电光调制实验中半波电压的测量.pdfVIP

第27卷第3期 光　电　子　技　术 Vo l. 27 No. 3 　 　　　　　 2007 年9 月 OPT OELECT RON C T ECHNOL OGY Sept . 2007 电光调制实验中半波电压的测量 1 1 1 2 1 孙　鉴, 牟海维 , 刘世清, 李玉洋 , 张　雨 ( 1. , , 163318; 2. , , 1637 12) : 半波电压是表征电光调制时电压对相位差影响 小的 一个非常重要的物理量。根 据其物理意义, 介绍了三种测量方法: 光通信模拟法、极值测量法、倍频调制法。具体介绍三种方 法的测量原理和操作过程, 把测量值与理论值进行比较, 并对三种方法的测量结果进行对比讨 论。最后介绍了电光开关的 一种应用。 : 半波电压; 光通信模拟法; 极值测量法; 倍频调制法 : O4-34 : A : 1005-4 88X( 2007) 03-0212-04 - - Measurement of Half wav e Voltage in Elect ro opt ic Modulat ion Experiment 1 1 1 2 1 , - , - , - , SUN Jian MOU Hai wei L U Shi qing L Yu yang ZHA NG Yu ( 1. College of Electronics , D aqing P etroleum I nsit ute , D aqing H eilongj iang 163318, CH N ; 2. Bus Comp any Western B ranches, D aqing P etroleum A dministration B ureau, D aqing H eilongj iang 163712, CH N ) Abstract: Half -w ave volt age is an im port ant physical quant ity which is t he t oken of t he influences of volt ag e up on the phasic diff erence. According t o phy sical sig nif icat ion, three m etrical m et hods are in- tr oduced: optical co mmunicatio n st im ul ant met hod, ex tremal m easure m et hod and f requency doubling modulation m et hod. T he m etrical t heor y and o perat io nal process are introduced concret ely. Com parison betw een t he metr ical value and t heoretic value is carried o ut , and t he measur ing resul