Abstract
Abstract The effects of laser pulse characteristics and thermal desorption parameters on laser induced thermal desorption (LITD) are determined. The LITD is calculated for model first and second order desorption systems with laser pulses that are Gaussian in space and time. The desorption yields and coverage profiles generated by LITD are shown to be sensitively dependent on laser pulse characteristics and thermal desorption kinetics. The calculations also reveal that the desorption flux generated by LITD possesses a distribution of desorption temperatures. In addition, the relationships between the laser pulselength, the peak temperature reached on the surface, and the desorption activation energy are determined.
Published Version
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