Laser Doppler Vibrometry

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Laser Doppler Vibrometry

Author : Enrico Primo Tomasini
Publisher : Springer Nature
ISBN 13 : 3662613182
Total Pages : 173 pages
Book Rating : 4.6/5 (626 download)

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Book Synopsis Laser Doppler Vibrometry by : Enrico Primo Tomasini

Download or read book Laser Doppler Vibrometry written by Enrico Primo Tomasini and published by Springer Nature. This book was released on 2020-06-29 with total page 173 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a continuous learning tool for experienced technical staff facing laser vibrometry technology for the first time. The book covers both theoretical aspects and practical applications of laser Doppler vibrometry, and is accompanied by a multimedia presentation that allows the audience to browse the content and come as close as possible to performing real experiments. After a brief introduction, Chapter 2 presents supporting theory, providing general information on light sources, light scattering and interference for a better understanding of the rest of the book. Chapter 3 examines the theory of laser vibrometers, explaining interferometers from an optical perspective and in terms of the related electronics. It also addresses options like tracking filters and different signal demodulation strategies, since these have a significant impact on the practical use of vibrometers. Chapter 4 explores the configurations that are encountered in today’s instrumentation, with a focus on providing practical suggestions on the use of laser vibrometers. Lastly, Chapter 5 investigates metrology for vibration and shock measurements using laser interferometry, and analyses the uncertainty of laser vibrometers in depth.

Laser Doppler Vibrometry

Author : Enrico Primo Tomasini
Publisher : Springer
ISBN 13 : 9783662613160
Total Pages : 164 pages
Book Rating : 4.6/5 (131 download)

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Book Synopsis Laser Doppler Vibrometry by : Enrico Primo Tomasini

Download or read book Laser Doppler Vibrometry written by Enrico Primo Tomasini and published by Springer. This book was released on 2020-07-31 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a continuous learning tool for experienced technical staff facing laser vibrometry technology for the first time. The book covers both theoretical aspects and practical applications of laser Doppler vibrometry, and is accompanied by a multimedia presentation that allows the audience to browse the content and come as close as possible to performing real experiments. After a brief introduction, Chapter 2 presents supporting theory, providing general information on light sources, light scattering and interference for a better understanding of the rest of the book. Chapter 3 examines the theory of laser vibrometers, explaining interferometers from an optical perspective and in terms of the related electronics. It also addresses options like tracking filters and different signal demodulation strategies, since these have a significant impact on the practical use of vibrometers. Chapter 4 explores the configurations that are encountered in today’s instrumentation, with a focus on providing practical suggestions on the use of laser vibrometers. Lastly, Chapter 5 investigates metrology for vibration and shock measurements using laser interferometry, and analyses the uncertainty of laser vibrometers in depth.

Laser Doppler Vibrometry for Non-Contact Diagnostics

Author : Kristian Kroschel
Publisher : Springer Nature
ISBN 13 : 3030466914
Total Pages : 187 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Laser Doppler Vibrometry for Non-Contact Diagnostics by : Kristian Kroschel

Download or read book Laser Doppler Vibrometry for Non-Contact Diagnostics written by Kristian Kroschel and published by Springer Nature. This book was released on 2020-06-09 with total page 187 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents recent outcomes of the collaborative “Tricorder” project, which brings together partners from industry, research institutes and hospitals to deliver an easy contactless alternative for electrocardiograms (ECG). Featuring contributions investigating the possible applications of laser Doppler vibrometry (LDV) signals for the remote measurement of vital parameters of the heart, the book provides insights into the vision and the history of the "Tricorder" project and the basic differences between the vibrocardiograms and electrocardiograms. It also discusses topics such as signal processing, heartbeat measurement techniques, respiration frequency and oxygen saturation determination, with a particular focus on the diagnostic value of the method presented, e.g., diagnosis of atrial fibrillation and estimation of the oxygen saturation in premature infants. Further, the authors review the advantages and drawbacks of the new method and the specific fields of application. This book will appeal to researchers and industry leaders interested in laser remote sensing for medical applications as well as medical professionals curious about new healthcare technologies.

