氩激光腔外倍频

The performance of the ADP crystal for extracavity 90°C phase-matched SHG of Ar+ lasers is reported. The phase-matching temperature was -11.61°C, and the efficiency 3.2%. The SHG power of 5.8 mw was obtained at the fundamental power of 1.8 w. The fluctuation of SH power was less than 5% during one hou