1. Overview
    We have set up a page to help you understand the measurement principles of Uniopt’s measuring instruments: ABR series. Many of our customers ask us, “Why is it possible to make such high-precision measurements? Many of our customers ask us, “Why is such high-precision measurement possible? For this reason, we have tried to start each section with expressions that are as easy to understand as possible, and in the latter half of the section, we have used equations and other means to ensure accurate understanding. I would appreciate it if you could point out to me any difficulties in understanding or incorrect expressions in this paper.

  1. What’s birefringence
  2. Optical heterodyne interferometry
  3. Birefringence Measurement