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Assessment of Transitions in Iodine Induced by an Orange and a Red Laser
Umeå University, Faculty of Science and Technology, Department of Physics.
2017 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

In this thesis, we construct a laser-induced fluorescence (LIF) system around a He-Ne orange laser with a wavelength of 632.8404 nm and a red laser with a wavelength of 612.0295 nm for detection of fluorescence of iodine. Simulating all the possible absorption transition in iodine, we obtain the possible energy levels of the ground X1Σg+  and excited states B3Π0u+. In particular,simulating the corresponding fluorescence emission spectrum and comparing to the calibration spectrum obtained from the experiment, we find that the transition R(78)12←6 iodine excited by the red laser can be well suited for the calibration fluorescence spectrum obtained from the experiment. And for the orange laser, the exact transition from the X1Σg+ to the B3Π0u+ states follows P(44)9←2 .

Place, publisher, year, edition, pages
2017.
National Category
Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:umu:diva-141938OAI: oai:DiVA.org:umu-141938DiVA, id: diva2:1157891
Subject / course
Fysik C - Examensarbete
Available from: 2017-11-17 Created: 2017-11-16 Last updated: 2017-11-17Bibliographically approved

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