Approaching the topic of digital holography from the practicalperspective of industrial inspection, Digital Holography forMEMS and Microsystem Metrology describes the process ofdigital holography and its growing applications for MEMScharacterization, residual stress measurement, design andevaluation, and device testing and inspection. Asundi also providesa thorough theoretical grounding that enables the reader tounderstand basic concepts and thus identify areas where thistechnique can be adopted. This combination of both practical andtheoretical approach will ensure the book s relevance and…mehr
Approaching the topic of digital holography from the practicalperspective of industrial inspection, Digital Holography forMEMS and Microsystem Metrology describes the process ofdigital holography and its growing applications for MEMScharacterization, residual stress measurement, design andevaluation, and device testing and inspection. Asundi also providesa thorough theoretical grounding that enables the reader tounderstand basic concepts and thus identify areas where thistechnique can be adopted. This combination of both practical andtheoretical approach will ensure the book s relevance and appeal toboth researchers and engineers keen to evaluate the potential ofdigital holography for integration into their existing machines andprocesses.
Addresses particle characterization where digital holographyhas proven capability for dynamic measurement of particles in 3Dfor sizing and shape characterization, with applications inmicrofluidics as well as crystallization and aerosol detectionstudies. Discusses digital reflection holography, digital transmissionholography, digital in-line holography, and digital holographictomography and applications. Covers other applications including micro-optical anddiffractive optical systems and the testing of these components,and bio-imaging.
Anand Asundi, Nanyang Technological University, Singapore Anand Asundi is Professor and Deputy Director of the Advanced Materials Research Centre at Nanyang Technological University in Singapore. His research interests are in photomechanics and optical sensors & he has published over 200 papers in peer-reviewed journals and presented invited and plenary talks at international conferences. He has also chaired and organized numerous conferences in Singapore and other parts of the world. He is Editor of Optics and Lasers in Engineering and on the Board of Directors of SPIE, and a fellow of the Institute of Engineers, Singapore and SPIE. He also holds advisory professorial appointments at Tongji University, Shanghai University and Harbin Institute of Technology, China. He is Chairman of the Asian Committee on Experimental Mechanics and the Asia Pacific Committee on Smart and Nano Materials both of which he co-founded.
Inhaltsangabe
About the Editor xi Contributors xiii Series Preface xvii Acknowledgements xix Abbreviations xxi 1 Introduction 1 Anand Asundi 2 Digital Reflection Holography and Applications 7 Vijay R. Singh and Anand Asundi 2.1 Introduction to Digital Holography and Methods 7 2.1.1 Holography and Digital Holography 7 2.1.2 Digital Recording Mechanism 9 2.1.3 Numerical Reconstruction Methods 10 2.2 Reflection Digital Holographic Microscope (DHM) Systems Development 13 2.2.1 Optical Systems and Methodology 13 2.3 3D Imaging, Static and Dynamic Measurements 23 2.3.1 Numerical Phase and 3D Measurements 23 2.3.2 Digital Holographic Interferometry 25 2.4 MEMS/Microsystems Characterization Applications 31 2.4.1 3D Measurements 31 2.4.2 Static Measurements and Dynamic Interferometric Measurement 35 2.4.3 Vibration Analysis 39 References 50 3 Digital Transmission Holography and Applications 51 Qu Weijuan 3.1 Historical Introduction 51 3.2 The Foundation of Digital Holography 53 3.2.1 Theoretical Analysis of Wavefront Interference 58 3.2.2 Digital Hologram Recording and Reconstruction 70 3.2.3 Different Numerical Reconstruction Algorithms 71 3.3 Digital Holographic Microscopy System 73 3.3.1 Digital Holographic Microscopy with Physical Spherical Phase Compensation 74 3.3.2 Lens-Less Common-Path Digital Holographic