It is shown that laser irradiation increases the amount of desorbed matter not only by increasing the number of pulses, but also due to an additional warming of a substrate. The use of frequency mode smoothens peculiar properties of the desorption process for all explosives and substrates used. The typical desorbed amount ranges from 95 ng to 7900 ng for 10-second irradiation of the samples used.
The developed laser can be applied in ion mobility spectrometry, IMS-based detectors of explosives to increase the distance of sampling. It has a mass of less than 2kg.