What this source contributes.
The repository manuscript reports faster chamber optical recovery for selected acoustic frequencies. Abstract: 180→11 dB/km at 450 Hz in 7 min of acoustic action. Results/Fig. 5 describe an initial peak near 300 dB/km and a minimum of 8.5 dB/km after clearing; time and endpoint definitions remain unreconciled. Limit: Endpoints/time origins not reconciled. Unopened repeats accumulated humidity; vibration can perturb optics.
selected manuscript text and figures. Abstract; experimental setup and results on manuscript pp. 4–5; Figs. 2–5 inspected in rendered pages. PDF metadata checked. Journal-version text not compared. Abstract/result time origins and attenuation endpoints remain unreconciled. Review date: 2026-10-13. AI-assisted source check; not independent replication.
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Primary material consulted
This is a bounded reading note. It is not independent replication, a full systematic review or an endorsement of every conclusion in the paper.
Questions to take to the paper
- Which wet sizes contribute most to attenuation?
- Does a change persist after temperature, humidity and inlet conditions are accounted for?
- Is the measurement representative of the volume people need to see through?
A simulation, chamber result, field observation and operational outcome answer different questions. Record the comparator, measured quantity and conditions before carrying a result into a design.
Bibliographic provenance
Verified 2026-10-13 against the publisher-deposited Crossref metadata. Publication dates retain the precision supplied by the publisher. Metadata may reflect digital republication; it is not always the earliest historical publication date.