
Light Driven Micromachines
Description
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The book begins with the scientific background necessary to understand the nature of light and how light can initiate physical movement by inducing material deformation or altering the surrounding environment to impose micro-forces on the actuating mechanisms. The impact of physical size on the performance of light driven mechanisms and machines is discussed, and the nature of light-material interactions is reviewed. These interactions enable very small objects and mechanical components to be trapped and manipulated by a focused light beam, or produce local temperature gradients that force certain materials to undergo shape transformation. Advanced phase transition gels, polymers, carbon-based films and piezoelectric ceramics that exhibit direct light-to-mechanical energy conversion are examined from the perspective of designing optically driven actuators and mechanical systems. The ability of light to create photothermal effects that drive microfluidic processes and initiate the phase transformation of temperature sensitive shape memory materials are also explored in the book.
This compendium seeks to inspire the next generation of scientists and engineers by presenting the fundamental principles of this emerging interdisciplinary technology and exploring how the properties of light can be exploited for microfluidic, microrobotic, biomedical and space applications.
Reviews / Votes
"The book is beneficial to all researchers in the area of optics, since the subject of the book is developing very fast due to advanced micro- and nanotechnologies."--Mircea Dragoman, National Research Institute in Microtechnology, Romania
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Persons
Kenji Uchino is a Professor in the Departments of Electrical Engineering and Materials Science & Engineering at The Pennsylvania State University (USA). He is also the founding director of International Center for Actuators and Transducers and a pioneer in the area of piezoelectric actuators. His research interest is in solid state physics, especially in ferroelectrics and piezoelectrics, including basic research on theory, materials, device designing and fabrication processes, as well as application development of solid state actuators/sensors for precision positioners, micro-robotics, ultrasonic motors, smart structures, piezoelectric transformers and energy harvesting. Professor Uchino's research activities have resulted in a number of important discoveries and/or inventions including lead magnesium niobate (PMN)-based electrostricive materials, cofired multilayer piezoelectric
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