The effect of gain saturation on actively mode-locked laser pulses

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dc.contributor.advisorKim, Dae M.en_US
dc.contributor.committeeMemberRabson, Thomas A.en_US
dc.contributor.committeeMemberWilson, William L.en_US
dc.creatorLekkas, Panayotis C.en_US
dc.date.accessioned2018-12-18T21:25:12Zen_US
dc.date.available2018-12-18T21:25:12Zen_US
dc.date.issued1983en_US
dc.description.abstractThe goal of this thesis is to take into account the gain saturation that occurs within pulse duration for actively node-locked lasers and to discuss its effects on the generated pulses. The population inversion, obtained analytically using a perturbation scheme, has been found to vary considerably within pulse envelope. An assumingly Gaussian pulse has been followed along its round-trip in the laser cavity through the active medium and the modulator, and by incorporating the time-dependent gain for the first time in the analysis, self-consistency relations have been found. The resulting pulse characteristics* based on typical Nd:YAG laser parameters show a strong dependence of the output pulsewidths on the pump intensity. as well as of the interpulse spacing on the length of the active medium. The population inversion droped by two orders of magnitude within the duration of the incoming pulse and the extent of the depletion was increasing for increasing pump intensities. By varying the input field from 1 up to 1.5x1 V/m the pulsewidth was found to vary from 1.4 to 2.1 psec while the interpulse spacing jittered within 1.7 psec for variations of the length of the active medium from 1 cm to 5 cm.en_US
dc.format.digitalOriginreformatted digitalen_US
dc.format.extent114 ppen_US
dc.identifier.callnoTHESIS E.E. 1983 LEKKASen_US
dc.identifier.citationLekkas, Panayotis C.. "The effect of gain saturation on actively mode-locked laser pulses." (1983) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/104544">https://hdl.handle.net/1911/104544</a>.en_US
dc.identifier.digitalRICE2179en_US
dc.identifier.urihttps://hdl.handle.net/1911/104544en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.titleThe effect of gain saturation on actively mode-locked laser pulsesen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentElectrical Engineeringen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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