Abstract

Quantifying the structural dynamics of complex media is challenging because of the multiple temporal and spatial scales involved. Thanks to the ability to retrieve collective dynamics noninvasively, light scattering-based approaches are often the methods of choice. This dissertation discusses specific features of dynamic light scattering that utilizes spatio-temporal coherence gating. It is demonstrated that this optical fiber-based approach can operate over a large range of optical regimes and it has a number of unique capabilities such as an effective isolation of single scattering, a large sensitivity, and a high collection efficiency. Moreover, the approach also provides means for proper ensemble averaging, which is necessary when characterizing multi-scale dynamics. A number of applications are reviewed in which these specific characteristics permit recovering dynamic information of complex fluids beyond the capabilities of traditional light scattering-based techniques.

Notes

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Graduation Date

2019

Semester

Fall

Advisor

Dogariu, Aristide

Degree

Doctor of Philosophy (Ph.D.)

College

College of Optics and Photonics

Department

Optics and Photonics

Degree Program

Optics and Photonics

Format

application/pdf

Identifier

CFE0008277; DP0023648

Language

English

Release Date

June 2020

Length of Campus-only Access

None

Access Status

Doctoral Dissertation (Open Access)

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