Effects of transverse mode profile on slope efficiency and relaxation oscillations in a longitudinally pumped laser
Clarkson, W.A. and Hanna, D.C. (1989) Effects of transverse mode profile on slope efficiency and relaxation oscillations in a longitudinally pumped laser. Journal of Modern Optics, 36, (4), 483-498. (doi:10.1080/09500348914550561).
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Measurement of relaxation oscillation frequency can provide a convenient means for measurement of laser resonator losses. Expressions are derived which take account of the effect of non-uniform pump and laser beam profile on relaxation oscillation frequency and slope efficiency for a longitudinally-pumped four-level laser. Significant departures from plane-wave calculations are found. It is also shown that by combining a measurement of slope efficiency and relaxation oscillation frequency, the loss can be deduced without detailed knowledge of the pump beam profile. Experimental results supporting these calculations are described.
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||01 Jun 2011 13:15|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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