An Introduction To Optoelectronic Sensors

Author : Antonello Cutolo
Publisher : World Scientific
ISBN 13 : 9814470074
Total Pages : 585 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis An Introduction To Optoelectronic Sensors by : Antonello Cutolo

Download or read book An Introduction To Optoelectronic Sensors written by Antonello Cutolo and published by World Scientific. This book was released on 2009-01-08 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: This invaluable book offers a comprehensive overview of the technologies and applications of optoelectronic sensors. Based on the R&D experience of more than 70 engineers and scientists, highly representative of the Italian academic and industrial community in this area, this book provides a broad and accurate description of the state-of-the-art optoelectronic technologies for sensing. The most innovative approaches, such as the use of photonic crystals, squeezed states of light and microresonators for sensing, are considered. Application areas range from environment to medicine and healthcare, from aeronautics, space, and defence to food and agriculture.Written in a self-contained manner, this volume presents both the sensing methodologies and the fundamentals of the various technologies, as well as their applications in the real world.

Use of Laser Doppler Vibrometers for Testing MEMS Optical Switch Arrays

Author :
Publisher : Information Gatekeepers Inc
ISBN 13 :
Total Pages : 43 pages
Book Rating : 4./5 ( download)

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Book Synopsis Use of Laser Doppler Vibrometers for Testing MEMS Optical Switch Arrays by :

Download or read book Use of Laser Doppler Vibrometers for Testing MEMS Optical Switch Arrays written by and published by Information Gatekeepers Inc. This book was released on with total page 43 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optical Inspection of Microsystems

Author : Wolfgang Osten
Publisher : CRC Press
ISBN 13 : 1420019163
Total Pages : 524 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Optical Inspection of Microsystems by : Wolfgang Osten

Download or read book Optical Inspection of Microsystems written by Wolfgang Osten and published by CRC Press. This book was released on 2018-10-03 with total page 524 pages. Available in PDF, EPUB and Kindle. Book excerpt: Where conventional testing and inspection techniques fail at the micro-scale, optical techniques provide a fast, robust, and relatively inexpensive alternative for investigating the properties and quality of microsystems. Speed, reliability, and cost are critical factors in the continued scale-up of microsystems technology across many industries, and optical techniques are in a unique position to satisfy modern commercial and industrial demands. Optical Inspection of Microsystems is the first comprehensive, up-to-date survey of the most important and widely used full-field optical metrology and inspection technologies. Under the guidance of accomplished researcher Wolfgang Osten, expert contributors from industrial and academic institutions around the world share their expertise and experience with techniques such as image correlation, light scattering, scanning probe microscopy, confocal microscopy, fringe projection, grid and moiré techniques, interference microscopy, laser Doppler vibrometry, holography, speckle metrology, and spectroscopy. They also examine modern approaches to data acquisition and processing. The book emphasizes the evaluation of various properties to increase reliability and promote a consistent approach to optical testing. Numerous practical examples and illustrations reinforce the concepts. Supplying advanced tools for microsystem manufacturing and characterization, Optical Inspection of Microsystems enables you to reach toward a higher level of quality and reliability in modern micro-scale applications.

Laser Doppler Vibrometry for Cardiovascular Monitoring and Photoacoustic Imaging

Author : Laura Mignanelli
Publisher :
ISBN 13 : 9783869488172
Total Pages : pages
Book Rating : 4.4/5 (881 download)

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Book Synopsis Laser Doppler Vibrometry for Cardiovascular Monitoring and Photoacoustic Imaging by : Laura Mignanelli

Download or read book Laser Doppler Vibrometry for Cardiovascular Monitoring and Photoacoustic Imaging written by Laura Mignanelli and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Experimental Structural Dynamics

Author : Randall Allemang
Publisher : Springer
ISBN 13 : 9781461445463
Total Pages : 1403 pages
Book Rating : 4.4/5 (454 download)

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Book Synopsis Handbook of Experimental Structural Dynamics by : Randall Allemang

