The second fusion of laser and aerospace—an inspiration for high energy lasers

Fig. 2. Experimental setup of an Ar-based DPRGL in a plasma jet. The insets demonstrate the structure and picture of the plasma jet used in this experiment. Figure reproduced with permission from ref.⁵³, © 2022 Optica Publishing Group.

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Fig. 3. Envision from electric rocket-engine to future HELs.

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Table 1. Comparison for 1 MW-level GDLs and diode pumped gas lasers.
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Table 1. Comparison for 1 MW-level GDLs and diode pumped gas lasers.
Specific power (J/g) Mass flow rate (g/s) Gain volume (cm³)
Gas flow and chemical lasers 10¹–10² 10⁴–10⁵ 10⁵–10⁶
Diode pumped gas laser (DPAL and DPRGL) 10⁷ 10¹ 10²

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Xiaojun Xu, Rui Wang, Zining Yang. The second fusion of laser and aerospace—an inspiration for high energy lasers[J]. Opto-Electronic Advances, 2023, 6(6): 220113

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