A diode-pumped continuous-wave Tm:YVO_[4]laser operating on the^[3]H_[4]→^[3]H_[5]and3F4→^[3]H_[6]transitions was demonstrated for the first time,to the best of our knowledge.An a-cut Tm:YVO_[4]crystal with 1.5%[ato...A diode-pumped continuous-wave Tm:YVO_[4]laser operating on the^[3]H_[4]→^[3]H_[5]and3F4→^[3]H_[6]transitions was demonstrated for the first time,to the best of our knowledge.An a-cut Tm:YVO_[4]crystal with 1.5%[atomic fraction]Tm3+ion concentration was used to characterize the laser behavior.A common commercial laser diode with a central wavelength of 790 nm and a bandwidth of 3.2 nm was utilized as a pump source.With an output coupler for the^[3]H_[4]→^[3]H_[5]and3F4→^[3]H_[6]transitions,simultaneous three-wavelength laser operation was achieved.The laser emissions at 2292 and 2363 nm inπ-polarization and at 2108 nm inσ-polarization were realized.With an incident pump power of 22 W,the total output power of 1.17 W at 2292,2363,and 2108 nm was obtained.The output power at 2292 and 2363 nm was measured to be 750 mW,and the output power at 2108 nm was measured to be 420 mW.展开更多
基金supported by the Fundamental Research Funds for the Central Universities and the National Natural Science Foundation of China(No.61378027)。
文摘A diode-pumped continuous-wave Tm:YVO_[4]laser operating on the^[3]H_[4]→^[3]H_[5]and3F4→^[3]H_[6]transitions was demonstrated for the first time,to the best of our knowledge.An a-cut Tm:YVO_[4]crystal with 1.5%[atomic fraction]Tm3+ion concentration was used to characterize the laser behavior.A common commercial laser diode with a central wavelength of 790 nm and a bandwidth of 3.2 nm was utilized as a pump source.With an output coupler for the^[3]H_[4]→^[3]H_[5]and3F4→^[3]H_[6]transitions,simultaneous three-wavelength laser operation was achieved.The laser emissions at 2292 and 2363 nm inπ-polarization and at 2108 nm inσ-polarization were realized.With an incident pump power of 22 W,the total output power of 1.17 W at 2292,2363,and 2108 nm was obtained.The output power at 2292 and 2363 nm was measured to be 750 mW,and the output power at 2108 nm was measured to be 420 mW.
