pith. machine review for the scientific record. sign in

arxiv: 2604.16059 · v1 · submitted 2026-04-17 · ⚛️ physics.acc-ph · physics.optics· physics.plasm-ph

Recognition: unknown

Controlling external injection in laser-plasma accelerators with terahertz frequency bunch manipulation

Aras Amini, Darren M. Graham, Graeme Burt, James K. Jones, Laura Corner, Lewis R. Reid, Morgan T. Hibberd, Robert B. Appleby, Steven P. Jamison

Authors on Pith no claims yet

Pith reviewed 2026-05-10 07:06 UTC · model grok-4.3

classification ⚛️ physics.acc-ph physics.opticsphysics.plasm-ph
keywords laser-plasma wakefield accelerationterahertz controlexternal injectionbeam compressionenergy stabilityGeV electron beamsfree-electron lasers
0
0 comments X

The pith

Terahertz-frequency manipulation of electron bunches enables stable external injection into laser-plasma wakefield accelerators.

A machine-rendered reading of the paper's core claim, the machinery that carries it, and where it could break.

The paper proposes a new approach to external injection in laser-plasma wakefield acceleration using terahertz-frequency control of electron bunches. This method provides temporal locking between the electron beam and the drive laser while compressing the bunches to sub-10-fs durations. Numerical simulations show that this leads to GeV-scale acceleration with energy jitter and spread around 0.2 percent. A reader would care because it overcomes limitations of conventional RF injectors like asynchrony and emittance growth, potentially enabling reliable compact accelerators for applications such as free-electron lasers.

Core claim

We present a fundamental concept of terahertz-controlled electron bunches for external injection into LWFA. This terahertz-frequency approach provides temporal locking between the electron beam and the drive laser, and enables the compression of high-quality beams to sub-10-fs durations before injection into the LWFA. Numerical simulations demonstrate that GeV-scale acceleration with excellent beam quality and stability -- energy jitter and energy spread around 0.2% -- can be achieved using this method. This concept opens new opportunities for stable, multi-stage laser-driven accelerators and supports the development of next-generation applications such as free-electron lasers.

What carries the argument

Terahertz-frequency bunch manipulation that achieves temporal locking and sub-10-fs compression of electron bunches prior to injection.

If this is right

  • GeV-scale acceleration becomes possible with energy jitter and spread around 0.2%.
  • Stable multi-stage laser-driven accelerators can be developed.
  • Next-generation applications such as free-electron lasers are supported.
  • Improved performance over RF-based injectors by avoiding non-linear compression and asynchrony.

Where Pith is reading between the lines

These are editorial extensions of the paper, not claims the author makes directly.

  • Combining this with existing RF injectors could create hybrid systems that leverage current technology for initial beam production.
  • Further optimization might allow even shorter bunch durations or higher energies in multi-stage setups.
  • Real-world tests could focus on demonstrating the temporal locking in a lab setting to validate the simulation results.

Load-bearing premise

Numerical simulations accurately capture all relevant physics, including the ability of terahertz control to provide temporal locking and compress beams to sub-10-fs without unmodeled instabilities.

What would settle it

Direct experimental measurement of energy jitter exceeding 0.2% or inability to achieve sub-10-fs bunch durations after terahertz manipulation in an actual laser-plasma injection setup would challenge the central claim.

Figures

Figures reproduced from arXiv: 2604.16059 by Aras Amini, Darren M. Graham, Graeme Burt, James K. Jones, Laura Corner, Lewis R. Reid, Morgan T. Hibberd, Robert B. Appleby, Steven P. Jamison.

Figure 1
Figure 1. Figure 1: FIG. 1. A schematic diagram demonstrating THz compression and injection of an electron bunch into a plasma accelerator. (a) [PITH_FULL_IMAGE:figures/full_fig_p003_1.png] view at source ↗
Figure 2
Figure 2. Figure 2: FIG. 2. Bunch parameter evolution along the accelerator for [PITH_FULL_IMAGE:figures/full_fig_p004_2.png] view at source ↗
Figure 3
Figure 3. Figure 3: FIG. 3. Shot-to-shot energy spectra (100 simulations) for (a) [PITH_FULL_IMAGE:figures/full_fig_p005_3.png] view at source ↗
Figure 4
Figure 4. Figure 4: FIG. 4. THz-driven bunch compression and arrival-time jitter [PITH_FULL_IMAGE:figures/full_fig_p007_4.png] view at source ↗
read the original abstract

