High power doubly resonant all-intracavity deep blue laser at 447 nm based on sum-frequency-mixing t

• 作 者: 于永吉 金光勇 王超 陈薪羽 郭家喜 王奕博
• 机 构: Institute of Laser Technology,School of Science,Changchun University of Science and Technology,
• 出 处: Chinese Optics Letters
• 发表日期: 2009年11期
• 关键词: resonant doubly mixing matching directions coated incident insensitive pumped ov

A high power continuous-wave deep blue laser at 447 nm is obtained by using a doubly cavity and a type Π critical phase matching KTP crystal for intracavity sum-frequency-mixing.With the incident pump power of 240 W for the Nd:YAP crystal and 120 W for the other Nd:YAP crystal,the deep blue laser output of 5.7 W at 447 nm with near fundamental mode is obtained,and the beam quality M 2 value equals 2.53 in both horizontal and vertical directions at the maximum output power.The power stability is better than 2% at the maximum output power during half an hour.The experimental results show that the intracavity sum-frequency mixing by doubly resonant is an effective method for high power blue laser.

A high power continuous-wave deep blue laser at 447 nm is obtained by using a doubly cavity and a type Π critical phase matching KTP crystal for intracavity sum-frequency-mixing. At the incident pump power of 240 W for the Nd: YAP crystal and 120 W for the other Nd: YAP crystal, the deep blue laser output of 5.7 W at 447 nm with near fundamental mode is obtained, and the beam quality M 2 value equals 2.53 in both horizontal and vertical directions at the maximum output power. The power stability is better than 2% at the maximum output power during half an hour. The experimental results show that the intracavity sum-frequency mixing by doubly resonant is an effective method for high power blue laser.