High-efficient diode-pumped actively Q-switched Nd:YAG/KTP Raman laser at 1096 nm wavelength

With Nd:YAG as the gain medium and KTP crystal as the Raman medium, the characteristics of an LD pumped intracavity actively Q-switched Nd:YAG/KTP Raman laser at 1096nm wavelength were studied. The output characteristics of 1096nm were investigated. At a pulse repetition rate of 30kHz an average power up to 1.97W was obtained with the incident pump power of 11.75W, corresponding to a diode-to-Stokes conversion efficiency of 16.8%.