Extension of the operating period of an UV Cuthinsp;IIlaser by admixture of argon

摘要

The operating period of an UV Cu II laser (discharge current gsim;25 A, duty cycle 6:1) is extended from minutes to over one hour by an admixture of 0.1percnt; argon to the neon pump gas. In addition, a new laser line at 270.1 nm has been observed.