PRADO, FELIPE M.FAULIM, GUSTAVO D.C.ZAMARIOLLI, LUIS F.R.SOUZA, PEDRO M. deWETTER, NIKLAUS U.SILVA, SIDNEY L. da2026-03-132026-03-13PRADO, FELIPE M.; FAULIM, GUSTAVO D.C.; ZAMARIOLLI, LUIS F.R.; SOUZA, PEDRO M. de; WETTER, NIKLAUS U.; SILVA, SIDNEY L. da. Comparison of soil samples with different clay, sand, and silt contents using speckle interferometry. In: SBFoton International Optics and Photonics Conference (SBFoton IOPC), September 21-24, 2025, São Pedro, SP. <b>Proceedings...</b> Piscataway, Nova Jersey: IEEE, 2025. DOI: <a href="https://dx.doi.org/10.1109/SBFotonIOPC66433.2025.11218584">10.1109/SBFotonIOPC66433.2025.11218584</a>. Disponível em: https://repositorio.ipen.br/handle/123456789/49449.https://repositorio.ipen.br/handle/123456789/49449This study contrasts the Speckle intensity curves of soil samples with clay and sand. The technique used was Speckle interferometry and the analysis was the computational method based on the Time History Speckle Pattern, THSP, and Error Theory.engopenAccessTexto completo de evento10.1109/SBFotonIOPC66433.2025.11218584https://orcid.org/0000-0002-9379-9530