free-electron laser amplifier
Start-to-end modelling of a mode-locked optical klystron free electron laser amplifier
... Fig. 4 shows a more detailed plot of the radiation power profile at the centre of the 120th undulator module, together with the electron beam energy and the modulus of the com- plex bunching parameter, b ¼ he ih ...
8
A design for the generation of temporally-coherent radiation pulses in the VUV and beyond by a self-seeding high-GaIn free electron laser amplifier
... is the FEL parameter [15]. It is seen that for z ¯ = 4 this maximized power is relatively insensitive to the mirror reflectivity—mirror reflectivities of 60% yield a power only 5% lower than that obtained using 95% ...
23
Frequency modulated free electron laser
... FEL amplifier [4, 5] by introducing a series of delays to the electron beam with respect to the co-propagating radiation field ...conventional laser oscillator, a modulation of the electron ...
8
A Review Study on Amplification of X Ray Free Electron Laser Pulse in Plasma
... intense laser pulses (optical and X-ray regime) through Backward Raman amplification (BRA) in ...plasma amplifier to further boost the power of an ex- isting CPA system [25] or as an alternative technique ...
6
A high average current electron source for the Jefferson Laboratory free electron laser
... an amplifier or an oscillator. In an amplifier, as its name suggests, the spontaneous radiation is amplified as it passes through the undulator on a single ...the electron beam equals that coupled ...
225
A wide bandwidth free-electron laser with mode locking using current modulation
... conventional laser theory, differences remain. In the conventional atomic laser oscillator, the gain of the radiation signal during one round-trip is relatively small and a buildup of the laser power ...
19
Modelling of an optical time division demultiplexer
... settles to the zero input value. Further investigations in an experiment by Wiesenfeld [Wiesenfeld et al 88] used pulses considerably shorter (7.9 ps ) than before. The pulse separation was above the relaxation time ...
215
Echo enabled harmonic generation free electron laser in a mode-locked configuration
... manipulates electron pulse phase space using two temporally coherent, long wavelength seed lasers and two dispersive ...seed laser in an undulator and then dispersed in a ...the electron beam is ...
9
Two-colour free electron laser with wide frequency separation using a single monoenergetic electron beam
... Two colour operation of an FEL was fi rst reported with a relatively low colour contrast in an infra-red oscillator con fi guration [4], with greater colour contrasts also possible [5]. More recently, two-colour operation ...
12
Towards single molecule shape determination with laser generated soft X rays
... Electron tunnels out of atom as field increases Electron accelerates in laser field as free particle Electrons which come back to the atom can recombine and emit an energetic photon E = [r] ...
35
Compression of X-ray Free Electron Laser pulses to attosecond duration
... Better focusing of the X-ray pulses, or future upgrades, will increase the growth rate and allow pulses to be compressed down to a few hundred attoseconds, retaining up to 8% of the pump energy. The per- formance is ...
7
Efficiency Enhancement in a Pre Bunched Cerenkov Free Electron Laser
... In Fig. 3, we have plotted the growth rate of the CFEL instability (in rad/sec) as a function of the phase of pre-bunched electron beam for the same parameters as Fig. 2 and for modulation index = 0.80. From ...
8
Design of sub-Angstrom compact free-electron laser source
... In this paper, we present design studies for a compact sub−Angstrom radiation source based on the Compton backscattering configuration. The criteria and constraints that are inherent in the requirements for all ...
16
Erbium Doped Fiber Laser and Amplifier
... Fiber laser and fiber amplifier have their numerous components for each design with the effect of each para- meters and parts on the ...ring laser, any changes of the fil- ter position in the ring ...
6
Electrochemical Preparation of Particles for X-Ray Free Electron Laser Based Diffractive Imaging
... FERMI free electron laser that will start operation in 2011, the Electrochemistry Group of University of Salento is developing a research program aiming at understanding and controlling the radiation ...
23
Spectroscopic Characterization of the Product Ions Formed by Electron Ionization of Adamantane
... The observed fragmentation pathways are clearly different, which is qualita- tively not surprising as the underlying processes are very different in terms of energy deposited, selection rules involved and potential ...
8
Pulses on Demand in Fibre and Hybrid Lasers
... processes, laser-based tools are ...flexible laser systems, capable of processing advanced patterns and structures at high speeds, has ...a laser processing unit, i.e., the laser-beam scanning ...
10
CLARA conceptual design report
... and electron bunch to enhance the SASE FEL longitudinal coherence and hence improve the spectral ...the electron bunch as it propagates though the undulator ...of electron beam energy fluctuation ...
97
Serial Femtosecond X-ray Diffraction of HIV-1 Gag MA-IP6 Microcrystals at Ambient Temperature
... microcrystals in liquid suspension at ambient temperature using an X-ray free-electron laser. MicroED opens a new era for biological structure determination[r] ...
14
The ion channel free-electron laser with varying betatron amplitude
... ion-channel laser (ICL) is an ultra-compact version of the free-electron laser (FEL), with the undulator replaced by an ion ...with electron bunches with realistic ...
13