Microscope 79 3.3.3 Common-Path Digital Holographic Microscope 84 3.3.4 Digital Holographic Microscopy with Quasi-Physical Spherical Phase Compensation: Light with Long Coherence Length 92 3.3.5 Digital Holographic Microscopy with Quasi-Physical Spherical Phase Compensation: Light with Short Coherence Length 99 3.4 Conclusion 102 References 104 4 Digital In-Line Holography and Applications 109 Taslima Khanam 4.1 Background 109 4.2 Digital In-Line Holography 111 4.2.1 Recording and Reconstruction 111 4.3 Methodology for 2D Measurement of Micro-Particles 114 4.3.1 Numerical Reconstruction, Pre-Processing and Background Correction 114 4.3.2 Image Segmentation 116 4.3.3 Particle Focusing 117 4.3.4 Particle Size Measurement 118 4.4 Validation and Performance of the 2D Measurement Method 120 4.4.1 Verification of the Focusing Algorithm 121 4.4.2 Spherical Beads on a Glass Slide 123 4.4.3 Microspheres in a Flowing System 124 4.4.4 10 mm Microspheres Suspension 125 4.4.5 Measurement of Microfibers 125 4.5 Methodology for 3D Measurement of Micro-Fibers 128 4.5.1 Method 1: The 3D Point Cloud Method 129 4.5.2 Method 2: The Superimposition Method 130 4.6 Validation and Performance of the 3D Measurement Methods 134 4.6.1 Experiment with a Single Fiber 134 4.6.2 3D Measurements of Micro-Fibers in Suspension 135 4.7 Conclusion 136 References 137 5 Other Applications 139 5.1 Recording Plane Division Multiplexing (RDM) in Digital Holography for Resolution Enhancement 141 Caojin Yuan and Hongchen Zhai 5.1.1 Introduction of the Recording Plane Division Multiplexing Technique 141 5.1.1.1 The SM Technique 142 5.1.1.2 The ADM Technique 143 5.1.1.3 The WDM Technique 145 5.1.1.4 The PM Technique 146 5.1.2 RDM Implemented in Pulsed Digital Holography for Ultra-Fast Recording 147 5.1.2.1 Introduction 147 5.1.2.2 AMD in the Pulsed Digital Holography 148 5.1.2.3 WDM in Pulsed Digital Holography 150 5.1.3 RDM Implemented by Digital Holography for Spatial Resolution Enhancement 152 5.1.3.1 Introduction 152 5.1.3.2 AMD in Digital Holography 153 5.1.3.3 AMD and PM in Digital Holography 156 5.1.4 Conclusion 159 References 160 5.2 Development of Digital Holographic Tomography 161 Yu Yingjie 5.2.1 Introduction 161 5.2.2 Classification of Digital Holographic Tomography 162 5.2.3 Principle of Digital Holographic Tomography 166 5.2.3.1 Principle of Digital Holography 166 5.2.3.2 Reconstruction Principle of Computer Tomography 166 5.2.3.3 CT Reconstruction Algorithms 168 5.2.4 Application of DHT 170 5.2.4.1 Detection of Biological Tissue 170 5.2.4.2 Material Detection 172 References 175 5.3 Digital Holographic Interferometry for Phase Distribution Measurement 177 Jianlin Zhao 5.3.1 Measurement Principle of Digital Holographic Interferometry 177 5.3.1.1 Principle of Phase Measurement of the Object Wave Field 178 5.3.1.2 Principle of Digital Holographic Interferometry 180 5.3.2 Applications of Digital Holographic Interferometry in Surface Profile Testing of MEMS/MOEMS 183 5.3.3 Applications of Digital Holographic Interferometry in Measuring Refractive Index Distribution 185 5.3.3.1 Measurement of Light-Induced Index Change in Photorefractive Crystals 186 5.3.3.2 Measurement of Acoustic Standing Wave Field 191 5.3.3.3 Measurement of Plasma Plume Field 192 5.3.3.4 Measurement of Temperature Distribution in Air Field 193 5.3.3.5 Visualization Measurement of Turbulent Flow Field in Water 194 References 195 6 Conclusion 199 Anand Asundi Index 201
About the Editor xi Contributors xiii Series Preface xvii Acknowledgements xix Abbreviations xxi 1 Introduction 1 Anand Asundi 2 Digital Reflection Holography and Applications 7 Vijay R. Singh and Anand Asundi 2.1 Introduction to Digital Holography and Methods 7 2.1.1 Holography and Digital Holography 7 2.1.2 Digital Recording Mechanism 9 2.1.3 Numerical Reconstruction Methods 10 2.2 Reflection Digital Holographic Microscope (DHM) Systems Development 13 2.2.1 Optical Systems and Methodology 13 2.3 3D Imaging, Static and Dynamic Measurements 23 2.3.1 Numerical Phase and 3D Measurements 23 2.3.2 Digital Holographic Interferometry 25 2.4 MEMS/Microsystems Characterization