作者: Espen Lippert , Stephane Nicolas , Gunnar Arisholm , Knut Stenersen , Gunnar Rustad
DOI: 10.1364/AO.45.003839
关键词:
摘要: … We determined the beam quality by measuring the near- and far-field power distributions with … Nevertheless, the beam quality was M 2 < 1.1 in both directions. At maximum pump power, …