by Ng Chiu-king. / Title also in Chinese characters. / Thesis (Ph.D.)--Chinese University of Hong Kong, 1994. / Includes bibliographical references (leaves 189-195). / ACKNOWLEDGEMENTS --- p.v / ABSTRACT --- p.vi / Chapter CHAPTER 1 --- INTRODUCTION --- p.1 / Chapter CHAPTER 2 --- STANDARD MIE SCATTERING AND MORPHOLOGY DEPENDENT RESONANCES --- p.5 / Chapter 2.1 --- General Descriptions --- p.6 / Chapter 2.1.1 --- Nonresonant Scattering --- p.13 / Chapter 2.1.1.1 --- Internal Intensity --- p.13 / Chapter 2.1.1.2 --- Understanding in Terms of Geometric Optics --- p.14 / Chapter 2.1.2 --- Resonances --- p.19 / Chapter 2.1.2.1 --- Q-factor --- p.23 / Chapter 2.1.2.2 --- Internal Intensity --- p.25 / Chapter 2.1.2.3 --- Understanding in Terms of Geometric Optics --- p.28 / Chapter 2.2 --- Theories --- p.31 / Chapter 2.2.1 --- Nonresonances --- p.31 / Chapter 2.2.2 --- Resonances --- p.32 / Chapter 2.2.2.1 --- TE Mode in Lorentzian Form --- p.32 / Chapter 2.2.2.2 --- Degradation due to Absorption --- p.35 / Chapter 2.2.3 --- Response to a Pulse --- p.37 / Chapter 2.2.3.1 --- Nonresonant Modes --- p.38 / Chapter 2.2.3.2 --- Resonant Modes --- p.39 / Chapter CHAPTER 3 --- NONLINEAR MIE SCATTERING AND THE PROPOSED MECHANISMS --- p.42 / Chapter 3.1 --- NRL Experiment --- p.42 / Chapter 3.1.1 --- Observations --- p.42 / Chapter 3.1.2 --- Parameters --- p.43 / Chapter 3.1.3 --- Evidence of Q Degradation --- p.45 / Chapter 3.2 --- Proposed Mechanisms --- p.49 / Chapter 3.2.1 --- Volume Perturbation due to electrostrictively Generated Acoustic Waves --- p.50 / Chapter 3.2.2 --- Surface Perturbation due to Shape Distortion --- p.50 / Chapter 3.2.3 --- Stimulated Brillouin Scattering --- p.51 / Chapter 3.2.4 --- Bubbles Formation --- p.52 / Chapter 3.3 --- Envelope Fluctuation --- p.53 / Chapter CHAPTER 4 --- ELECTROSTRICTION AND THE PERTURBATION THEORY OF THE LINEWIDTH --- p.55 / Chapter 4.1 --- Electrostriction --- p.55 / Chapter 4.2 --- Perturbation of the Linewidth --- p.42 / Chapter 4.2.1 --- Theory --- p.58 / Chapter 4.2.2 --- Remarks --- p.60 / Chapter CHAPTER 5 --- ELECTROSTRICTIVELY GENERATED ACOUSTIC VIBRATIONS --- p.64 / Chapter 5.1 --- Estimate of Density Change --- p.64 / Chapter 5.2 --- Pressure Disturbances --- p.65 / Chapter 5.3 --- Electrostrictively Coupled Coefficients --- p.67 / Chapter 5.4 --- Validity of Impulse Approach --- p.70 / Chapter 5.5 --- An Expedient Model --- p.71 / Chapter 5.5.1 --- Fractional Change in Density --- p.73 / Chapter 5.5.2 --- Q Degradation --- p.81 / Chapter 5.6 --- Exact Result --- p.88 / Chapter 5.7 --- Nonimpulse Approach to Resonant Mode --- p.89 / Chapter 5.7.1 --- Results --- p.91 / Chapter 5.8 --- Chapter Conclusion --- p.93 / Chapter CHAPTER 6 --- LOW-FREQUENCY SURFACE OSCILLATIONS --- p.94 / Chapter 6.1 --- Surface Bulging --- p.95 / Chapter 6.1.1 --- Equation of Motion --- p.97 / Chapter 6.1.2 --- Results --- p.100 / Chapter 6.1.3 --- Justification of Incompressibi1ity --- p.109 / Chapter 6.2 --- Q Degradation --- p.110 / Chapter 6.2.1 --- Experimental Situation --- p.111 / Chapter 6.2.1.1 --- Single Pulse --- p.114 / Chapter 6.2.1.2 --- Pulse Train --- p.116 / Chapter 6.2.2 --- Hypothetical Bulging --- p.119 / Chapter 6.3 --- Further Investigations --- p.123 / Chapter 6.4 --- Chapter Conclusion --- p.130 / Chapter CHAPTER 7 --- STIMULATED BRILLOUIN SCATTERING --- p.131 / Chapter 7.1 --- General Descriptions --- p.132 / Chapter 7.1.1 --- Resonant SBS --- p.133 / Chapter 7.1.2 --- One Gain Mode --- p.136 / Chapter 7.2 --- SBS Pressure Disturbances --- p.137 / Chapter 7.3 --- Pulse Train --- p.140 / Chapter 7.3.1 --- Necessity of Projection --- p.141 / Chapter 7.3.2 --- Amplitude of Projected Mode --- p.143 / Chapter 7.4 --- Results --- p.145 / Chapter 7.5 --- Remarks --- p.150 / Chapter 7.6 --- Chapter Conclusion --- p.155 / Chapter CHAPTER 8 --- BUBBLE FORMATION --- p.156 / Chapter 8.1 --- Degradation due to Cavitations --- p.157 / Chapter 8.2 --- Coalescence of Gas Bubbles --- p.159 / Chapter 8.3 --- Acoustic Cavitation --- p.161 / Chapter 8.4 --- Chapter Conclusion --- p.165 / Chapter CHAPTER 9 --- CONCLUSION AND DISCUSSION --- p.166 / APPENDIX A --- p.170 / APPENDIX B --- p.175 / APPENDIX C --- p.180 / APPENDIX D --- p.184 / APPENDIX E --- p.187 / REFERENCES --- p.189