Tunable high-power THz-wave radiation is achieved via a compact eudipleural THz-wave parametric oscillator.The maximum THz-wave output is 1.164 V at 1.755 THz when the pump energy is 90 mJ.In the experiments we find t...Tunable high-power THz-wave radiation is achieved via a compact eudipleural THz-wave parametric oscillator.The maximum THz-wave output is 1.164 V at 1.755 THz when the pump energy is 90 mJ.In the experiments we find that the maximum output of THz-wave moves to the high frequency band as the pump energy increases and this phenomenon is reasonably explained.The polarization characteristics of the THz-wave are analyzed.展开更多
High-power nanosecond pulsed THz-wave radiation is achieved via a surface-emitted THz-wave parametric oscillator.One MgO:LiNbO3 crystal with large volume is used as the gain medium.THz-wave radiation from 1.084 THz to...High-power nanosecond pulsed THz-wave radiation is achieved via a surface-emitted THz-wave parametric oscillator.One MgO:LiNbO3 crystal with large volume is used as the gain medium.THz-wave radiation from 1.084 THz to 2.654 THz is obtained.The maximum THz-wave average power is 5.8W at 1.93 THz when the pump energy is 84 mJ,corresponding to a energy conversion efficiency of 6.9×10^(−6).The polarization characteristics of THz wave are analyzed.During the experiments the radiations of the first-order and the second-order Stokes wave are observed.展开更多
基金by the National Basic Research Program of China under Grant No 2007CB310403the National Natural Science Foundation of China under Grant No 60801017.
文摘Tunable high-power THz-wave radiation is achieved via a compact eudipleural THz-wave parametric oscillator.The maximum THz-wave output is 1.164 V at 1.755 THz when the pump energy is 90 mJ.In the experiments we find that the maximum output of THz-wave moves to the high frequency band as the pump energy increases and this phenomenon is reasonably explained.The polarization characteristics of the THz-wave are analyzed.
基金by the National Basic Research Program of China under Grant No 2007CB310403the National Natural Science Foundation of China under Grant No 60801017.
文摘High-power nanosecond pulsed THz-wave radiation is achieved via a surface-emitted THz-wave parametric oscillator.One MgO:LiNbO3 crystal with large volume is used as the gain medium.THz-wave radiation from 1.084 THz to 2.654 THz is obtained.The maximum THz-wave average power is 5.8W at 1.93 THz when the pump energy is 84 mJ,corresponding to a energy conversion efficiency of 6.9×10^(−6).The polarization characteristics of THz wave are analyzed.During the experiments the radiations of the first-order and the second-order Stokes wave are observed.
