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Books > Professional & Technical > Energy technology & engineering > Electrical engineering
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Light Driven Micromachines (Hardcover)
Loot Price: R5,428
Discovery Miles 54 280
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Light Driven Micromachines (Hardcover)
Expected to ship within 12 - 17 working days
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In Light Driven Micromachines, the fundamental principles and
unique characteristics of light driven material structures, simple
mechanisms and integrated machines are explored. Very small light
driven systems provide a number of interesting features and unique
design opportunities because streams of photons deliver energy into
the system and provide the control signal used to regulate the
response of the micron sized device. Through innovative material
design and clever component fabrication, these optically powered
tiny machines can be created to perform mechanical work when
exposed to varying light intensity, wavelength, phase, and/or
polarization. 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.
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