【摘 要】
:
在体波光纤声光器件中使用了电光效应,制作出一种新型的体波光纤声电光调制器.这种器件附加了一个信息输入端口,使得器件在使用中更具有灵活性.并且可以使器件的中心频率通过
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在体波光纤声光器件中使用了电光效应,制作出一种新型的体波光纤声电光调制器.这种器件附加了一个信息输入端口,使得器件在使用中更具有灵活性.并且可以使器件的中心频率通过所加的直流电压来改变,该器件在光纤通信领域内有应用前景.该文从声光效应的耦合波方程出发,给出了声电光衍射效率的计算公式,并用铌酸锂晶体设计制作了体波光纤声电光调制器进行验证,测试了其相对衍射效率分别随电信号功率和直流电压变化的曲线,实验结果和理论相符.
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