4.4 Article

Dynamic three-wavelength imaging and volumetry of flowing cells with doubled field of view by six-pack holography

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APPLIED PHYSICS B-LASERS AND OPTICS
卷 128, 期 5, 页码 -

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SPRINGER HEIDELBERG
DOI: 10.1007/s00340-022-07812-z

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A new six-pack holography (6PH) system is presented in this paper, which can acquire six off-axis holograms simultaneously from two fields of view and three wavelengths in a single exposure. Compared with previous systems, the system is based on an external module, providing a more elegant solution. It is also the first time that six-pack holography is utilized for multi-wavelength imaging, and volumetric data of flowing erythrocytes with twice the field of view of previous techniques are acquired using the new system.
We present a new six-pack holography (6PH) system for simultaneous acquisition of six off-axis holograms in a single exposure from two fields of view and three wavelengths. The system is based on an external 6PH module, placed at the output of an inverted microscope, presenting a significantly more elegant solution compared to previous 6PH systems, which were based on cumbersome Mach-Zehnder interferometers built around the sample. This is also the first time in which six-pack holography is utilized for multi-wavelength imaging. We demonstrate using the new system to acquire volumetric data of flowing erythrocytes with twice the field of view of previous multi-wavelength holographic techniques. This volumetric data includes mean corpuscular volume, mean corpuscular hemoglobin (Hb) concentration, mean corpuscular Hb, and sphericity.

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