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Multiwavelength erbium-ytterbium co-doped fiber laser / by Mansour Dastmalchi.

dc.contributor.advisorDas, Gautam
dc.contributor.authorDastmalchi, Mansour
dc.date.accessioned2017-06-08T13:20:53Z
dc.date.available2017-06-08T13:20:53Z
dc.date.created2007
dc.date.issued2007
dc.identifier.urihttp://knowledgecommons.lakeheadu.ca/handle/2453/3728
dc.description.abstractA fiber ring laser, using erbium-ytterbium co-doped double clad fiber is proposed and demonstrated to produce a medium power multiwavelength fiber laser. The experimental results show that the ring resonator configuration can produce more output power compared to a laser based on bidirectional pumping scheme in Fabry-Perot resonator configuration. To stabilize the lasing lines we used an unpumped erbium doped fiber as saturable absorber. A sagnac loop interferometer is used as a filter inside the cavity and its effect has been explored. We can produce a maximum four lasing lines which are stable for more than 2 hours when observed through OSA with a resolution of 0.05 run. The maximum output power obtained from the laser is more than 100 mW. Our best result at room temperature is simultaneous oscillations of two single-mode laser wavelengths with a maximum output power of 60 mW when observed through a scanning Fabry-Perot spectrum analyzer of resolution 27 MHz.
dc.language.isoen_US
dc.subjectLasers
dc.subjectOptical fibers
dc.subjectNonlinear optics
dc.titleMultiwavelength erbium-ytterbium co-doped fiber laser / by Mansour Dastmalchi.
dc.typeThesis
etd.degree.nameM.Sc.
etd.degree.levelMaster
etd.degree.disciplinePhysics
etd.degree.grantorLakehead University


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