainly East Germany. From the 8th Symposium, it was also held in western Europe.
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