Chapter 1 Optical Measurement Mechanics Fundamentals 1
1.1 Optics 1
1.1.1 Geometrical Optics 1
1.1.2 Physical Optics 4
1.2 Optical Interference 6
1.3 Optical Diffraction 7
1.4 Optical Polarization 9
1.5 Optical Interferometers 10
1.6 Lasers 13
Chapter 2 Holography and Holographic Interferometry 15
2.1 Holography 15
2.1.1 Holographic Recording 15
2.1.2 Holographic Reconstruction 16
2.2 Holographic Interferometry 17
2.2.1 Phase Calculation 17
2.2.2 Double-Exposure Holographic Interferometry 18
2.2.3 Real-Time Holographic Interferometry 20
2.2.4 Time-Averaged Holographic Interferometry 22
2.2.5 Real-Time Time-Averaged Holographic Interferometry 23
2.2.6 Stroboscopic Holographic Interferometry 25
Chapter 3 Speckle Photography and Speckle Interferometry 27
3.1 Speckle Photography 27
3.1.1 Double-Exposure Speckle Photography 27
3.1.2 Time-Averaged Speckle Photography 31
3.1.3 Stroboscopic Speckle Photography 33
3.2 Speckle Interferometry 34
3.2.1 In-Plane Displacement Measurement 34
3.2.2 Out-of-Plane Displacement Measurement 36
3.3 Speckle Shearing Interferometry 37
Chapter 4 Geometric Moiré and Moiré Interferometry 40
4.1 Geometric Moiré 40
4.1.1 Geometric Moiré Formation 41
4.1.2 Geometric Moiré for Strain Measurement 42
4.1.3 Shadow Moiré for Out-of-Plane Displacement Measurement 47
4.1.4 Reflection Moiré for Slope Measurement 49
4.2 Moiré Interferometry 51
4.2.1 Real-Time Method for In-Plane Displacement Measurement 51
4.2.2 Differential Load Method for In-Plane Displacement Measurement 52
Chapter 5 Phase-Shifting Interferometry and Phase Unwrapping 54
5.1 Phase-Shifting Interferometry 54
5.1.1 Temporal Phase-Shifting Interferometry 54
5.1.2 Spatial Phase-Shifting Interferometry 58
5.2 Phase Unwrapping 60
Chapter 6 Discrete Transformation and Low-Pass Filtering 62
6.1 Discrete Transformation 62
6.1.1 Discrete Fourier Transform 62
6.1.2 Discrete Cosine Transform 66
6.2 Low-Pass Filtering 67
6.2.1 Averaging Smooth Filtering in Space Domain 68
6.2.2 Median Smooth Filtering in Space Domain 69
6.2.3 Adaptive Smooth Filtering in Space Domain 70
6.2.4 Ideal Low-Pass Filtering in Frequency Domain 70
6.2.5 Butterworth Low-Pass Filtering in Frequency Domain 72
6.2.6 Exponential Low-Pass Filtering in Frequency Domain 73
Chapter 7 Digital Holography and Digital Holographic Interferometry 75
7.1 Digital Holography 75
7.1.1 Digital Holographic Recording 76
7.1.2 Digital Holographic Reconstruction 77
7.1.3 Digital Holographic Experiments 78
7.2 Digital Holographic Interferometry 79
Chapter 8 Digital Speckle Interferometry and Digital Speckle Shearing Interferometry 81
8.1 Digital Speckle Interferometry 81
8.1.1 In-Plane Displacement Measurement 81
8.1.2 Out-of-Plane Displacement Measurement 84
8.2 Digital Speckle Shearing Interferometry 86
Chapter 9 Digital Image Correlation and Particle Image Velocimetry 90
9.1 Digital Image Correlation 90
9.1.1 Image Correlation Principle 90
9.1.2 Image Correlation Algorithm 91
9.1.3 Image Correlation System 93
9.1.4 Image Correlation Experiment 94
9.2 Particle Image Velocimetry 95
9.2.1 Image Velocimetry Principle 95
9.2.2 Image Velocimetry Algorithm 96
9.2.3 Image Velocimetry System 98
Reference 101
第1章 光测力学基础 102
1.1 光学 102
1.1.1 几何光学 102
1.1.2 物理光学 104
1.2 光波干涉 105
1.3 光波衍射 106
1.4 光波偏振 107
1.5 光学干涉仪 107
1.6 激光器 109
第2章 全息照相与全息干涉 110
2.1 全息照相 110
2.1.1 全息记录 110
2.1.2 全息再现 111
2.2 全息干涉 112
2.2.1 相位计算 112
2.2.2 双曝光全息干涉 112
2.2.3 实时全息干涉 114
2.2.4 时间平均全息干涉 115
2.2.5 实时时间平均全息干涉 117
2.2.6 频闪全息干涉 118
第3章 散斑照相与散斑干涉 121
3.1 散斑照相 121
3.1.1 双曝光散斑照相 121
3.1.2 时间平均散斑照相 124
3.1.3 频闪散斑照相 126
3.2 散斑干涉 127
3.2.1 面内位移测量 127
3.2.2 离面位移测量 128
3.3 散斑剪切干涉 129
第4章 几何云纹与云纹干涉 131
4.1 几何云纹 131
4.1.1 几何云纹形成 131
4.1.2 几何云纹应变测量 132
4.1.3 影像云纹离面位移测量 136
4.1.4 反射云纹斜率测量 138
4.2 云纹干涉 139
4.2.1 实时法面内位移测量 139
4.2.2 差载法面内位移测量 140
第5章 相移干涉与相位展开 142
5.1 相移干涉 142
5.1.1 时间相移干涉 142
5.1.2 空间相移干涉 145
5.2 相位展开 147
第6章 离散变换与低通滤波 149
6.1 离散变换 149
6.1.1 离散傅里叶变换 149
6.1.2 离散余弦变换 152
6.2 低通滤波 154
6.2.1 空域均值平滑滤波 154
6.2.2 空域中值平滑滤波 155
6.2.3 空域自适应平滑滤波 156
6.2.4 频域理想低通滤波 157
6.2.5 频域巴特沃思低通滤波 158
6.2.6 频域指数低通滤波 159
第7章 数字全息照相与数字全息干涉 161
7.1 数字全息照相 161
7.1.1 数字全息记录 161
7.1.2 数字全息再现 162
7.1.3 数字全息实验 163
7.2 数字全息干涉 164
第8章 数字散斑干涉与数字散斑剪切干涉 166
8.1 数字散斑干涉 166
8.1.1 面内位移测量 166
8.1.2 离面位移测量 169
8.2 数字散斑剪切干涉 171
第9章 数字图像相关与粒子图像测速 174
9.1 数字图像相关 174
9.1.1 图像相关原理 174
9.1.2 图像相关算法 175
9.1.3 图像相关系统 177
9.1.4 图像相关实验 177
9.2 粒子图像测速 178
9.2.1 图像测速原理 178
9.2.2 图像测速算法 179
9.2.3 图像测速系统 180
参考文献 183