Search Results - "Majernik, N"
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An ultra-compact x-ray free-electron laser
Published in New journal of physics (01-09-2020)“…In the field of beam physics, two frontier topics have taken center stage due to their potential to enable new approaches to discovery in a wide swath of…”
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2
Observation of Skewed Electromagnetic Wakefields in an Asymmetric Structure Driven by Flat Electron Bunches
Published in Physical review letters (19-04-2024)“…Relativistic charged-particle beams that generate intense longitudinal fields in accelerating structures also inherently couple to transverse modes. The…”
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3
Resonant excitation of very high gradient plasma wakefield accelerators by optical-period bunch trains
Published in Physical review. Accelerators and beams (01-05-2021)“…The use of a periodic electron beam bunch train to resonantly excite plasma wakefields in the quasinonlinear (QNL) regime has distinct advantages over…”
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4
Halbach undulators using right triangular magnets
Published in Physical review. Accelerators and beams (26-09-2019)“…Undulators and wigglers based on Halbach arrays have been in widespread use since their description in the 1980s, due to the high fields they generate from…”
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5
Beam shaping using an ultrahigh vacuum multileaf collimator and emittance exchange beamline
Published in Physical review. Accelerators and beams (01-02-2023)“…We report the development of a multileaf collimator (MLC) for charged particle beams, based on independently actuated tungsten strips that can selectively…”
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6
Single-shot, transverse self-wakefield reconstruction from screen images
Published in Physical review. Accelerators and beams (01-09-2023)“…A single-shot method to reconstruct the transverse self-wakefields acting on a beam, based only on screen images, is introduced. By employing numerical…”
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7
Compensating slice emittance growth in high brightness photoinjectors using sacrificial charge
Published in Physical review. Accelerators and beams (05-08-2024)“…Achieving maximum electron beam brightness in photoinjectors requires detailed control of the 3D bunch shape and precise tuning of the beam focusing. Even in…”
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8
High field hybrid photoinjector electron source for advanced light source applications
Published in Physical review. Accelerators and beams (01-06-2022)“…The production of high spectral brilliance radiation from electron beam sources depends critically on the electron beam qualities. One must obtain very high…”
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9
Positron driven high-field terahertz waves via dielectric wakefield interaction
Published in Physical review research (01-04-2022)“…Advanced acceleration methods based on wakefields generated by high-energy electron bunches passing through dielectric-based structures have demonstrated >GV/m…”
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10
Optimization of low aspect ratio, iron dominated dipole magnets
Published in Physical review. Accelerators and beams (27-03-2019)“…A study of the optimization of iron dominated dipole magnets with pole face widths comparable or less than the gap size, i.e., low aspect ratio (AR), is…”
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11
Single shot, double differential spectral measurements of inverse Compton scattering in the nonlinear regime
Published in Physical review. Accelerators and beams (05-06-2017)“…Inverse Compton scattering (ICS) is a unique mechanism for producing fast pulses—picosecond and below—of bright photons, ranging from x to γ rays. These…”
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12
Resonant excitation of betatron oscillations
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-09-2017)“…Resonant excitation of betatron oscillations is a proposed mechanism for creating large amplitude, sinusoidal electron oscillations by overlaying a standard…”
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Halbach undulators using right triangular magnets
Published in Physical review. Accelerators and beams (01-09-2019)“…Not provided…”
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15
Fast models for the evaluation of self-induced field effects in linear accelerators
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-11-2023)“…The advent of modern, ultrafast X-ray experiments has enabled scientists to probe physical phenomena at an ever smaller scale. However, this has come at a cost…”
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16
Fast models for the evaluation of self-induced field effects in linear accelerators
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-11-2023)“…Advanced applications of modern linear accelerators (linacs) strongly rely on the quality of the particle beams produced by such machines. Key examples of this…”
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17
Resonant excitation of very high gradient plasma wakefield accelerators by optical-period bunch trains
Published in Physical review. Accelerators and beams (01-05-2021)“…Not provided…”
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18
Adiabatic plasma lens experiments at SPARC
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (12-11-2018)“…Passive plasma lenses in the underdense regime have been shown to give extremely strong linear focusing, with strength proportional to the local plasma ion…”
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Adiabatic plasma lens experiments at SPARC
Published in Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment (01-11-2018)“…Not provided…”
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20
A rotor-based multileaf collimator for beam shaping
Published 08-10-2024“…We introduce a new style of multileaf collimator which employs rotors with angularly dependent radius to control the masking aperture: a rotor-based multileaf…”
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