Download or read book Handbook of Experimental Structural Dynamics written by Randall Allemang and published by Springer. This book was released on 2022-08-06 with total page 1403 pages. Available in PDF, EPUB and Kindle. Book excerpt: The SEM Handbook of Experimental Structural Dynamics stands as a comprehensive overview and reference for its subject, applicable to workers in research, product design and manufacture, and practice. The Handbook is devoted primarily to the areas of structural mechanics served by the Society for Experimental Mechanics IMAC community, such as modal analysis, rotating machinery, structural health monitoring, shock and vibration, sensors and instrumentation, aeroelasticity, ground testing, finite element techniques, model updating, sensitivity analysis, verification and validation, experimental dynamics sub-structuring, quantification of margin and uncertainty, and testing of civil infrastructure. Chapters offer comprehensive, detailed coverage of decades of scientific and technologic advance and all demonstrate an experimental perspective. Several sections specifically discuss the various types of experimental testing and common practices utilized in the automotive, aerospace, and civil structures industries. · History of Experimental Structural Mechanics · DIC Methods - Dynamic Photogrammetry · LDV Methods · Applied Digital Signal Processing · Introduction to Spectral - Basic Measurements · Structural Measurements - FRF · Random and Shock Testing · Rotating System Analysis Methods * · Sensors Signal Conditioning Instrumentation · Design of Modal Tests · Experimental Modal Methods · Experimental Modal Parameter Evaluation · Operating Modal Analysis Methods * · Analytical Numerical Substructuring · Finite Element Model Correlation · Model Updating · Damping of Materials and Structures · Model Calibration and Validation in Structures* · Uncertainty Quantification: UQ, QMU and Statistics * · Nonlinear System Analysis Methods (Experimental) · Structural Health Monitoring and Damage Detection · Experimental Substructure Modeling · Modal Modeling · Response (Impedance) Modeling · Nonlinear Normal Mode Analysis Techniques (Analytical) * · Modal Modeling with Nonlinear Connection Elements (Analytical) · Acoustics of Structural Systems (VibroAcoustics) * · Automotive Structural Testing * · Civil Structural Testing · Aerospace Perspective for Modeling and Validation · Sports Equipment Testing * · Applied Math for Experimental Structural Mechanics * Chapter Forthcoming Contributions present important theory behind relevant experimental methods as well as application and technology. Topical authors emphasize and dissect proven methods and offer detail beyond a simple review of the literature. Additionally, chapters cover practical needs of scientists and engineers who are new to the field. In most cases, neither the pertinent theory nor, in particular, the practical issues have been presented formally in current academic textbooks. Each chapter in the Handbook represents a ’must read’ for someone new to the subject or for someone returning to the field after an absence. Reference lists in each chapter consist of the seminal papers in the literature. This Handbook stands in parallel to the SEM Handbook of Experimental Solid Mechanics, where this Handbook focuses on experimental dynamics of structures at a macro-scale often involving multiple components and materials where the SEM Handbook of Experimental Solid Mechanics focuses on experimental mechanics of materials at a nano-scale and/or micro-scale.

Vibration Engineering for a Sustainable Future

Author : Sebastian Oberst
Publisher : Springer Nature
ISBN 13 : 3030481530
Total Pages : 408 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Vibration Engineering for a Sustainable Future by : Sebastian Oberst

Download or read book Vibration Engineering for a Sustainable Future written by Sebastian Oberst and published by Springer Nature. This book was released on 2021-04-22 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents the proceedings of the Asia-Pacific Vibration Conference (APVC) 2019, "Vibration Engineering for a Sustainable Future," emphasizing work devoted to numerical simulation and modelling. The APVC is one of the larger conferences held biannually with the intention to foster scientific and technical research collaboration among Asia-Pacific countries. The APVC provides a forum for researchers, practitioners, and students from, but not limited to, areas around the Asia-Pacific countries in a collegial and stimulating environment to present, discuss and disseminate recent advances and new findings on all aspects of vibration and noise, their control and utilization. All aspects of vibration, acoustics, vibration and noise control, vibration utilization, fault diagnosis and monitoring are appropriate for the conference, with the focus this year on the vibration aspects in dynamics and noise & vibration. This 18th edition of the APVC was held in November 2019 in Sydney, Australia. The previous seventeen conferences have been held in Japan (‘85, ’93, ‘07), Korea (’87, ’97, ‘13), China (’89, ’01, ’11, ‘17), Australia (’91, ‘03), Malaysia (’95, ‘05), Singapore (‘99), New Zealand (‘09) and Vietnam (‘15).

