Digital Holographic Imaging for 3D Particle and Flow Measurements PDF Download
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Author: Gang Pan
Publisher:
ISBN:
Category :
Languages : en
Pages : 246
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Book Description
Author: Gang Pan
Publisher:
ISBN:
Category :
Languages : en
Pages : 246
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Book Description
Author: Ting-Chung Poon
Publisher: MDPI
ISBN: 3039435957
Category : Technology & Engineering
Languages : en
Pages : 364
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Book Description
Modern holographic techniques have been successfully applied in many important areas, such as 3-D inspection, 3-D microscopy, metrology, and profilometry, augmented reality, and industrial informatics. This Special Issue covers selected pieces of cutting-edge research works, ranging from low-level acquisition, to high-level analysis, processing, and manipulation of holographic information. The Special Issue also serves as a comprehensive review of existing state-of-the-art techniques in 3-D imaging and 3-D display, as well as broad insights into the future development of these disciplines. The Special Issue contains 25 papers in the field of holography, 3-D imaging, and 3-D display. All the papers underwent substantial peer review under the guidelines of Applied Sciences.
Author: Ronald J. Adrian
Publisher: Cambridge University Press
ISBN: 0521440084
Category : Science
Languages : en
Pages : 585
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Book Description
Particle image velocimetry, or PIV, refers to a class of methods used in experimental fluid mechanics to determine instantaneous fields of the vector velocity by measuring the displacements of numerous fine particles that accurately follow the motion of the fluid. Although the concept of measuring particle displacements is simple in essence, the factors that need to be addressed to design and implement PIV systems that achieve reliable, accurate, and fast measurements and to interpret the results are surprisingly numerous. The aim of this book is to analyze and explain them comprehensively.
Author: Jerome Fung
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
We discuss digital holographic microscopy (DHM), a 3D imaging technique capable of measuring the positions of micron-sized colloidal particles with nanometer precision and sub-millisecond temporal resolution. We use exact electromagnetic scattering solutions to model holograms of multiple colloidal spheres. While the Lorenz-Mie solution for scattering by isolated spheres has previously been used to model digital holograms, we apply for the first time an exact multisphere superposition scattering model that is capable of modeling holograms from spheres that are sufficiently close together to exhibit optical coupling.
Author: Pascal Picart
Publisher: John Wiley & Sons
ISBN: 1119091926
Category : Technology & Engineering
Languages : en
Pages : 318
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Book Description
A state of the art presentation of important advances in the field of digital holography, detailing advances related to fundamentals of digital holography, in-line holography applied to fluid mechanics, digital color holography, digital holographic microscopy, infrared holography, special techniques in full field vibrometry and inverse problems in digital holography
Author: Ulf Schnars
Publisher: Springer Science & Business Media
ISBN: 3540269118
Category : Science
Languages : en
Pages : 165
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Book Description
This highly practical and self-contained guidebook explains the principles and major applications of digital hologram recording and numerical reconstruction (Digital Holography). A special chapter is designated to digital holographic interferometry with applications in deformation and shape measurement and refractive index determination. Applications in imaging and microscopy are also described. Spcial techniques such as digital light-in-flight holography, holographic endoscopy, information encrypting, comparative holography, and related techniques of speckle metrology are also treated
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 89
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Book Description
Based on the DHPIV technique, two systems were implemented in Laser Flow Diagnostics Lab. My work was to calibrate the systems with different particles, quantify the errors and find the limitations of the two holography systems as a reference for practical use and further development. I also made an attempt to explore the capabilities of the systems for applications. In the first part, calibrations were performed on the shape, position and size accuracy. The work done on the different objects in the four steps of the digital information processing, namely preprocessing, image reconstruction, particle extraction and velocity extraction were discussed, and the lens-based recording was studied. A novel particle extraction method, PECA, which was developed by Gang Pan, was proved out to be more accurate than the conventional PEI method for both depth resolution and size measurement. In the second part, capabilities of the system for applications were demonstrated by the practical tests. (Abstract shortened by UMI.).
Author: Liangcai Cao
Publisher: Frontiers Media SA
ISBN: 2832506178
Category : Science
Languages : en
Pages : 147
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Book Description
Author: Peter Wai Ming Tsang
Publisher: Frontiers Media SA
ISBN: 2832509215
Category : Science
Languages : en
Pages : 158
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Book Description
With the rapid growth of computing and display technologies, digital holography (DH) has undergone significant advancement in the past two decades. Contemporary research works have enabled holography, a technology which is originally intended for displaying three-dimensional (3-D) images, to be deployed in numerous scientific, engineering, and bio-medical applications. Notably, digital holography has been incorporated into quite a number of contemporary applications, such as, but limited to holographic cryptography, optical metrology, remote sensing and inspection, and more recently, quantum computing. The success attained with DH so far does not limit its development to its current state-of-the-art, but rather research on holography keeps on expanding, with new ideas and methods keep coming up in a sustainable manner. This Research Topic aims to collect representative works from experts in the field, with the aim of providing an insight on the overall picture on digital holography, as well as reporting existing methodologies and emerging technologies that are likely to have strong impact on future research directions. Participating in the Research Topic, either as authors or readers, also facilitates establishing a platform for researchers to network, and to share their knowledge.
Author: Andreas Schröder
Publisher: Springer Science & Business Media
ISBN: 3540735283
Category : Science
Languages : en
Pages : 516
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Book Description
This book summarizes the main results reached using the EC-funded network PivNet 2. It also presents a survey of the state of the art of scientific research using PIV techniques. You get a clear introduction to the basics of these techniques. The authors then guide you through current and possible future applications for flow analysis, including combustion and supersonic flow. Hundreds of illustrations, many in full color, are provided.
