Employing large surface-area-to-volume ratio gain, thin-disk lasers have shown great potential in power scaling. But thermal management for these devices is still challenging. One possible approach is to balance the heat load generated by the lasing process with cooling power from the anti-Stokes cooling process, forming radiation balanced lasers (RBLs). Compared to bulk RBLs, thin-disk RBLs can be better thermally balanced with reduced thermal gradients, promising higher output power and better beam quality. In this paper, we analyze and investigate radiation balanced disk lasers with Yb:YAG and Yb:YLF crystals in different pumping configurations.
Zhou Yang, Alexander R. Albrecht, Junwei Meng, and Mansoor Sheik-Bahae, "Investigation of radiation-balanced disk lasers," Proc. SPIE 10550, Optical and Electronic Cooling of Solids III, 105500B (Presented at SPIE OPTO: January 31, 2018; Published: 22 February 2018); https://doi.org/10.1117/12.2292264.
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