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dc.contributor.authorBräul, Hans.en_US
dc.date.accessioned2009-07-09T17:31:55Z
dc.date.available2009-07-09T17:31:55Z
dc.date.issued1979-07-09T17:31:55Z
dc.identifier.urihttp://hdl.handle.net/10464/1790
dc.description.abstractThe assembly and testing of apparatus for the measurement of elastic and photoelastic constants by Brillouin scattering, using a Fabry-Perot interferometer and with argon ion laser excitation is described. Such measurements are performed on NaCI, KBr and LiF using the A = 488.0 nm laser line. The elastic constants obtained here are in very good agreement with the ultrasonic data for all three materials. The discrepancy between ultrasonic and hypersonic sound velocities which was reported by some authors for KBr and LiF is not confirmed, and the elastic constants obtained for LiF are the most accurate to date. Also, the present photoelastic constants are in good agreement with the data obtained by ultrasonic techniques for all three crystals. The results for the KBr and LiF crystals constitute the first set of photoelastic constants obtained for these materials by Brillouin spectroscopy. Our results for LiF are the best available to date.en_US
dc.language.isoengen_US
dc.publisherBrock Universityen_US
dc.subjectBrillouin scattering.en_US
dc.subjectCrystals.en_US
dc.subjectHalides.en_US
dc.titleBrillouin spectroscopy : measurement of elastic and photoelastic constants of some alkali holide crystalsen_US
dc.typeElectronic Thesis or Dissertationen
dc.degree.nameM.Sc. Physicsen_US
dc.degree.levelMastersen_US
dc.contributor.departmentDepartment of Physicsen_US
dc.degree.disciplineFaculty of Mathematics and Scienceen_US
refterms.dateFOA2021-07-16T11:35:25Z


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