IEC/PAS 62593:2008(E)给出了适用于无线通信和广播系统中的Mach-Zehnder光调制器的半波长电压的测量方法。此外，该方法对于Mach-Zehnder光调制器互调失真的估计也是有效的。 -频率范围:10MHz至30GHz。 -波长波段:0.8 μ m、1.0 μ m、1.3 μ m和1.5 μ m。 -基于电光材料的Mach-Zehnder光调制器及其模块。

IEC/PAS 62593:2008(E) gives a measurement method of half-wavelength voltage applicable to Mach-Zehnder optical modulators in wireless communication and broadcasting systems. In addition, this method is also effective for the estimation of the intermodulation distortion of Mach-Zehnder optical modulators.
- Frequency range: 10 MHz to 30 GHz.
- Wavelength band: 0,8 μm, 1,0 μm, 1,3 μm and 1,5 μm.
- Electro-optic material based Mach-Zehnder optical modulators and their modules.