Applications 31 2.4.1 3D Measurements 31 2.4.2 Static Measurements and Dynamic Interferometric Measurement 35 2.4.3 Vibration Analysis 39 References 50 3 Digital Transmission Holography and Applications 51 Qu Weijuan 3.1 Historical Introduction 51 3.2 The Foundation of Digital Holography 53 3.2.1 Theoretical Analysis of Wavefront Interference 58 3.2.2 Digital Hologram Recording and Reconstruction 70 3.2.3 Different Numerical Reconstruction Algorithms 71 3.3 Digital Holographic Microscopy System 73 3.3.1 Digital Holographic Microscopy with Physical Spherical Phase Compensation 74 3.3.2 Lens-Less Common-Path Digital Holographic Microscope 79 3.3.3 Common-Path Digital Holographic Microscope 84 3.3.4 Digital Holographic Microscopy with Quasi-Physical Spherical Phase Compensation: Light with Long Coherence Length 92 3.3.5 Digital Holographic Microscopy with Quasi-Physical Spherical Phase Compensation: Light with Short Coherence Length 99 3.4 Conclusion 102 References 104 4 Digital In-Line Holography and Applications 109 Taslima Khanam 4.1 Background 109 4.2 Digital In-Line Holography 111 4.2.1 Recording and Reconstruction 111 4.3 Methodology for 2D Measurement of Micro-Particles 114 4.3.1 Numerical Reconstruction, Pre-Processing and Background Correction 114 4.3.2 Image Segmentation 116 4.3.3 Particle Focusing 117 4.3.4 Particle Size Measurement 118 4.4 Validation and Performance of the 2D Measurement Method 120 4.4.1 Verification of the Focusing Algorithm 121 4.4.2 Spherical Beads on a Glass Slide 123 4.4.3 Microspheres in a Flowing System 124 4.4.4 10 mm Microspheres Suspension 125 4.4.5 Measurement of Microfibers 125 4.5 Methodology for 3D Measurement of Micro-Fibers 128 4.5.1 Method 1: The 3D Point Cloud Method 129 4.5.2 Method 2: The Superimposition Method 130 4.6 Validation and Performance of the 3D Measurement Methods 134 4.6.1 Experiment with a Single Fiber 134 4.6.2 3D Measurements of Micro-Fibers in Suspension 135 4.7 Conclusion 136 References 137 5 Other Applications 139 5.1 Recording Plane Division Multiplexing (RDM) in Digital Holography for Resolution Enhancement 141 Caojin Yuan and Hongchen Zhai 5.1.1 Introduction of the Recording Plane Division Multiplexing Technique 141 5.1.1.1 The SM Technique 142 5.1.1.2 The ADM Technique 143 5.1.1.3 The WDM Technique 145 5.1.1.4 The PM Technique 146 5.1.2 RDM Implemented in Pulsed Digital Holography for Ultra-Fast Recording 147 5.1.2.1 Introduction 147 5.1.2.2 AMD in the Pulsed Digital Holography 148 5.1.2.3 WDM in Pulsed Digital Holography 150 5.1.3 RDM Implemented by Digital Holography for Spatial Resolution Enhancement 152 5.1.3.1 Introduction 152 5.1.3.2 AMD in Digital Holography 153 5.1.3.3 AMD and PM in Digital Holography 156 5.1.4 Conclusion 159 References 160 5.2 Development of Digital Holographic Tomography 161 Yu Yingjie 5.2.1 Introduction 161 5.2.2 Classification of Digital Holographic Tomography 162 5.2.3 Principle of Digital Holographic Tomography 166 5.2.3.1 Principle of Digital Holography 166 5.2.3.2 Reconstruction Principle of Computer Tomography 166 5.2.3.3 CT Reconstruction Algorithms 168 5.2.4 Application of DHT 170 5.2.4.1 Detection of Biological Tissue 170 5.2.4.2 Material Detection 172 References 175 5.3 Digital Holographic Interferometry for Phase Distribution Measurement 177 Jianlin Zhao 5.3.1 Measurement Principle of Digital Holographic Interferometry 177 5.3.1.1 Principle of Phase Measurement of the Object Wave Field 178 5.3.1.2 Principle of Digital Holographic Interferometry 180 5.3.2 Applications of Digital Holographic Interferometry in Surface Profile Testing of MEMS/MOEMS 183 5.3.3 Applications of Digital Holographic Interferometry in Measuring Refractive Index Distribution 185 5.3.3.1 Measurement of Light-Induced Index Change in Photorefractive Crystals 186 5.3.3.2 Measurement of Acoustic Standing Wave Field 191 5.3.3.3 Measurement of Plasma Plume Field 192 5.3.3.4 Measurement of Temperature Distribution in Air Field 193 5.3.3.5 Visualization Measurement of Turbulent Flow Field in Water 194 References 195 6 Conclusion 199 Anand Asundi Index 201
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