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Analysis of subsonic COIL performance with a magnetic modulation
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SYSNO ASEP 0359358 Druh ASEP C - Konferenční příspěvek (mezinárodní konf.) Zařazení RIV D - Článek ve sborníku Název Analysis of subsonic COIL performance with a magnetic modulation Tvůrce(i) Beránek, Jaroslav (FZU-D)
Rohlena, Karel (FZU-D) RIDZdroj.dok. Gas Flow, Chemical Lasers, and High-Power Lasers. - Bellingham : SPIE, 2009 / Vitar R. ; Conde O. ; Fajardo M. ; Silva L. O. ; Pires M. ; Utkin A. - ISSN 0277-786X - ISBN 9780819473653 Rozsah stran 713104/1-713104/6 Poč.str. 6 s. Akce International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers /17./ Datum konání 15.09.2008-19.09.2008 Místo konání Lisboa Země PT - Portugalsko Typ akce WRD Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova chemical lasers ; subsonic COIL ; magnetic modulation Vědní obor RIV BH - Optika, masery a lasery CEZ AV0Z10100523 - FZU-D (2005-2011) UT WOS 000285717000004 Anotace 1D subsonic COIL model with a mixing length was generalized to include the influence of a variable magnetic field on the stimulated emission cross-section. The results are compared with the measured pulse shape. Equations describing the chemical kinetics were combined with the gas temperature balance and also a simplified mixing model of oxygen and iodine molecules. A variable magnetic field transforms the CW regime in a pulsed operation. The advantage of the numerical procedure is a possibility to consider an arbitrary temporal dependence of the imposed magnetic field. The method was applied to the experimental data measured on the subsonic version of the COIL device in the Institute of Physics, Prague, where the applied magnetic field had a saw-tooth dependence. After a reasonable agreement of our model for the CW regime with the measured dependence of the laser output, the purpose of this contribution is to confront the magnetically switched regime with the measured pulse shape. Pracoviště Fyzikální ústav Kontakt Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579 Rok sběru 2012
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