Comparative performance of ASE suppressed ceramic Yb:YAG thin disks

David Bossert; Petras Avizonis; Alexander Killi

doi:10.1117/12.845212

17 February 2010 Comparative performance of ASE suppressed ceramic Yb:YAG thin disks

David Bossert, Petras Avizonis, Alexander Killi

Proceedings Volume 7578, Solid State Lasers XIX: Technology and Devices; 75780G (2010) https://doi.org/10.1117/12.845212
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

We report on the results of an experimental and theoretical investigation of the relevant performance attributes of Yb:YAG thin disk gain elements for use in high brightness resonators. We compare the laser operation, under extremely high pump and laser power densities, of crystalline thin disks to ceramic disks with undoped, amplified spontaneous emission (ASE) suppressing caps. The disks were operated with impingement cooling either directly on the back (high reflecting) surface or on heat spreaders. Although high optical efficiency was generally maintained, we found a marked difference in both the strength of ASE and the thermo-optical performance of the disks.

Citation Download Citation

David Bossert, Petras Avizonis, and Alexander Killi "Comparative performance of ASE suppressed ceramic Yb:YAG thin disks", Proc. SPIE 7578, Solid State Lasers XIX: Technology and Devices, 75780G (17 February 2010); https://doi.org/10.1117/12.845212

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