dc.contributor.advisor | Lysiak, Richard J. | |
dc.contributor.author | Wang, Vincent C. | en_US |
dc.date.accessioned | 2019-10-11T15:11:14Z | |
dc.date.available | 2019-10-11T15:11:14Z | |
dc.date.created | 1988 | en_US |
dc.date.issued | 1988 | en_US |
dc.identifier | aleph-254512 | en_US |
dc.identifier.uri | https://repository.tcu.edu/handle/116099117/34204 | |
dc.description.abstract | This dissertation investigates mechanisms associated with very low and high power optical phase conjugation. The first part is a study of low power wave-front reconstructions produced by the surface reshaping through spatially nonuniform thermal expansion of an absorbing epoxy resin with a pump power in milliwatt range. A simple thermodynamic model is used to compare with the experimental data. The feasibilities and the limitations of this process in general real-time holographic applications are discussed. The second part is a study of high power OPC with a speckled pump beam in megawatt range. The experimental results show that self-focusing occurs at the onset of stimulated backscattering for focused speckled pump beams in CS$\sb2$. This implies a cooperative self-focusing effect within the speckled field. At regions beyond saturation, the compressibility of a liquid is limiting effect rather than beam depletion. A theoretical model which incorporates the nonlinear compressibility of a liquid at saturation region is developed. This theoretical model is in good agreement with the experimental data. Whereas Zel'dovich's theoretical model, which only includes the effect of pump depletion, predicts a result which is in an order of magnitude higher than the experimental measurements at regions beyond saturation. | |
dc.format.extent | x, 106 leaves : illustrations | en_US |
dc.format.medium | Format: Print | en_US |
dc.language.iso | eng | en_US |
dc.relation.ispartof | Texas Christian University dissertation | en_US |
dc.relation.ispartof | AS38.W3687 | en_US |
dc.subject.lcsh | Optical phase conjugation | en_US |
dc.title | Studies of low power and high power optical phase conjugation | en_US |
dc.type | Text | en_US |
etd.degree.department | Department of Physics | |
etd.degree.level | Doctoral | |
local.college | College of Science and Engineering | |
local.department | Physics and Astronomy | |
local.academicunit | Department of Physics | |
dc.type.genre | Dissertation | |
local.subjectarea | Physics and Astronomy | |
dc.identifier.callnumber | Main Stacks: AS38 .W3687 (Regular Loan) | |
dc.identifier.callnumber | Special Collections: AS38 .W3687 (Non-Circulating) | |
etd.degree.name | Doctor of Philosophy | |
etd.degree.grantor | Texas Christian University | |