光程差参数 meaning in English
referece opd
Examples
- It is widely used to measure optical element , optical system , detection of optical surface and the physical quantities ( such as field of temperature , field of density ) related with optical path difference . the underlying measurement principle of psi is to determine the phase of the intensity signal in interferogram received at each pixel of an imaging device
移相干涉术( psi )作为快速、非接触的精密测量手段，已经广泛地应用于光学零件、光学系统、精密表面检测和其它一些与光程差参数相关的物理量的测量(如温度场、密度场等) 。