# Measurement of Variations in Gas Refractive Index with 10<sup>–9</sup> Resolution Using Laser Speckle

> Research article (ACS Photonics, 2022) · cited 14× · AI/ML

**Wikidata**: [openalex:W3197908628](https://www.wikidata.org/wiki/openalex:W3197908628)  
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