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optical depth

natural logarithm of the ratio of incident to transmitted radiant power through a material; the absorbance × ln(10)
Thing general Q890809
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optical depth

Summary

optical depth ranks in the top 2% of general entities by monthly Wikipedia readership (115 views/month).[1]

Key Facts

  • optical depth's subclass of is recorded as dimensionless quantity[2].
  • optical depth's Freebase ID is recorded as /m/09qmq[3].
  • optical depth's Encyclopædia Britannica Online ID is recorded as science/optical-depth[4].
  • optical depth's Quora topic ID is recorded as Optical-Depth[5].
  • optical depth's JSTOR topic ID is recorded as optical-thickness[6].
  • optical depth's ISQ dimension is recorded as 1[7].
  • optical depth's Microsoft Academic ID is recorded as 27896171[8].
  • optical depth's Wolfram Language quantity ID is recorded as OpticalDepth[9].
  • optical depth's OpenAlex ID is recorded as C27896171[10].
  • optical depth's Great Russian Encyclopedia portal ID is recorded as opticheskaia-tolshcha-1e7096[11].

Why It Matters

optical depth ranks in the top 2% of general entities by monthly Wikipedia readership (115 views/month).[1] It has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[12] It is known by 8 alternative names across languages and contexts.[13]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . Freebase Data Dumps. wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . Quora. wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . OpenAlex. Retrieved . docs.openalex.org. Provenance: wikidata.org.
  10. [11] ↑ . wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [12] ↑ . Wikidata sitelinks. wikidata.org.
  3. [13] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). optical depth. Retrieved April 10, 2026, from https://4ort.xyz/entity/optical-depth
MLA “optical depth.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/optical-depth.
BibTeX @misc{4ortxyz_optical-depth_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{optical depth}}, year = {2026}, url = {https://4ort.xyz/entity/optical-depth}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): optical depth — https://4ort.xyz/entity/optical-depth (retrieved 2026-04-10)

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