{
  "abstract": "Sub-relativistic electrons in micron-scale dielectric laser accelerators face coupled challenges of longitudinal dephasing and transverse defocusing, often imposing stringent requirements on injector emittance. Here, we demonstrate a combined strategy of phase-trajectory control and injection matching for sustained, confined acceleration. By coordinating the refractive-index and section-length sequences with the injected beam's Twiss parameters, we control accumulated phase slippage while maintaining transverse confinement. In a seven-section inverse-Cherenkov accelerator simulation, a 100-keV electron bunch with an initial normalized transverse emittance of 1 nm-rad and a relative kinetic-energy spread of 0.1% reaches 1154.7 keV over 1.545 mm, with a transverse rms beam size below 1 $μ$m throughout the accelerating channels. The exit normalized emittance is 1.92 nm-rad, and the relative RMS kinetic-energy spread is 0.6%, with no particle loss under the specified tracking-acceptance criterion. The results demonstrate that coordinated structural sequencing and injection matching can relax injector-emittance requirements by up to approximately two orders of magnitude, offering a route toward compact dielectric accelerators for ultrafast electron diffraction, microscopy, and chip-scale coherent radiation.",
  "abstract_shown": true,
  "affiliations": [],
  "article_type": null,
  "arxiv": "2610.41806",
  "author_total": 6,
  "authors": [
    {
      "name": "Yuanhao Liu"
    },
    {
      "name": "Nanshun Huang"
    },
    {
      "name": "Xionghao Yuan"
    },
    {
      "name": "Xingheng Wang"
    },
    {
      "name": "Juhao Wu"
    },
    {
      "name": "Haixiao Deng"
    }
  ],
  "bibtex": "https://research.draconitic.com/paper/4yv0cpx5vpdy1.bib",
  "cited_by": 0,
  "doi": "10.48550/arxiv.2610.41806",
  "fulltext_url": null,
  "id": "4yv0cpx5vpdy1",
  "issns": [],
  "landing_url": "https://arxiv.org/abs/2610.41806",
  "language": null,
  "licence": "CC-BY-4.0",
  "licence_label": "CC BY 4.0",
  "licence_source": "article",
  "licence_url": "http://creativecommons.org/licenses/by/4.0/",
  "metadata_licence": "CC0-1.0",
  "native_subjects": [
    [
      "arxiv",
      "physics.acc-ph"
    ]
  ],
  "openalex": null,
  "pdf_url": "https://arxiv.org/pdf/2610.41806",
  "pmcid": null,
  "pmid": null,
  "published": "2026-10-30",
  "publisher": null,
  "ris": "https://research.draconitic.com/paper/4yv0cpx5vpdy1.ris",
  "sources": [
    {
      "first_seen": "2026-11-02T12:21:15Z",
      "native_id": "2610.41806",
      "source": "arxiv",
      "url": "https://arxiv.org/abs/2610.41806"
    }
  ],
  "subjects": [
    {
      "field": "physics",
      "origin": "arxiv:physics.acc-ph",
      "subfield": "applied-instrumentation"
    }
  ],
  "title": "Transverse Confinement in Cascaded Inverse-Cherenkov Acceleration via Phase-Trajectory Control and Injection Matching",
  "title_text": "Transverse Confinement in Cascaded Inverse-Cherenkov Acceleration via Phase-Trajectory Control and Injection Matching",
  "type": "preprint",
  "updated_at": "2026-11-04T15:20:51Z",
  "url": "https://research.draconitic.com/paper/4yv0cpx5vpdy1",
  "venue": "arXiv",
  "versions": []
}