30 December 1981 Temporal Shaping Of Nanosecond CO2 Laser Pulses In Multiphoton Saturable Absorbers
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Proceedings Volume 0288, Los Alamos Conf on Optics '81; (1981) https://doi.org/10.1117/12.932041
Event: Los Alamos Conference on Optics, 1981, Los Alamos, United States
We report experimental observations of temporal pulse-shape distortion in 1.7 ns 10.6-μm laser pulses passing through the multiphoton saturable absorber SF6 and an SF6-based fluorocarbon mixture. The observed effects include a lengthened risetime, delays in peak onset times, and a decrease in the pulse falltime which tends to symmetrize an input triangular pulse. The pulse-shaping effects are seen over a wide range of wavelengths, fluences and gas pressures. Qualitatively similar effects are predicted by a two-level saturable absorber model in an appropriate parameter space.
© (1981) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
R. F. Haglund, R. F. Haglund, } "Temporal Shaping Of Nanosecond CO2 Laser Pulses In Multiphoton Saturable Absorbers", Proc. SPIE 0288, Los Alamos Conf on Optics '81, (30 December 1981); doi: 10.1117/12.932041; https://doi.org/10.1117/12.932041


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