上海光机所首批铌酸锂transducer样本测试结果
上海光机所首批铌酸锂transducer样本测试结果:图1. 20 MHz S波信号![](./W020230216394564609212.jpg)
图2. 30 MHz P波信号
![](./W020230216394564646980.jpg)
图3-7. 20-40 MHz P波和S波信号全览(递增5MHz)
![](./W020230216394564672309.jpg)
![](./W020230216394564707814.jpg)
![](./W020230216394564732359.jpg)
![](./W020230216394564760432.jpg)
![](./W020230216394564795481.jpg)
图8. 碳化钨压砧(8mm)transducer粘接
![](./W020230216394564810947.jpg)
图9. 上海光机所首批铌酸锂transducer样本
![](./W020230216394564831393.jpg)
P波信号可用频率范围 30-35 MHz(参考)
S波信号可用频率范围 20-25 MHz(参考)
特征频率及信号强度(使用前置放大器)
S波 20MHz 6Vpp
P波 30MHz 5Vpp