Author/Authors :
POURMAND, EBRAHIM Universiti Teknologi Malaysia - Faculty of Science, Nanotechnology Research Alliance - Laser Research Group, Malaysia , BIDIN, NORIAH Universiti Teknologi Malaysia - Faculty of Science, Nanotechnology Research Alliance - Laser Research Group, Malaysia , BAHKTIAR, HAZRI Universiti Teknologi Malaysia - Faculty of Science, Nanotechnology Research Alliance - Laser Research Group, Malaysia , AHMAD, MUHAMMAD FAKARUDIN SIDI Universiti Teknologi Malaysia - Faculty of Science, Nanotechnology Research Alliance - Laser Research Group, Malaysia
Abstract :
Laser transition at 946 nm from flashlamp pumped Nd:YAG crystal is investigated. The fluorescence radiation induced after pumping is observed via spectrometer. The spectra comprised of absorption and emission lines. The optimum absorption fluorescence is found to be at thermal boosted line of 882 nm. This is an indicator of less heat generation involve in the laser transition. This is confirmed by the generation quasi three level transition at 946 nm. The stimulated emission cross section of 946 nm is estimated to be three times greater than that reported by previous researcher.
Keywords :
Quasi three level laser , thermal boosted line , four level laser transition , Nd:YAG , flashlamp , cross section
