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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)).
forgejo-actions commented 2025-08-18 13:24:06 +00:00
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Partial Techtree

flowchart BT

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    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>"]
    6:::dependant
    6["<a href='https://git.fa-fo.de/fafo/techtree/issues/119' target='_blank'>#119</a> | MISSING<br/><i>Research</i><br/><b>Magneto-optical trap</b>"]
    1 --> 2
    4 --> 1
    0 --> 4
    0 --> 3
    0 --> 1
    5 --> 0
    6 --> 0

Digest: 89e622c8c477229e7e118be733cefb38746e8f0befb7ed193077d19abceec1dc; Last Updated: 2026-03-08 17:41:11

## Partial Techtree ```mermaid flowchart BT classDef eoi fill:#fff, stroke:#000, color:#000; classDef dependant fill:#fff, stroke:#888, color:#888; classDef ultimate fill:#fff, stroke:#000, color:#000; 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>"] 6:::dependant 6["<a href='https://git.fa-fo.de/fafo/techtree/issues/119' target='_blank'>#119</a> | MISSING<br/><i>Research</i><br/><b>Magneto-optical trap</b>"] 1 --> 2 4 --> 1 0 --> 4 0 --> 3 0 --> 1 5 --> 0 6 --> 0 ``` <small>Digest: 89e622c8c477229e7e118be733cefb38746e8f0befb7ed193077d19abceec1dc; Last Updated: 2026-03-08 17:41:11</small>
rahix changed title from Coherent Laser to Coherent Light Source 2025-08-18 13:30:01 +00:00
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#81 Interferometry
fafo/techtree
#119 Magneto-optical trap
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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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fafo/techtree#82
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