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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Description/Abstract
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.
| Item Type: | Article |
|---|---|
| ISSNs: | 0950-0340 (print) 1362-3044 (electronic) |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering Q Science > QC Physics |
| Divisions: | University Structure - Pre August 2011 > Optoelectronics Research Centre |
| Item ID: | 78676 |
| Date Deposited: | 11 Mar 2010 |
| Last Modified: | 01 Jun 2011 13:15 |
| Contributors: | Clarkson, W.A. (Author) Hanna, D.C. (Author) |
| Date: | April 1989 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/78676 |
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