Simulation of FEL pulse length calculation with THz streaking method
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Vibrational sum-frequency generation (SFG) employing femtosecond infrared (IR) laser pulses is used to study the dynamics of the C-O stretch vibration on Ru(0 0 1). Time-resolved measurements of the free induction decay (FID) of the IR-polarization for 0.3 ...
We present femtosecond gain measurements in microcavity-embedded quantum wells. When the excitonic transition is saturated by an intense pump field, the spectrum measured with a weak probe pulse is strongly modulated by pump-probe wave mixing processes. A ...
Summary form only given. In recent years, broadband fiber interferometers have become very popular as basic instruments used in optical coherence tomography (OCT) for imaging applications in the biomedical field. A major challenge in the further developmen ...
The broad tunability (1-10 mum) and megawatt regime peak intensity available from the Vanderbilt Free-Electron Laser is opening new avenues in semiconductor research. Initial experiments in nonlinear optical absorption and heterojunction band-edge disconti ...
As synchrotron radiation sources have been used for many experiments in the ultraviolet and X-ray regimes, the free-electron laser is an excellent source for a wide array of infrared-photon projects and applications. The free-electron laser delivers a beam ...
In 1993/94, ultrabright synchrotron sources of soft X-rays have been commissioned in Taiwan, in Italy and in the USA - and another one is forthcoming in South Korea, The novel field of photoelectron spectromicroscopy is one of the most likely to take advan ...
Synchrotron-radiation sources have become, since the late 1960's, one of the fundamental experimental tools for surface and interface research. Only recently, however, a related type of photon sources - the free-electron lasers (FELs) - has begun to make i ...
Free electron lasers (FEL's) are not new instruments: for a long time, they have produced high-intensity photon beams, primarily in the infrared. They can be, therefore, excellent complementary facilities to synchrotron radiation, whose primary spectral do ...
Experimental breakthroughs are having a big impact on surface and interface science. We review two series of results: first, photoemission experiments performed with high (0.1 micron) lateral resolution on the scanning instrument MAXIMUM at Wisconsin. Thes ...
The influence of coherent optical pumping in semiconductor lasers is investigated theoretically. In particular the mathematical conditions under which an optically pumped system behaves like an electrically (incoherently) pumped system are derived. We show ...