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Video-rate confocal phase imaging by use of scan-less dual comb microscopy

机译:通过使用扫描双梳理显微镜进行视频速率共聚焦相位成像

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We demonstrate the confocal phase imaging at a video rate by a combination of dual comb spectroscopy (DSC) with 2D spectral encoding (2D-SE). After the image pixels of the sample is encoded on an optical frequency comb (OFC) by 2D-SE, DSC of the image-encoded OFC passing through the confocal pinhole gives the mode-resolved amplitude and phase spectra. Based on one-to-one correspondence between the image pixels and OFC modes, the confocal amplitude and phase images are decoded from the mode-resolved amplitude and phase spectra, respectively. The phase spectrum measurement without the need for mechanical scanning enables the video-rate confocal phase imaging.
机译:我们通过用2D光谱编码(2D-SE)的双梳谱光谱(DSC)组合来展示在视频速率下的共聚焦相位成像。在通过2D-SE的光学频率梳状物(OFC)上编码样品的图像像素之后,通过共聚焦针孔的图像编码的DSC给出了模式分辨幅度和相位谱。基于图像像素和OFC模式之间的一对一对应,分别从模式分辨的幅度和相位光谱解码了共聚焦幅度和相位图像。不需要机械扫描的相谱测量使得视频速率共聚焦相位成像。

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