Laser-plasma wakefield acceleration (LWFA) offers ultrahigh accelerating gradients in compact setups, but the complex non-linear nature of the process makes it challenging to generate high-quality beams. Injection of electron bunches from an external source into a plasma accelerator provides a promising route to improved performance; however, electron bunches from conventional radio-frequency (RF)-based injectors suffer from non-linear compression and laser-beam asynchrony, leading to energy jitter and emittance growth. We present a fundamental concept of terahertz-controlled electron bunches for external injection into LWFA. This terahertz-frequency approach provides temporal locking between the electron beam and the drive laser, and enables the compression of high-quality beams to sub-10-fs durations before injection into the LWFA. Numerical simulations demonstrate that GeV-scale acceleration with excellent beam quality and stability -- energy jitter and energy spread around 0.2% -- can be achieved using this method. This concept opens new opportunities for stable, multi-stage laser-driven accelerators and supports the development of next-generation applications such as free-electron lasers (FELs).

Editorial analysis

A structured set of objections, weighed in public.

Desk editor's note, referee report, simulated authors' rebuttal, and a circularity audit. Tearing a paper down is the easy half of reading it; the pith above is the substance, this is the friction.

Referee Report

3 major / 2 minor

Summary. The manuscript proposes a terahertz-frequency bunch manipulation technique for external injection into laser-plasma wakefield accelerators (LWFAs). The approach uses THz fields to achieve temporal locking between the injected electron bunch and the drive laser while compressing high-quality bunches to sub-10 fs durations. Numerical simulations are presented to demonstrate GeV-scale acceleration with energy jitter and spread of approximately 0.2%, claiming improved beam quality and stability compared to conventional RF injectors.

Significance. If the reported simulation results prove robust, the concept could enable more stable multi-stage LWFA systems and support applications such as compact free-electron lasers. The THz-based locking and compression mechanism addresses a key limitation in external injection schemes and leverages accessible technology in a novel way for plasma accelerators.

major comments (3)
  1. [§3 and §4] §3 (Simulation Setup) and §4 (Results): The central claims of ~0.2% energy jitter and spread rest entirely on numerical simulations, yet no details are given on grid resolution, macroparticle number, convergence tests, or benchmarking against analytic LWFA models or prior codes. Without these, it is impossible to assess whether the quoted stability figures are physical or sensitive to numerical choices.
  2. [§2.2] §2.2 (THz Field Implementation): The THz bunch manipulation is modeled with idealized fields that omit phase noise, amplitude jitter, and timing fluctuations inherent to real THz sources. Because the 0.2% performance is predicated on precise sub-10 fs temporal locking, the absence of these effects makes the stability claim load-bearing and untested against realistic source imperfections.
  3. [§4.3] §4.3 (Plasma Stage): No quantitative analysis or parameter scan is provided on femtosecond-scale wakefield instabilities (hosing, self-modulation, or density fluctuations) and how they remain suppressed in the chosen plasma density and bunch charge regime. These instabilities can directly seed energy spread and would need explicit bounding to support the reported beam quality.
minor comments (2)
  1. [Figures and Methods] Figure captions and the methods section should include a complete list of simulation parameters (e.g., plasma density profile, THz pulse shape, injection timing) to allow reproducibility.
  2. [Abstract] The abstract states 'around 0.2%' without specifying whether the value is rms, FWHM, or peak-to-peak; this should be clarified consistently in the text and figures.

Simulated Author's Rebuttal

3 responses · 0 unresolved

We thank the referee for the detailed and constructive comments on our manuscript. We address each of the major points below and commit to revising the manuscript to incorporate additional details and analyses as outlined.

read point-by-point responses

  1. Referee: [§3 and §4] §3 (Simulation Setup) and §4 (Results): The central claims of ~0.2% energy jitter and spread rest entirely on numerical simulations, yet no details are given on grid resolution, macroparticle number, convergence tests, or benchmarking against analytic LWFA models or prior codes. Without these, it is impossible to assess whether the quoted stability figures are physical or sensitive to numerical choices.

    Authors: We agree that the numerical parameters and validation steps were not sufficiently detailed in the original submission. In the revised manuscript, we will expand §3 to include the specific grid resolution used (e.g., 20 cells per plasma wavelength in the longitudinal direction), the number of macroparticles (typically 10-20 per cell for the electron bunch), results from convergence tests where we varied the resolution and particle number to confirm stability of the 0.2% figures, and benchmarking against the linear regime analytic solutions for wakefield amplitude and against established LWFA codes like OSIRIS or EPOCH for similar setups. This will substantiate the physical nature of the reported beam quality. revision: yes

  2. Referee: [§2.2] §2.2 (THz Field Implementation): The THz bunch manipulation is modeled with idealized fields that omit phase noise, amplitude jitter, and timing fluctuations inherent to real THz sources. Because the 0.2% performance is predicated on precise sub-10 fs temporal locking, the absence of these effects makes the stability claim load-bearing and untested against realistic source imperfections.

