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Polarization control proposal for Shanghai deep ultraviolet free electron laser
FEL Crossed undulator Circular polarization Slippage
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2012/2/28
In this paper, a fully coherent radiation option with controllable polarization is proposed for Shanghai deep ultraviolet free electron laser (FEL) test facility. Intensive start-to-end simulation sug...
High Bandwidth Pickup Design for Bunch Arrival-time Monitors for Free-Electron Laser
High Bandwidth Pickup Design Bunch Arrival-time Monitors Free-Electron Laser
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2012/2/29
In this paper, we present the design and realization of high bandwidth pickup electrodes with a cutoff frequency above 40 GHz. The proposed cone-shaped pickups are part of a bunch arrival-time monitor...
High Bandwidth Pickup Design for Bunch Arrival-time Monitors for Free-Electron Laser
High Bandwidth Pickup Design Bunch Arrival-time Monitors Free-Electron Laser
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2012/2/28
In this paper, we present the design and realization of high bandwidth pickup electrodes with a cutoff frequency above 40 GHz. The proposed cone-shaped pickups are part of a bunch arrival-time monitor...
Exploring Interatomic Coulombic Decay by Free Electron Lasers
Free Electron Lasers Interatomic Coulombic
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2011/8/29
To exploit the high intensity of laser radiation, we propose to select frequencies at which singlephoton absorption is of too low energy and two or more photons are needed to produce states of an atom...
An X-Ray Free Electron Laser Oscillator with Intermediate Energy Electron Beam
X-Ray Free Electron Laser Oscillator Intermediate Energy Electron Beam
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2011/8/4
Abstract: Harmonic lasing of low-gain free electron laser oscillator has been experimentally demonstrated in terahertz and infrared region. Recently, together with the high-reflectivity high-resolutio...
Nearly Free Electron States in Graphane Nanoribbon Superlattice
Graphane Nanoribbon Superlattice
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2010/11/23
Nearly free electron (NFE) state has been widely studied in low dimensional systems. Based on
first-principles calculations, we identify two types of NFE states in graphane nanoribbon
superlattice, ...
Three dimensional study of harmonic operation at the Shanghai deep ultraviolet free electron laser
harmonic operation linear harmonic superradiant
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2009/12/24
With the right choice of parameters in the free electron laser (FEL) scheme, the undulator can be primarily operated at high order harmonic modes and the harmonic radiation is expected to be significa...
Harmonic operation of high gain harmonic generation free electron laser
harmonic operation HGHG FEL
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2009/8/14
In high gain harmonic generation (HGHG) free electron laser (FEL), with the right choice of parameters of the modulator undulator, the dispersive section and the seed laser, one may make the spatial b...
Researchers Observe Superradiance in a Free Electron Laser
Superradiance Free Electron molecules atoms
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2007/1/30
January 19, 2007，UPTON, NY - At the U.S. Department of Energy’s (DOE) Brookhaven National Laboratory, a team of researchers has generated extremely short light pulses using a new technique that could ...