منابع مشابه
Mems Measurement by Digital Holographic Microscope
A universal digital holographic microscope to measure shape and displacement of microelement and MEMS (MicroElectroMechnacalSystems) is presented. This device is designed to exploit a measurement for MEMS with either a smooth or a rough surface. The method is based on digital laser interferometry and digital laser speckle interferometry (TV holography) incorporated with optoelectronic devices i...
متن کاملCompact in-line lensfree digital holographic microscope
Phase imaging provides intensity contrast to visualize transparent samples such as found in biology without any staining. Among them, digital holographic microscopy (DHM) is a well-known quantitative phase method. Lensfree implementations of DHMs offer the added advantage to provide large field of views (several mm2 compared to several hundred μm2) and more compact setups that traditional DHM w...
متن کاملThree-Dimensional Identification of Microorganisms Using a Digital Holographic Microscope
This paper reports a method for three-dimensional (3D) analysis of shift-invariant pattern recognition and applies to holographic images digitally reconstructed from holographic microscopes. It is shown that the sequential application of a 2D filter to the plane-by-plane reconstruction of an optical field is exactly equivalent to the application of a more general filter with a 3D impulse respon...
متن کاملPc-based Digital Holographic Microscope with Image Reconstruction Improvement Software
Microscope has been widely used to observe microscopic objects. The types of microscope are varied according to its function. The conventional optical microscope only provides intensity information of an object and it has some difficulties to provide information about the real shape of the object and the projection of the object in different depth and perspective. In addition, optical microscop...
متن کاملAutomated alignment method for coherence-controlled holographic microscope
A coherence-controlled holographic microscope (CCHM) was developed particularly for quantitative phase imaging and measurement of live cell dynamics, which is the proper subject of digital holographic microscopy (DHM). CCHM in low-coherence mode extends DHM in the study of living cells. However, this advantage is compensated by sensitivity of the system to easily become misaligned, which is a s...
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ژورنال
عنوان ژورنال: The Journal of The Institute of Image Information and Television Engineers
سال: 2018
ISSN: 1342-6907,1881-6908
DOI: 10.3169/itej.72.54