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Document Description
Title
A
Brillouin
gain
spectrometer
and its
evaluation
by the
study
of
some
liquids
Author
Fan
,
Chunxia
Description
Thesis
(M.Sc.)--Memorial
University
of
Newfoundland
,
1994.
Physics
Date
1994
Pagination
viii, 68 leaves
Subject
Brillouin
scattering;
Spectrometer--Evaluation;
Liquids--Spectra
Degree
M.Sc.
Degree Grantor
Memorial University of Newfoundland. Dept. of Physics
Discipline
Physics
Language
eng
Notes
Bibliography:
leaves
65-68
Abstract
The
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.
Type
Text
Resource Type
Electronic
thesis
or
dissertation
Format
Image/jpeg;
Application/pdf
Source
Paper copy kept in the Centre for Newfoundland Studies, Memorial University Libraries
Local Identifier
76221227
Rights
The 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.
Collection
Electronic
Theses
and
Dissertations
Scanning Status
Completed
PDF File
(6.69
MB)
--
http://collections.mun.ca/PDFs/theses/Fan_Chunxia.pdf
CONTENTdm file name
139152.cpd
