Abstract
We developed a cryogenically cooled Yb:YAG continuous wave oscillator directly pumped with a photonic crystal surface-emitting laser (PCSEL). A high slope efficiency of 65.7% was obtained at an output power of 208 mW. The beam quality was close to the diffraction limit, with in both directions. To the best of our knowledge, this is the first PCSEL pumped solid state laser to be developed.
© 2016 Optical Society of America
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