级联锥形折射中多环的形成
Multiple rings formation in cascaded conical refraction
摘要：
当光束通过具有对准光轴的双轴晶体的级联时，所得到的横向强度图案由多个同心环组成。我们提供了一个简单的公式，用于圆偏振和线偏振输入光束的斑图形成，可以应用于任意数量的双轴晶体的级联。我们已经实验研究了多环的形成与多达三个级联双轴晶体，表明理论公式与实验结果完全一致。
英文摘要：
When a light beam passes through a cascade of biaxial crystals with aligned optic axes, the resulting transverse intensity pattern consists of multiple concentric rings. We provide a simple formulation for the pattern formation for both circularly and linearly polarized input beams, that could be applied for a cascade of an arbitrary number of biaxial crystals. We have experimentally investigated multiple ring formation with up to three cascade biaxial crystals, showing that the theoretical formulation is in full agreement with the experimental results.
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