pump pulse
A 100 kHz time-resolved multiple-probe femtosecond to second infrared absorption spectrometer
... to pump rates of ≤ 5 kHz, scaling of data rate can typically only be applied to the ...every pump laser shot, there are n probe laser ...probe pulse and the microsecond to millisecond dynamics are ...
23
The semiclassical and quantum regimes of super-radiant light scattering from a Bose-Einstein condensate
... (see Eq.(11)) is much shorter than in the “Superradiant Rayleigh Scattering” example as a result of the decreased pump-atom detuning. In Ref. [16] a suppression of quantum SR gain G of Eq. (8) by around two orders ...
10
Angular asymmetric nonlinear polariton dynamics in semiconductor microcavities
... injected pump energy, are immediately emitted before they have a chance to ther- malise and lose the memory of the original direction of their in-plane ...probe pulse alone is normally incident, and this is ...
8
Dual-pump manipulation of ultrafast demagnetization in TbFeCo
... 2nd pump pulse demonstrates a controllable manipulation of the magnitude and temporal response of demagnetization dynamics, by tuning the fluence and time interval of the 2nd ...total pump fluence, ...
9
Advantages to a diverging Raman amplifier
... seed pulse at its focus, where its intensity is ...seed pulse with energy 1 mJ in a plasma of electron density 10 19 cm −3 could easily achieve a 1 T 1 p ffiffiffiffiffiffiffiffiffiffi ω 0 ω p = 5 with a focal beam waist of 6 ...
7
Compression of X-ray Free Electron Laser pulses to attosecond duration
... the pump and Langmuir waves will be much more ...A pump pulse of wavelength greater than 1 nm is focussed to highest possible peak intensity ( > 10 18 W/cm 2 ) on a target around 1/10 of solid ...
7
Spin and valley control of free carriers in single layer WS2
... s-polarized pump pulse with a photon energy of ...different pump energies were used to establish the resonant condition between VBM and CBM (not shown) and these dynamics are found to be independent ...
5
Homann, Christian (2013): Optical parametric processes to the extreme: From new insights in first principles to tunability over more than 4 octaves. Dissertation, LMU München: Fakultät für Physik
... (chirped pulse) amplification ...high pulse energies ...necessitates pulse energies of several 100 μ ...of pump pulse energy at 800 nm, not readily available at 100 ...moderate ...
196
Demonstration of laser pulse amplification by stimulated Brillouin scattering
... long pump pulse (15 ps) to a short seed pulse (1 ps) has been investigated in a proof-of-principle demonstration ...from pump to probe pulse is ...
7
Development of a high-power, ultrashort pulse duration optical parametric amplification system
... the pump pulse and the resonated ...resonated pulse can shift its ...temporal pulse profile of the signal and idler pulses is expected to be a strongly amplitude and phase modulated ...
181
Observation of ultrafast free carrier dynamics in single layer MoS2
... a pulse duration of 30 fs and an energy per pulse of 12 mJ was used to generate pump and probe ...tunable pump pulses with wavelengths centered at 408 nm, 615 nm and 784 ...applied pump ...
15
Relaxed damage threshold intensity conditions and nonlinear increase in the conversion efficiency of an optical parametric oscillator using a bi-directional pump geometry
... bi-directional pump geometry for a singly resonant synchronously pumped ultra-short pulsed ...„forward‟ pump pulse and a second counter-propagating pulse in the „reverse‟ direction together ...
8
Chirped pulse Raman amplification in warm plasma : towards controlling saturation
... Stimulated Raman backscattering in plasma is potentially an efficient method of amplifying laser pulses to reach exawatt powers because plasma is fully broken down and withstands extremely high electric fields. Plasma ...
9
Optimization of plasma amplifiers
... Figure 2 indicates the limited efficiency, as found from 1200 one-dimensional particle-in-cell (PIC) simulations cov- ering the parameter space. These simulations initialize a large number of macroparticles, each ...
6
Quantum temporal imaging with squeezed light
... the pump should have a quadratic in time phase ...Gaussian pump pulse such a dependence can be rather easily realized by impinging a quadratic frequency phase shift by propagation in a dispersive ...
5
Raman amplification in plasma : thermal effects
... excluding pump depletion from the simulation ...but pulse compression still ...chirped pump or a plasma density gradient, allowing pulse ...allowing pulse lengthening as observed in the ...
6
Characteristics of Q switched cladding pumped ytterbium doped fiber lasers with different high energy fiber designs
... We have theoretically and experimentally studied Q-switched cladding-pumped Yb-doped fiber lasers operating at millijoule levels. Theoretical results show that the energy storage is limited by strong ASE between pulses, ...
8
Control and measurement of ultrafast pulses for pump/probe based metrology
... During the measurements there was a great deal of difficulty encountered in creating a good signal-to-noise ratio, for which there were several un- avoidable causes. The loss of 50% or more of the 1500 nm power through ...
204
Spontaneous spin bifurcations and ferromagnetic phase transitions in a spinor exciton polariton condensate
... An interesting question here is why we observe the spontaneous buildup of circular polarization, as opposed to the linear polarization that is widely reported in the literature [1,2]. The key difference between the ...
18
Ultrafast Electron Diffraction: Pulsed Laser Desorption Enables Time Resolved Structural Determination of Thermally Labile Chromophores
... this pulse, δθ = ...the pulse started out with a big initial ...optimized pulse shown in Figure 3.31, although being better than the pulse under the original design, might not be the best ...
312