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Multi-walled Carbon Nanotubes Saturable Absorber In Q-switching Flashlamp Pumped Nd:yag Laser
Journal
Optics & LaserTechnology
Date Issued
2016
Author(s)
Nur Athirah Mohd Taib
Noriah Bidin
Hazlihan Haris
Nurul Nadia Adnan
M. Fakaruddin Sidi Ahmad
Sulaiman Wadi Harun
DOI
https://doi.org/10.1016/j.optlastec.2015.11.014
Abstract
Passively Q-switched Nd:YAG laser pumped by flashlamp is demonstrated by using a saturable absorber made of a multi-walled carbon nanotubes-polyethylene oxide (MWCNTs-PEO) film. Two positions of the film are tested in the resonator to optimize its performance. The maximum pulsed energy obtained for the Q-switching operation is 1.68 mJ corresponding to 88.36 J electrical pump energy. The pulse duration of 83.64 ns is achieved with a peak power of 20.1 kW. A MWCNTs-PEO-film is a promising saturable absorber because of its simple cavity design, reliable and low cost fabrication compared to normal nonlinear crystal absorber.
Subjects