Continuous Scanning Laser Doppler Vibrometry for Synchronized Array Measurements

Author : Muhammad Salman
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (844 download)

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Book Synopsis Continuous Scanning Laser Doppler Vibrometry for Synchronized Array Measurements by : Muhammad Salman

Download or read book Continuous Scanning Laser Doppler Vibrometry for Synchronized Array Measurements written by Muhammad Salman and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser Doppler Vibrometry (LDV) is a non-contact technique for sensing surface vibrations. Traditionally, LDV uses one or more fixed beams to measure the vibrational velocity of specific points and orientations. In order to measure an angular velocity at least two laser beams are required. Instead, this research proposes to develop a Continuous Scanning Laser Doppler Vibrometer (CSLDV)technique, based on a single laser beam continuously sweeping the area of interest using a scanning mirror. Linear scans allow the measurement of normal and angular velocity while circular scans allow the measurement of normal velocity and two angular velocities. The first part of the study analyzes the performance of rigid body models of both the short line and circular scans (

Rotating Machinery, Vibro-Acoustics & Laser Vibrometry, Volume 7

Author : Dario Di Maio
Publisher : Springer
ISBN 13 : 3319746936
Total Pages : 239 pages
Book Rating : 4.3/5 (197 download)

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Book Synopsis Rotating Machinery, Vibro-Acoustics & Laser Vibrometry, Volume 7 by : Dario Di Maio

Download or read book Rotating Machinery, Vibro-Acoustics & Laser Vibrometry, Volume 7 written by Dario Di Maio and published by Springer. This book was released on 2018-06-04 with total page 239 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rotating Machinery, Vibro-Acoustics & Laser Vibrometry, Volume 7: Proceedings of the 36th IMAC, A Conference and Exposition on Structural Dynamics, 2018, the seveth volume of nine from the Conference brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Rotating Machinery, Hybrid Testing, Vibro-Acoustics & Laser Vibrometry, including papers on: Rotating Machinery Vibro-Acoustics Experimental Techniques Scanning Laser Doppler Vibrometry Methods

Laser Doppler Vibrometry

Author :
Publisher :
ISBN 13 :
Total Pages : 217 pages
Book Rating : 4.:/5 (634 download)

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Book Synopsis Laser Doppler Vibrometry by :

Download or read book Laser Doppler Vibrometry written by and published by . This book was released on 2006 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Rotating Machinery, Optical Methods & Scanning LDV Methods, Volume 6

Author : Dario Di Maio
Publisher : Springer Nature
ISBN 13 : 3030477215
Total Pages : 164 pages
Book Rating : 4.0/5 (34 download)

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Book Synopsis Rotating Machinery, Optical Methods & Scanning LDV Methods, Volume 6 by : Dario Di Maio

Download or read book Rotating Machinery, Optical Methods & Scanning LDV Methods, Volume 6 written by Dario Di Maio and published by Springer Nature. This book was released on 2020-09-23 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rotating Machinery, Optical Methods & Scanning LDV Methods, Volume 6: Proceedings of the 38th IMAC, A Conference and Exposition on Structural Dynamics, 2020, the sixth volume of eight from the Conference brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Structural Health Monitoring, including papers on: Novel Techniques Optical Methods, Scanning LDV Methods Photogrammetry & DIC Rotating Machinery

Continuously Scanning Laser Doppler Vibrometry and Its Application to Vibration-based Structural Damage Detection

Author : Daming Chen
Publisher :
ISBN 13 :
Total Pages : 556 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Continuously Scanning Laser Doppler Vibrometry and Its Application to Vibration-based Structural Damage Detection by : Daming Chen

