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Articles 121 - 122 of 122
Full-Text Articles in Plasma and Beam Physics
Continuous Wave And Pulsed Solid State Laser Model, Matthew D. Rotondaro
Continuous Wave And Pulsed Solid State Laser Model, Matthew D. Rotondaro
Theses and Dissertations
A solid state laser is modeled for use on a personal computer. The model can accurately represent Nd:YAG and Nd:Glass lasers during both continuous wave and repetitively pulsed operation. The large number of input variables allow the user to make changes to the cavity, optical pump source, and the cooling system. The model calculates the energy, power, and divergence angle of the beam along with other variables. Because of its user-friendly interface, it is possible for someone with limited laser experience to obtain useful information.
Lasing Conditions Of Elemental Sulfur In A Gas Discharge, David E. Egbert
Lasing Conditions Of Elemental Sulfur In A Gas Discharge, David E. Egbert
Theses and Dissertations
The partial pressures from heated sulfur crystals and helium, and sulfur and nitrogen required for ionic sulfur laser action in a gas discharge were determined. Previous work with sulfur lasers is reviewed and population inversion mechanisms are presented for the ionic sulfur laser lines. Possible excitation mechanisms are presented for both electron and ion or atomic collision excitation. Transition diagrams for all the known ionic sulfur laser transitions and an approximate potential energy curve for the diatomic sulfur molecule are presented. Laser action was achieved only when a spark gap pulser was used with a laser tube especially designed to …