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free electron laser radiation

The quantum free electron laser

The quantum free electron laser

... coherent radiation ranging from the microwave to the X-ray region of the electromagnetic ...an electron beam consisting of classical particles interacts with a classical electromagnetic radiation ...

15

The ion channel free-electron laser with varying betatron amplitude

The ion channel free-electron laser with varying betatron amplitude

... planar electron motion and linear polarization of the radiation fi eld, the theory can be extended to describe betatron oscillations in both transverse directions, leading to elliptical ...

13

An extended model of the quantum free-electron laser

An extended model of the quantum free-electron laser

... the Free Electron Laser (QFEL) have performed an averaging and the application of periodic boundary conditions to the coupled Maxwell – Schrödinger equations over short, resonant wavelength intervals ...

10

Free electron laser using 'beam by design'

Free electron laser using 'beam by design'

... spread, electron beamlets of different mean energies stacked in ...the radiation from one section of the chirped beam to drift out of resonance as it propagates into electrons which are resonant at a ...

13

Theoretical Study of Ultra-Relativistic Laser Electron Interaction in the Strong Radiation Reaction Regime

Theoretical Study of Ultra-Relativistic Laser Electron Interaction in the Strong Radiation Reaction Regime

... A bremsstrahlung energy loss dW /dt can’t become neg- ative, the solution Eq. (22) free from a run-away effect. Other space components are connected by the relation which g(w , w) = c 2 . If one of the w i = 1 , 2 ...

6

Practical considerations for the ion channel free-electron laser

Practical considerations for the ion channel free-electron laser

... and radiation fields give rise to a ponderomotive force that bunches the electrons on a wavelength scale and results in intense coherent ...coherent radiation by amplifying incoherent synchrotron ...

9

Velocity dispersion of correlated energy spread electron beams in the free electron laser

Velocity dispersion of correlated energy spread electron beams in the free electron laser

... the radiation slips from the tail to the head of the bunch more than once within the undulator, meaning the taper shifts the peak in the amplified frequencies—a single frequency cannot be maintained at resonance ...

9

A high average current electron source for the Jefferson Laboratory free electron laser

A high average current electron source for the Jefferson Laboratory free electron laser

... spontaneous radiation is amplified as it passes through the undulator on a single ...the radiation to reach sat- uration, the undulators need to be long enough for this to ...the radiation is ...

225

Undulator radiation driven by laser-wakefield accelerator electron beams

Undulator radiation driven by laser-wakefield accelerator electron beams

... Advanced Laser-Plasma High-Energy Accelerators towards X-rays (ALPHA-X) programme is developing laser-plasma accelerators for the production of ultra-short electron bunches with subsequent generation ...

7

Design of sub-Angstrom compact free-electron laser source

Design of sub-Angstrom compact free-electron laser source

... undulator Free Electron Laser (FEL) by ultra−high intensity laser pulses (a laser undulator) ...Synchrotron radiation is emitted when an electron beam of substantially ...

16

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

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

... and radiation propagation within the non-amplifying sections of the optical cavity ...transverse radiation characteristics are presented and scans over cavity geometry parameters are performed in a ...

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Two-colour free electron laser with wide frequency separation using a single monoenergetic electron beam

Two-colour free electron laser with wide frequency separation using a single monoenergetic electron beam

... module, radiation at the non-resonant wavelength will effectively propagate in free ...undergo free-space diffraction (unless it is an harmonic when some guiding can occur [27]), which will reduce ...

12

Compression of X-ray Free Electron Laser pulses to attosecond duration

Compression of X-ray Free Electron Laser pulses to attosecond duration

... harmonic radiation eases the required temporal synchronisation with the XFEL ...seed radiation contains a large number of harmonics, there will always be some photons within the bandwidth of the RBS ...

7

Efficiency Enhancement in a Pre Bunched Cerenkov Free Electron Laser

Efficiency Enhancement in a Pre Bunched Cerenkov Free Electron Laser

... in free electron lasers for the generation of high gain radiation at high frequencies has been demonstrated by Freund et ...that free electron laser with the pre-bunched beam ...

8

Modelling a laser plasma accelerator driven free electron laser

Modelling a laser plasma accelerator driven free electron laser

... length l c = 4 l pr r = 0.4 m m [ 7 ] , so that the radiation output will then be in the weak superradiant mode of operation to give a single, short radiation pulse output [14]. Figure 4 shows the total ...

7

The application of extreme ultra-violet lasers in plasma heating and diagnosis

The application of extreme ultra-violet lasers in plasma heating and diagnosis

... of laser-produced plasmas can be created with capillary discharge and free electron lasers operating in the extreme ultra-violet ...EUV radiation (wavelength < 50 nm) has a critical ...

7

Frequency modulated free electron laser

Frequency modulated free electron laser

... the electron beam with respect to the co-propagating radiation field ...These radiation modes are formally identical to those created in an oscillator ...conventional laser oscillator, a ...

8

Chirped and modulated electron pulse free electron laser techniques

Chirped and modulated electron pulse free electron laser techniques

... FEL. Electron pulses used in free electron lasers can exhibit a large energy chirp (greater than 1 % of mean electron beam energy) which can degrade the FEL ...Puffin. Electron pulses ...

7

Laser heater commissioning at an externally seeded free-electron laser

Laser heater commissioning at an externally seeded free-electron laser

... FERMI laser heater (LH) system. The measured heating of the electron beam is in excellent agreement with analytical ...the electron beam longitudinal phase space and of the COTR intensity produced at ...

10

Attosecond single-cycle undulator light : a review

Attosecond single-cycle undulator light : a review

... conditions. Free-electron lasers, for instance, have enabled the characterization of biomolecular structures with sub-˚ angstr¨ om spatial resolution, and paved the way to controlling the molecular ...

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