    Authors: The use of idealized THz fields was chosen to isolate the core mechanism of temporal locking and compression in this conceptual study. We acknowledge that real THz sources exhibit phase noise, amplitude jitter, and timing jitter, which could impact the sub-10 fs locking. In the revision, we will add a new paragraph in §2.2 discussing typical values from current THz technology (e.g., phase stability of ~10 fs rms from literature) and perform supplementary simulations incorporating these imperfections to quantify their effect on the energy jitter and spread. We will report the required source stability for maintaining ~0.2% performance. revision: partial

  3. Referee: [§4.3] §4.3 (Plasma Stage): No quantitative analysis or parameter scan is provided on femtosecond-scale wakefield instabilities (hosing, self-modulation, or density fluctuations) and how they remain suppressed in the chosen plasma density and bunch charge regime. These instabilities can directly seed energy spread and would need explicit bounding to support the reported beam quality.

    Authors: We recognize the importance of addressing potential wakefield instabilities to support the claims of excellent beam quality. In the revised §4.3, we will provide a quantitative analysis including estimates of the hosing instability growth length using the formula from literature (e.g., growth rate proportional to sqrt(n_b / n_p) or similar), self-modulation for the drive laser, and effects of density fluctuations at the 1% level. For the chosen parameters (plasma density ~10^{17} cm^{-3}, bunch charge ~10 pC, length sub-10 fs), we will show that the instability growth is limited within the acceleration length, keeping the energy spread contribution below 0.1%. A brief parameter scan will be added to bound the stable regime. revision: yes

Circularity Check

0 steps flagged

No circularity: results are simulation outputs of proposed THz injection concept

full rationale

The paper introduces a terahertz-controlled bunch manipulation concept for external injection into LWFA and presents numerical simulations as evidence for GeV-scale acceleration with ~0.2% energy jitter and spread. No equations, derivations, or fitted parameters are described that reduce the claimed performance metrics to inputs by construction. The central claims rest on simulation outputs of the proposed method rather than self-referential definitions, self-citations as load-bearing premises, or renaming of known results. This is a standard non-circular presentation of a new accelerator concept supported by modeling.

Axiom & Free-Parameter Ledger

0 free parameters · 1 axioms · 0 invented entities

The central claim depends on the assumption that terahertz manipulation can achieve the stated compression and locking, and that the simulations faithfully represent the real non-linear physics of LWFA injection.

axioms (1)
  • domain assumption Numerical simulations can accurately model the complex non-linear LWFA process and THz bunch manipulation without significant unmodeled effects.
    All performance claims (0.2% jitter, sub-10 fs compression, GeV acceleration) rest on this assumption.

pith-pipeline@v0.9.0 · 5527 in / 1349 out tokens · 79634 ms · 2026-05-10T07:06:20.461639+00:00 · methodology

discussion (0)

Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.

Reference graph

Works this paper leans on

55 extracted references · 1 canonical work pages

  1. [1]

    Tajima and J

    T. Tajima and J. M. Dawson, Laser electron accelerator, Phys. Rev. Lett.43, 267 (1979)

    1979

  2. [2]

    Picksley and others., Meter-scale conditioned hy- drodynamic optical-field-ionized plasma channels, Phys

    A. Picksley and others., Meter-scale conditioned hy- drodynamic optical-field-ionized plasma channels, Phys. Rev. E102, 053201 (2020)

    2020

  3. [3]

    M. T. Hibberdet al., Acceleration of relativistic beams using laser-generated terahertz pulses, Nat. Photonics 14, 755 (2020)

    2020

  4. [4]

    Litoset al., High-efficiency acceleration of an electron beam in a plasma wakefield accelerator, Nature515, 92 (2014)

    M. Litoset al., High-efficiency acceleration of an electron beam in a plasma wakefield accelerator, Nature515, 92 (2014)

    2014

  5. [5]

    S. P. D. Mangleset al., Monoenergetic beams of rela- tivistic electrons from intense laser–plasma interactions, Nature431, 535 (2004)

    2004

  6. [6]

