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Coherent Light Source #82

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opened 2025-08-18 13:23:58 +00:00 by rahix · 1 comment
rahix commented 2025-08-18 13:23:58 +00:00
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For metrology applications like interferometry (#81), we need a laser with narrow linewidth and low noise.

We are currently looking at diode lasers. In particular, for building an external cavity diode laser (ECDL, Wikipedia, Caltech Laserprimer).

For metrology applications like interferometry (#81), we need a laser with narrow linewidth and low noise. We are currently looking at diode lasers. In particular, for building an external cavity diode laser (ECDL, [Wikipedia](https://en.wikipedia.org/wiki/Laser_diode#External-cavity_diode_lasers), [Caltech Laserprimer](https://web.archive.org/web/20241202222445/http://hololaser.kwaoo.me/laser/lit/laserprimer.pdf)).
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forgejo-actions commented 2025-08-18 13:24:06 +00:00
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Partial Techtree

flowchart BT

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    classDef dependant fill:#fff, stroke:#888, color:#888;
    classDef dep_missing fill:#fcc, stroke:#800, color:#000;
    classDef dep_assigned fill:#ffa, stroke:#a50, color:#000;
    classDef dep_completed fill:#afa, stroke:#080, color:#000;
    0:::eoi
    0["<a href='https://git.fa-fo.de/fafo/techtree/issues/82' target='_blank'>#82</a> | MISSING<br/><i>Equipment</i><br/><b>Coherent Light Source</b>"]
    1:::dep_missing
    1["<a href='https://git.fa-fo.de/fafo/techtree/issues/87' target='_blank'>#87</a> | MISSING<br/><i>Equipment</i><br/><b>Diode Laser</b>"]
    2:::dep_assigned
    2["<a href='https://git.fa-fo.de/fafo/techtree/issues/85' target='_blank'>#85</a> | ASSIGNED<br/><i>Development</i><br/><b>Laser Diode Driver/Controller</b>"]
    3:::dep_missing
    3["<a href='https://git.fa-fo.de/fafo/techtree/issues/84' target='_blank'>#84</a> | MISSING<br/><i>Equipment</i><br/><b>Stabilized Helium-Neon Laser</b>"]
    4:::dep_missing
    4["<a href='https://git.fa-fo.de/fafo/techtree/issues/83' target='_blank'>#83</a> | MISSING<br/><i>Equipment</i><br/><b>External Cavity Diode Laser (ECDL)</b>"]
    5:::dependant
    5["<a href='https://git.fa-fo.de/fafo/techtree/issues/81' target='_blank'>#81</a> | MISSING<br/><i>Process</i><br/><b>Interferometry</b>"]
    1 --> 2
    4 --> 1
    0 --> 4
    0 --> 3
    0 --> 1
    5 --> 0

Digest: 2dc02ce651b86039c75cc15b3e57b24261d7e356095805e4fe41e013da04e08f; Last Updated: 2025-10-05 17:01:59

## Partial Techtree ```mermaid flowchart BT classDef eoi fill:#fff, stroke:#000, color:#000; classDef dependant fill:#fff, stroke:#888, color:#888; classDef dep_missing fill:#fcc, stroke:#800, color:#000; classDef dep_assigned fill:#ffa, stroke:#a50, color:#000; classDef dep_completed fill:#afa, stroke:#080, color:#000; 0:::eoi 0["<a href='https://git.fa-fo.de/fafo/techtree/issues/82' target='_blank'>#82</a> | MISSING<br/><i>Equipment</i><br/><b>Coherent Light Source</b>"] 1:::dep_missing 1["<a href='https://git.fa-fo.de/fafo/techtree/issues/87' target='_blank'>#87</a> | MISSING<br/><i>Equipment</i><br/><b>Diode Laser</b>"] 2:::dep_assigned 2["<a href='https://git.fa-fo.de/fafo/techtree/issues/85' target='_blank'>#85</a> | ASSIGNED<br/><i>Development</i><br/><b>Laser Diode Driver/Controller</b>"] 3:::dep_missing 3["<a href='https://git.fa-fo.de/fafo/techtree/issues/84' target='_blank'>#84</a> | MISSING<br/><i>Equipment</i><br/><b>Stabilized Helium-Neon Laser</b>"] 4:::dep_missing 4["<a href='https://git.fa-fo.de/fafo/techtree/issues/83' target='_blank'>#83</a> | MISSING<br/><i>Equipment</i><br/><b>External Cavity Diode Laser (ECDL)</b>"] 5:::dependant 5["<a href='https://git.fa-fo.de/fafo/techtree/issues/81' target='_blank'>#81</a> | MISSING<br/><i>Process</i><br/><b>Interferometry</b>"] 1 --> 2 4 --> 1 0 --> 4 0 --> 3 0 --> 1 5 --> 0 ``` <small>Digest: 2dc02ce651b86039c75cc15b3e57b24261d7e356095805e4fe41e013da04e08f; Last Updated: 2025-10-05 17:01:59</small>
rahix added a new dependency 2025-08-18 13:24:10 +00:00
#81 Interferometry
rahix changed title from Coherent Laser to Coherent Light Source 2025-08-18 13:30:01 +00:00
rahix added a new dependency 2025-08-18 13:30:08 +00:00
#83 External Cavity Diode Laser (ECDL)
rahix added a new dependency 2025-08-18 13:33:05 +00:00
#84 Stabilized Helium-Neon Laser
rahix added a new dependency 2025-08-18 14:03:16 +00:00
#87 Diode Laser
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#81 Interferometry
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#83 External Cavity Diode Laser (ECDL)
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#84 Stabilized Helium-Neon Laser
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#87 Diode Laser
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