{
  "annotation_id": "794e016d-94a4-48b7-9e26-972622ce831d",
  "date_created": "2026-03-02T18:00:53.779000Z",
  "date_modified": "2026-03-02T18:00:53.779000Z",
  "file_hash": "cc7903c4b588cf6d3df6cb225110480c560dadacb3189a119ea39dff95a8720e",
  "private": false,
  "record": {
    "abstract": "We have developed an improved scheme for loading atoms into a magneto-optical\ntrap (MOT) from a directed alkali metal dispenser in \u003c 10^-10 torr ultra-high\nvacuum conditions. A current-driven dispenser was surrounded with a cold\nabsorbing \"shroud\" held at \u003c 0 C, pumping rubidium atoms not directed into the\nMOT. This nearly eliminates background alkali atoms and reduces the detrimental\nrise in pressure normally associated with these devices. The system can be\nwell-described as a current-controlled, rapidly-switched, two-temperature\nthermal beam, and was used to load a MOT with 3 x 10^8 atoms.",
    "arxiv_id": "physics/0409011",
    "authors": [
      "Kevin L. Moore",
      "Thomas P. Purdy",
      "Kater W. Murch",
      "Sabrina Leslie",
      "Subhadeep Gupta",
      "Dan M. Stamper-Kurn"
    ],
    "categories": [
      "physics.atom-ph"
    ],
    "doi": "10.1063/1.1841852",
    "title": "Collimated, single-pass atom source from a pulsed alkali metal dispenser   for laser-cooling experiments",
    "url": "https://arxiv.org/abs/physics/0409011"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "712baf18-7042-4ad7-82b5-0c6e597f96f1",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}