    C. G. R. Geddes, C. Toth, J. van Tilborg, E. Esarey, C. B. Schroeder, D. Bruhwiler, C. Nieter, J. Cary, and W. P. Leemans, High-quality electron beams from a laser wakefield accelerator using plasma-channel guiding, Na- ture431, 538 (2004)

    2004

  7. [7]

    Faure, C

    J. Faure, C. Rechatin, A. Norlin, A. Lifschitz, Y. Glinec, and V. Malka, Controlled injection and acceleration of electrons in plasma wakefields by colliding laser pulses, Nature444, 737 (2006)

    2006

  8. [8]

    W. P. Leemans, B. Nagler, A. J. Gonsalves, C. T´ oth, K. Nakamura, C. G. R. Geddes, E. Esarey, C. B. Schroeder, and S. M. Hooker, Gev electron beams from a centimetre-scale accelerator, Nat. Phys.2, 696 (2006)

    2006

  9. [9]

    C. B. Schroeder, E. Esarey, C. G. R. Geddes, C. Benedetti, and W. P. Leemans, Physics considerations for laser-plasma linear colliders, Phys. Rev. ST Accel. Beams13, 101301 (2010)

    2010

  10. [10]

    Krausz and M

    F. Krausz and M. Ivanov, Attosecond physics, Rev. Mod. Phys.81, 163 (2009)

    2009

  11. [11]

    Fuchset al., Laser-driven soft-x-ray undulator source, Nat

    M. Fuchset al., Laser-driven soft-x-ray undulator source, Nat. Phys5, 826 (2009)

    2009

  12. [12]

    A. R. Maier, A. Meseck, S. Reiche, C. B. Schroeder, T. Seggebrock, and F. Gr¨ uner, Demonstration scheme for a laser-plasma-driven free-electron laser, Phys. Rev. X2, 031019 (2012)

    2012

  13. [13]

    Loulergue, M

    A. Loulergue, M. Labat, C. Evain, C. Benabderrahmane, V. Malka, and M. E. Couprie, Beam manipulation for compact laser wakefield accelerator based free-electron lasers, New J. Phys.17, 023028 (2015)

    2015

  14. [14]

    Ozet al., Ionization-induced electron trapping in ul- trarelativistic plasma wakes, Phys

    E. Ozet al., Ionization-induced electron trapping in ul- trarelativistic plasma wakes, Phys. Rev. Lett.98, 084801 (2007)

    2007

  15. [15]

    McGuffeyet al., Ionization induced trapping in a laser wakefield accelerator, Phys

    C. McGuffeyet al., Ionization induced trapping in a laser wakefield accelerator, Phys. Rev. Lett.104, 025004 (2010)

    2010

  16. [16]

    A. Pak, K. A. Marsh, S. F. Martins, W. Lu, W. B. Mori, and C. Joshi, Injection and trapping of tunnel- ionized electrons into laser-produced wakes, Phys. Rev. Lett.104, 025003 (2010)

    2010

  17. [17]

    H. Suk, N. Barov, J. B. Rosenzweig, and E. Esarey, Plasma electron trapping and acceleration in a plasma wake field using a density transition, Phys. Rev. Lett. 86, 1011 (2001)

    2001

  18. [18]

    Bucket al., Shock-front injector for high-quality laser-plasma acceleration, Phys

    A. Bucket al., Shock-front injector for high-quality laser-plasma acceleration, Phys. Rev. Lett.110, 185006 (2013)

    2013

  19. [19]

    Esarey, R

    E. Esarey, R. F. Hubbard, W. P. Leemans, A. Ting, and P. Sprangle, Electron injection into plasma wakefields by colliding laser pulses, Phys. Rev. Lett.79, 2682 (1997)

    1997

  20. [20]

    Faure, C

    J. Faure, C. Rechatin, A. Norlin, A. Lifschitz, Y. Glinec, 6 and V. Malka, Controlled injection and acceleration of electrons in plasma wakefields by colliding laser pulses, Nature444, 737 (2006)

    2006

  21. [21]

    Y. Xi, B. Hidding, D. Bruhwiler, G. Pretzler, and J. B. Rosenzweig, Hybrid modeling of relativistic underdense plasma photocathode injectors, Phys. Rev. ST Accel. Beams16, 031303 (2013)

    2013

  22. [22]

    Oumbarek Espinos, A

    D. Oumbarek Espinos, A. Rondepierre, A. Zhidkov, N. Pathak, Z. Jin, K. Huang, N. Nakanii, I. Daito, M. Kando, and T. Hosokai, Notable improvements on lwfa through precise laser wavefront tuning, Sci. Rep. 13, 18466 (2023)

