Benpeng Zhu is a Professor at the School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, China. Professor Zhu is also a member of the IEEE. Di Ke is a PhD student at the Huazhong University of Science and Technology, China. Tao Zhang is an Assistant Professor in Control Engineering at the Huazhong University of Science and Technology, China.

• Author Biography vii1 From Photoacoustic Effect to Laser-generated Ultrasound Technology 11.1 Discovery of the Photoacoustic Effect 21.2 The Emergence of Photoacoustic Technology 31.3 Photoacoustic Technology in Biomedical Applications 51.3.1 Photoacoustic Imaging Technology 51.3.2 Laser-Generated Ultrasound Technology 7References 82 Laser-Generated Ultrasound Theory 132.1 Photo-Thermal-Acoustic Conversion Model 132.2 Laser-Induced Damage Threshold Theory 162.3 Frequency Characteristic of Laser-Generated Ultrasound 20References 233 Laser-Generated Ultrasound Device 253.1 Light-absorbing Material 273.1.1 Metal-PDMS Devices 293.1.2 Carbon Nanomaterials-PDMS Devices 303.1.2.1 Carbon Black 333.1.2.2 Carbon Nanofibers 343.1.2.3 Candle-Soot Nanoparticles 353.1.2.4 Carbon Nanotubes 363.1.2.5 Graphite, Graphene, and Reduced Graphene Oxide 403.1.3 Other Composite Material Devices 423.1.3.1 Ink 443.1.3.2 Quantum Dot Material CuInS 2 (CIS) 443.1.3.3 Photostable Dyes 453.1.3.4 Perovskite (MAPbI 3) 453.1.3.5 2D Transition Metal Carbide/Nitride (MXene) 463.2 Thermal Expansion Material 463.2.1 Polymethylmethacrylate (PMMA) 473.2.2 Polydimethylsiloxane (PDMS) 483.2.2.1 Composite Methods of PDMS 493.2.2.2 Optimization of PDMS—Self-healing PDMS 493.2.2.3 Preparation Process and Structural Characteristics of Self-Healing PDMS 503.2.2.4 Realization Mechanism of PDMS Self-Healing 503.2.3 Ecoflex 503.3 Summary 52References 534 All-optical Ultrasound Imaging 574.1 Optical Ultrasound Generation 584.1.1 Free-space Excitation 594.1.2 Optical Fiber Excitation 604.2 Optical Ultrasound Reception Technology 604.2.1 Microring Resonator (MRR) 614.2.2 Fabry–Pérot Resonator 624.2.3 Fiber-optic Bragg Grating (FBG) 634.3 All-Optical Ultrasound Imaging Systems 644.3.1 Single-Element-based Systems 654.3.2 Array-based Systems 834.4 Summary 87References 885 Laser-Generated Ultrasound Therapy 935.1 Neuromodulation 945.2 Drug Delivery 1075.3 Tissue Cutting and Ablation 1105.4 Summary 115References 115Index 118