连续波多程显微镜
Continuous Wave Multipass Microscopy
摘要：
我们提出了一个连续波，后选择自由实施的宽视场光学多程显微镜。它可以与空间和时间非相干光源一起操作，并且不需要主动外耦合或外来检测方案。该实现能够连续地确定性地询问样本多达$m=4$次。通过多次询问，可以实现由样品赋予的相移和吸收的线性增强，从根本上增加了可获得图像的信噪比。
英文摘要：
We present a continuous-wave, post selection-free implementation of a widefield optical multipass microscope. It can be operated with a spatially and temporally incoherent light source, and requires no active outcoupling or exotic detection schemes. This implementation is capable of deterministically interrogating a sample sequentially up to $m=4$ times. Through multiple interrogations, a linear enhancement in phase shift and absorption imparted by the sample can be achieved, fundamentally increasing the signal-to-noise of the obtainable images.
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