Download or read book Continuously Scanning Laser Doppler Vibrometry and Its Application to Vibration-based Structural Damage Detection written by Daming Chen and published by . This book was released on 2018 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research is to investigate a non-contact real-time moving sensor measurement method, i.e., continuously scanning laser Doppler vibrometry (CSLDV), and its application to vibration-based structural damage detection. In a conventional vibration measurement method, a sensor is fixed at a location on a structure surface and measures response of the structure. The spatial resolution of a vibration shape (VS) of the structure obtained by the conventional measurement method is low due to the limited number of sensors that can be attached to the structure. However, in this research, the laser spot from CSLDV continuously moves over a structure surface along a prescribed scan trajectory and measures velocities along the scan trajectory. Since the laser spot continuously moves, the velocities measured by CSLDV include both time- and spatial-domain vibration information of the structure, and a VS of the structure can be obtained from spatial-domain information. Advantages of this measurement method is that a VS can be obtained in a short measurement time and the spatial resolution of the VS can be very dense. An in-house CSLDV system, including a single-point laser Doppler vibrometer, a scanner and a control unit, is built to measure out-of-plane velocities of a structure.

The Laser Doppler Technique

Author : L. E. Drain
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 264 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Laser Doppler Technique by : L. E. Drain

Download or read book The Laser Doppler Technique written by L. E. Drain and published by John Wiley & Sons. This book was released on 1980 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Photonic Instrumentation

Author : Silvano Donati
Publisher : CRC Press
ISBN 13 : 1000895726
Total Pages : 521 pages
Book Rating : 4.0/5 (8 download)

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Book Synopsis Photonic Instrumentation by : Silvano Donati

Download or read book Photonic Instrumentation written by Silvano Donati and published by CRC Press. This book was released on 2023-06-27 with total page 521 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photonic Instrumentation: Sensing and Measuring with Lasers is designed as a source for university-level courses covering the essentials of laser-based instrumentation, and as a useful reference for working engineers. Photonic instruments have very desirable features like non-contact operation and unparalleled sensitivity. They have quickly become a big industrial success, passing unaffected through the bubble years and, not any less important, well-established methods in measurement science. This book offers coverage of the most proven instruments, with a balanced treatment of the optical and electronic aspects involved. It also attempts to present the basic principles, develop the guidelines of design and evaluate the ultimate limits of performances set by noise. The instruments surveyed include: alignment instruments, such as wire diameter and particle size analyzers, telemeters, laser interferometers and self-mixing interferometers, and speckle pattern instruments, laser doppler velocimeters, gyroscopes, optical fiber sensors and quantum sensing. A few appendices offer convenient reference material for key principles on lasers, optical interferometers, propagation, scattering and diffraction.

Laser Radar

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309302196
Total Pages : 321 pages
Book Rating : 4.3/5 (93 download)

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Book Synopsis Laser Radar by : National Research Council

Download or read book Laser Radar written by National Research Council and published by National Academies Press. This book was released on 2014-03-14 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: In today's world, the range of technologies with the potential to threaten the security of U.S. military forces is extremely broad. These include developments in explosive materials, sensors, control systems, robotics, satellite systems, and computing power, to name just a few. Such technologies have not only enhanced the capabilities of U.S. military forces, but also offer enhanced offensive capabilities to potential adversaries - either directly through the development of more sophisticated weapons, or more indirectly through opportunities for interrupting the function of defensive U.S. military systems. Passive and active electro-optical (EO) sensing technologies are prime examples. Laser Radar considers the potential of active EO technologies to create surprise; i.e., systems that use a source of visible or infrared light to interrogate a target in combination with sensitive detectors and processors to analyze the returned light. The addition of an interrogating light source to the system adds rich new phenomenologies that enable new capabilities to be explored. This report evaluates the fundamental, physical limits to active EO sensor technologies with potential military utility; identifies key technologies that may help overcome the impediments within a 5-10 year timeframe; considers the pros and cons of implementing each existing or emerging technology; and evaluates the potential uses of active EO sensing technologies, including 3D mapping and multi-discriminate laser radar technologies.