{
  "annotation_id": "1d69ca00-f9c8-46aa-8a8a-ee7f80312677",
  "date_created": "2026-03-02T18:00:43.271000Z",
  "date_modified": "2026-03-02T18:00:43.271000Z",
  "file_hash": "3301aa434e4edc90c509dd4fcfb164ec6f3628503a2f6b3a665bdece6c9cfab0",
  "private": false,
  "record": {
    "abstract": "We have designed low noise temperature sensing and control units with the\nobjective of using them for the fabrication of far infrared active cavity\nradiometers. The sensing unit, first characterized at 300K using industrial\nplatinium resistance thermometers, has a noise level of\n  25E-6 to 30E-6 Keff for a 3 hours measuring time and in a 1Hz bandwidth.\nUsing YBCO superconducting thermometers, the noise level goes down to 2.5E-6\nKeff, which is strongly limited by excess 1/f noise in the YBCO film at the\nsuperconducting transition. The sample holder used in the 90K experiments is\nbuilt with an auxiliary heating resistor, which enables an easy and accurate\nidentification of the electrothermal model, even in the closed loop operation.\nBased on a design previously published by NIST, we estimate from these\nexperimental results that the overall noise limitations of radiometers could be\nlowered by one order of magnitude.",
    "arxiv_id": "physics/0210059",
    "authors": [
      "B. Guillet",
      "D. Robbes",
      "L. Mechin"
    ],
    "categories": [
      "physics.ins-det"
    ],
    "doi": "10.1063/1.1525872",
    "title": "Low noise temperature control : application to an active cavity   radiometer",
    "url": "https://arxiv.org/abs/physics/0210059"
  },
  "schema_id": "dorsal/arxiv",
  "source": {
    "execution_id": "3c18d019-27e4-49fa-b0b3-bfaa0b152bf7",
    "id": "arXiv Dataset IDs",
    "type": "Model",
    "variant": "snapshot-2026-03-01",
    "version": "0.1.0"
  },
  "user_id": 1000002
}