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written by Dr James E. Parks
Remote temperature measurements can be made by measuring the lifetimes of fluorescence of light emitted by a phosphor excited with pulsed ultraviolet light. The technique was first used to measure the temperature of the rotator of a centrifuge used to separate isotopes of uranium while it was spinning at an ultrahigh angular velocity. This experiment is a study of the principles involved and measurements are made of the lifetimes of a light from a phosphor as a function of temperature to establish a calibration function. While the initial measurement techniques involved a pulsed nitrogen laser, this experiment uses a newly developed and affordable apparatus that uses a pulsed ultraviolet LED for the measurement. Lifetimes on the order of 1 to 50 ┬Ásec are determined.

Presented at the 2013 AAPT Summer Meeting
in Portland, Oregon.
W36: Advanced Labs Workshop
Subjects Lab Level Resource Types
Modern Physics
- Atomic Physics
- Advanced Undergraduate
- Instructional Material
= Instructor Guide/Manual
= Laboratory
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Format:
application/pdf
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Free access
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© 2013 James Edgar Parks
Keywords:
Data Analysis, Lifetime Measurement, Oscilloscope use, Temperature Measurement
Record Creator:
Metadata instance created July 9, 2013 by Ramon Torres-Isea
Record Updated:
July 9, 2013 by Ramon Torres-Isea
Last Update
when Cataloged:
July 9, 2013
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Record Link
AIP Format
J. Parks, (2013), WWW Document, (http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12914&DocID=3473).
AJP/PRST-PER
J. Parks, Temperature Dependent Lifetime Measurements of Fluorescence from a Phosphor (2013), <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12914&DocID=3473>.
APA Format
Parks, J. (2013, July 9). Temperature Dependent Lifetime Measurements of Fluorescence from a Phosphor. Retrieved September 2, 2014, from http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12914&DocID=3473
Chicago Format
Parks, James E.. Temperature Dependent Lifetime Measurements of Fluorescence from a Phosphor. July 9, 2013. http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12914&DocID=3473 (accessed 2 September 2014).
MLA Format
Parks, James E.. Temperature Dependent Lifetime Measurements of Fluorescence from a Phosphor. 2013. 9 July 2013. 2 Sep. 2014 <http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12914&DocID=3473>.
BibTeX Export Format
@misc{ Author = "James E. Parks", Title = {Temperature Dependent Lifetime Measurements of Fluorescence from a Phosphor}, Volume = {2014}, Number = {2 September 2014}, Month = {July 9, 2013}, Year = {2013} }
Refer Export Format

%A James E. Parks
%T Temperature Dependent Lifetime Measurements of Fluorescence from a Phosphor
%D July 9, 2013
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12914&DocID=3473
%O application/pdf

EndNote Export Format

%0 Electronic Source
%A Parks, James E.
%D July 9, 2013
%T Temperature Dependent Lifetime Measurements of Fluorescence from a Phosphor
%V 2014
%N 2 September 2014
%8 July 9, 2013
%9 application/pdf
%U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=12914&DocID=3473


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