论文标题
用于单发定量相成像的编码孔相关全息显微镜,并具有扩展视野
Coded aperture correlation holographic microscope for single-shot quantitative phase imaging with extended field of view
论文作者
论文摘要
最近,证明了一种记录连贯照明的三维场景的全息图,没有两波干扰的方法。该方法是编码的孔径相关全息从不一致到相干照明的扩展。尽管此方法对于某些任务是实用的,但它不能成像相对的对象,这是连贯全息图的重要好处。目前的工作通过在修改后的Mach-Zhhnder干涉仪中使用相同类型的编码相掩码来解决此限制。我们表明,通过几个比较参数,基于编码的基于孔径的相位成像优于基于相同的开放孔径方法。作为编码孔径方法的另一个优点,为增加系统的视野而为振幅和相位对象都进行了制定和证明。高灵敏度定量相显微镜与单个相机射击全息设备中增加视野的结合具有巨大的潜力,可以作为研究生物组织和微生物的首选工具。
Recently, a method of recording holograms of coherently illuminated three-dimensional scene without two-wave interference was demonstrated. The method is an extension of the coded aperture correlation holography from incoherent to coherent illumination. Although this method is practical for some tasks, it is not capable of imaging phase objects, a capability that is an important benefit of coherent holography. The present work addresses this limitation by using the same type of coded phase masks in a modified Mach-Zehnder interferometer. We show that by several comparative parameters, the coded aperture-based phase imaging is superior to the equivalent open aperture-based method. As an additional merit of the coded aperture approach, a framework for increasing the system's field of view is formulated and demonstrated for both amplitude and phase objects. The combination of high sensitivity quantitative phase microscope with increased field of view in a single camera shot holographic apparatus, has immense potential to serve as the preferred tool for examination of biological tissues and micro-organisms.