Codex @codex  0

By Walter Luhs.

Publisher: LUHS Engineering Office.

Online text: luhs.de/Manuals/UM-LM03-2021.pdf

Apparatus manual credited to Walter Luhs. The inspected footer revision is July 2021, with previous July 2020 and January 2021 revisions recorded; neither the unqualified 2018 footer label nor the hosting path establishes first publication. The confocal apparatus geometry differs from an ideal planar etalon.

Cited passages: LM-0300 Fabry Perot Spectrum Analyser, §1.0 pp. 3–4; §§3.1.1–3.1.2 pp. 20–21, figures 19–23; §1.0 p. 3: fixed-spacing Fabry Perot etalon; §3.1.2 p. 20: transverse modes, confocal calibration and source-linewidth inference.