Satozono Hiroshi
Opt Lett. 2015 Apr 1;40(7):1161-4. doi: 10.1364/OL.40.001161.
It is well known that various artifacts interfere with circular dichroism (CD) measurement using the polarization modulation technique. In this report, we propose a simple analysis method for eliminating the artifacts derived from the residual birefringence of a phase modulator. We consider the origin of the artifacts and find that those in CD can be distinguished by analyzing signals as a function of the retardation of the phase modulator using a Mueller matrix method. We experimentally obtain pure CD from a sample with CD and linear dichroism by applying retardation domain analysis.
众所周知，各种伪像会干扰使用偏振调制技术的圆二色性（CD）测量。在本报告中，我们提出了一种简单的分析方法，用于消除由相位调制器的残余双折射产生的伪像。我们考虑了伪像的来源，并发现通过使用穆勒矩阵方法分析作为相位调制器延迟函数的信号，可以区分CD中的伪像。通过应用延迟域分析，我们从具有CD和线性二色性的样品中实验获得了纯CD。