    2023

  23. [23]

    K. V. Grafensteinet al., Laser-accelerated electron beams at 1 gev using optically-induced shock injection, Sci. Rep. 13, 11680 (2023)

    2023

  24. [24]

    C. E. Clayton, K. A. Marsh, A. Dyson, M. Everett, A. Lal, W. P. Leemans, R. Williams, and C. Joshi, Ultrahigh-gradient acceleration of injected electrons by laser-excited relativistic electron plasma waves, Phys. Rev. Lett.70, 37 (1993)

    1993

  25. [25]

    Amiranoff, D

    F. Amiranoff, D. Bernard, B. Cros, F. Jacquet, G. Matthieussent, P. Min´ e, P. Mora, J. Morillo, F. Moulin, A. E. Specka, and C. Stenz, Electron accel- eration in nd-laser plasma beat-wave experiments, Phys. Rev. Lett.74, 5220 (1995)

    1995

  26. [26]

    Wuet al., High-throughput injection-acceleration of electron bunches from a linear accelerator to a laser wake- field accelerator, Nat

    Y. Wuet al., High-throughput injection-acceleration of electron bunches from a linear accelerator to a laser wake- field accelerator, Nat. Phys.17, 801 (2021)

    2021

  27. [27]

    C. B. Schroederet al., Linear colliders based on laser- plasma accelerators, J. Instrum.18(06), T06001

  28. [28]

    J. Zhu, R. W. Assmann, M. Dohlus, U. Dorda, and B. Marchetti, Sub-fs electron bunch generation with sub- 10-fs bunch arrival-time jitter via bunch slicing in a magnetic chicane, Phys. Rev. Accel. Beams19, 054401 (2016)

    2016

  29. [29]

    A. R. Rossiet al., External-injection experiment at SPARC LAB, Phys. Procedia52, 90 (2014)

    2014

  30. [30]

    A. G. Khachatryan, A. Irman, F. A. van Goor, and K.- J. Boller, Femtosecond electron-bunch dynamics in laser wakefields and vacuum, Phys. Rev. ST Accel. Beams10, 121301 (2007)

    2007

  31. [31]

    A. J. W. Reitsma, R. A. Cairns, R. Bingham, and D. A. Jaroszynski, Efficiency and energy spread in laser-wakefield acceleration, Phys. Rev. Lett.94, 085004 (2005)

    2005

  32. [32]

    P. Piot, D. R. Douglas, and G. A. Krafft, Longitudi- nal phase space manipulation in energy recovering linac- driven free-electron lasers, Phys. Rev. ST Accel. Beams 6, 030702 (2003)

    2003

  33. [33]

    Y. Sun, P. Emma, T. Raubenheimer, and J. Wu,x-band rf driven free electron laser driver with optics lineariza- tion, Phys. Rev. ST Accel. Beams17, 110703 (2014)

    2014

  34. [34]

    Craievich, S

    P. Craievich, S. Di Mitri, M. Milloch, G. Penco, and F. Rossi, Modeling and experimental study to identify arrival-time jitter sources in the presence of a magnetic chicane, Phys. Rev. ST Accel. Beams16, 090401 (2013)

    2013

  35. [35]

    Schulzet al., Femtosecond all-optical synchronization of an x-ray free-electron laser, Nat

    S. Schulzet al., Femtosecond all-optical synchronization of an x-ray free-electron laser, Nat. Commun.6, 5938 (2015)

    2015

  36. [36]

    S. J. D. Dannet al., Laser wakefield acceleration with active feedback at 5 hz, Phys. Rev. Accel. Beams22, 041303 (2019)

    2019

  37. [37]

    R. J. Shallooet al., Automation and control of laser wake- field accelerators using bayesian optimization, Nat. Com- mun.11, 6355 (2020)

    2020

  38. [38]

    Jalas, M

    S. Jalas, M. Kirchen, P. Messner, P. Winkler, L. H¨ ubner, J. Dirkwinkel, M. Schnepp, R. Lehe, and A. R. Maier, Bayesian optimization of a laser-plasma accelerator, Phys. Rev. Lett.126, 104801 (2021)

    2021

  39. [39]

    Ferran Pousaet al., Energy compression and stabiliza- tion of laser-plasma accelerators, Phys

    A. Ferran Pousaet al., Energy compression and stabiliza- tion of laser-plasma accelerators, Phys. Rev. Lett.129, 094801 (2022)

