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Memorial University - Electronic Theses and Dissertations 3
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Document Description
TitleA Brillouin gain spectrometer and its evaluation by the study of some liquids
AuthorFan, Chunxia
DescriptionThesis (M.Sc.)--Memorial University of Newfoundland, 1994. Physics
Date1994
Paginationviii, 68 leaves
SubjectBrillouin scattering; Spectrometer--Evaluation; Liquids--Spectra
DegreeM.Sc.
Degree GrantorMemorial University of Newfoundland. Dept. of Physics
DisciplinePhysics
Languageeng
NotesBibliography: leaves 65-68
AbstractThe construction and testing of a Brillouin gain spectrometer is discussed. The spectrometer employs a high power (150 mW) tunable dye laser and a low power (1.7 mW) stabilized HeNe laser in a pump-probe arrangement Because of the small signal gain (1 x 10-5), several noise reduction schemes were used to enhance the signal to noise ratio. The spectrometer was evaluated by studying the strongly scattering liquid CS2 and the weakly scattering liquid CC14. Brillouin shifts and linewidths were accurately determined for both liquids. The high resolution of this instrument permitted measurement of the small asymmetry in the measured lineshapes. In CC14 we were able to observe the so-called Mountain mode and to confirm that CC14 can be modeled as a liquid exhibiting a single relaxation time.
TypeText
Resource TypeElectronic thesis or dissertation
FormatImage/jpeg; Application/pdf
SourcePaper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries
Local Identifier76221227
RightsThe author retains copyright ownership and moral rights in this thesis. Neither the thesis nor substantial extracts from it may be printed or otherwise reproduced without the author's permission.
CollectionElectronic Theses and Dissertations
Scanning StatusCompleted
PDF File(6.69 MB) -- http://collections.mun.ca/PDFs/theses/Fan_Chunxia.pdf
CONTENTdm file name139152.cpd