{
  "annotation_id": "6558536e-7980-42a6-965a-48eb662fd99e",
  "date_created": "2026-03-02T18:00:57.240000Z",
  "date_modified": "2026-03-02T18:00:57.240000Z",
  "file_hash": "c80aba66d42979795cc025cd9378c124b43404bcd9e6f8e4e877147522919fa1",
  "private": false,
  "record": {
    "abstract": "This paper describes theoretical modelling of electrostatic lenses based on\n3, 4 and 5 closely spaced cylindrical electrodes, respectively. In each case,\nmodelling is carried out numerically using commercial packages SIMION and\nLENSYS, and a variety of performance parameters are obtained. These include the\nmagnification, the 3rd order spherical and chromatic aberration coefficients.\nSpecial cases such as zoom lens (i.e., lenses whose magnification may be\nchanged without losing focus) are considered. Results are obtained as a\nfunction of the ratios of the electrode lengths and gaps, and as a function of\nratios of the controlling voltages.\n  As a result, it is shown that how a multi-element lens system can be operated\nwith the whole focal properties in a useful mode for using in experimental\nstudies.",
    "arxiv_id": "physics/0503145",
    "authors": [
      "Omer Sise",
      "Melike Ulu",
      "Mevlut Dogan"
    ],
    "categories": [
      "physics.ins-det",
      "physics.atom-ph"
    ],
    "doi": "10.1016/j.nima.2005.08.068",
    "title": "Multi-element cylindrical electrostatic lens systems for focusing and   controlling charged particles",
    "url": "https://arxiv.org/abs/physics/0503145"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "fce4136b-d9ff-4fa8-9d73-416ce7921878",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}