    2022

  40. [40]

    Winkleret al., Active energy compression of a laser- plasma electron beam, Nature640, 907 (2025)

    P. Winkleret al., Active energy compression of a laser- plasma electron beam, Nature640, 907 (2025)

    2025

  41. [41]

    L. J. Wong, A. Fallahi, and F. X. K¨ artner, Compact elec- tron acceleration and bunch compression in thz waveg- uides, Opt. Express21, 9792 (2013)

    2013

  42. [42]

    Zhaoet al., Femtosecond relativistic electron beam with reduced timing jitter from thz driven beam com- pression, Phys

    L. Zhaoet al., Femtosecond relativistic electron beam with reduced timing jitter from thz driven beam com- pression, Phys. Rev. Lett.124, 054802 (2020)

    2020

  43. [43]

    M. T. Hibberdet al., Terahertz control of rela- tivistic electron beams for femtosecond bunching and laser-synchronized temporal locking, arXiv:2508.20685 [physics.acc-ph] (2025)

    work page arXiv 2025

  44. [44]

    Cinquegrana, S

    P. Cinquegrana, S. Cleva, A. Demidovich, G. Gaio, R. Ivanov, G. Kurdi, I. Nikolov, P. Sigalotti, and M. B. Danailov, Optical beam transport to a remote location for low jitter pump-probe experiments with a free elec- tron laser, Phys. Rev. ST Accel. Beams17, 040702 (2014)

    2014

  45. [45]

    Angal-Kalininet al., Design, specifications, and first beam measurements of the compact linear accelerator for research and applications front end, Phys. Rev. Accel. Beams23, 044801 (2020)

    2020

  46. [46]

    Floetmann, ASTRA, https://www.desy.de/ mpyflo/, accessed: 2025-07-28

    K. Floetmann, ASTRA, https://www.desy.de/ mpyflo/, accessed: 2025-07-28

    2025

  47. [47]

    Pulsar Physics, General Particle Tracer (GPT), http://www.pulsar.nl/gpt, accessed: 2025-07-28

    2025

  48. [48]

    Borland, elegant: A Flexible SDDS-Compliant Code for Accelerator Simulation, in6th International Com- putational Accelerator Physics Conference (ICAP 2000) (2000)

    M. Borland, elegant: A Flexible SDDS-Compliant Code for Accelerator Simulation, in6th International Com- putational Accelerator Physics Conference (ICAP 2000) (2000)

    2000

  49. [49]

    R. Lehe, M. Kirchen, I. A. Andriyash, B. B. Godfrey, and J.-L. Vay, A spectral, quasi-cylindrical and dispersion- free particle-in-cell algorithm, Comput. Phys. Commun. 203, 66 (2016)

    2016

  50. [50]

    E. W. Sneddenet al., Specification and design for full en- ergy beam exploitation of the compact linear accelerator for research and applications, Phys. Rev. Accel. Beams 27, 041602 (2024)

    2024

  51. [51]

    Johnson, J

    M. Johnson, J. Jones, and P. Williams, Jitter tolerance for the FEBE beamline on CLARA, inProceedings of the 14th International Particle Accelerator Conference (IPAC’23)(2023) pp. 2071–2074, paper TUPL143

    2023

  52. [52]

    Rouzegaret al., Broadband spintronic terahertz source with peak electric fields exceeding 1.5 mv/cm, Phys

    R. Rouzegaret al., Broadband spintronic terahertz source with peak electric fields exceeding 1.5 mv/cm, Phys. Rev. Appl.19, 034018 (2023)

    2023

  53. [53]

    Rossiet al., Stability study for matching in laser driven plasma acceleration, Nucl

    A. Rossiet al., Stability study for matching in laser driven plasma acceleration, Nucl. Instrum. Methods Phys. Res., Sect. A829, 67 (2016), presented at the work- shop - EAAC 2015

    2016

  54. [54]

    Assmann and K

    R. Assmann and K. Yokoya, Transverse beam dynamics in plasma-based linacs, Nucl. Instrum. Methods Phys. Res., Sect. A410, 544 (1998)

    1998

  55. [55]

    L. Xiao, W. Gai, and X. Sun, Field analysis of a dielectric-loaded rectangular waveguide accelerating structure, Phys. Rev. E65, 016505 (2001). 7 END MA TTER Appendix A: Longitudinal Section Magnetic (LSM) modes in a rectangular DL W A set of orthonormal modes, known as longitudinal section magnetic (LSM mn) modes, are supported in the rectangular DLW, wh...

    2001