Abstract
To overcome the low efficiency of traditional pyrotechnic solid-state laser energy conversion, we design a dust cloud pyrotechnic-pumped Nd :YAG laser based on the thermal radiation model and Lambert–Beer law, which effectively addresses the issue of self-absorption during the combustion of traditional pyrotechnic compositions. Therefore, the laser output energy increases significantly. A laser energy of 2.15 J with a pulse width of 50 ms is achieved using 150 mg KClO4/Zr/Al in this work. The energy-to-mass ratio reaches 14.34 J/g. Compared with the traditional pyrotechnic solid-state laser, the Nd :YAG laser pumped by a dust cloud showed a lower light threshold, higher energy efficiency, higher saturation limit, and better safety. In this work, we presents a novel and feasible solution for the development of compact and safe high-energy lasers.
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Jiang, W., Zheng, C., Ye, C. et al. High-Energy Nd :YAG Laser Technology Based on Dust-Cloud Pyrotechnic Pumping. J Russ Laser Res 44, 392–398 (2023). https://doi.org/10.1007/s10946-023-10146-6
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DOI: https://doi.org/10.1007/s10946-023-10146-6