Light section
optical 3D measurement of a height profile along a projected line of light

The light section is a technology for optical 3D measurement, which makes the measurement of a height profile along a projected line of light. It is based on the principle of triangulation.
Begin with the source’s own compact description: “Light section” is optical 3D measurement of a height profile along a projected line of light. The dossier treats that line as a proposition to test through Light, section and optical, not as a finished interpretation.
Why this record matters
The phrase “optical 3D measurement of a height profile along a projected line of light” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jul 9, 2025. The linked authority identifier is Q1823498.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
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- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Light section”, its source revision and the description used here.
- Expand the search: follow Light section primary sources, Light section archive and Light research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
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This entry incorporates text from “Light section” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.