It is highly likely that future micro and nano-mechanical systems will be powered by light. However, the development of
such micro and nano-mechanical systems is still in its infancy. Potential advantages include remote triggering and
actuation, remote energy transmission, solar energy scavenging for useful work, and wavelength selectivity of actuation.
In recent years, carbon based nano-materials such as carbon nanotubes have shown highly interesting optical to
mechanical energy conversion. The development of optical to mechanical energy transducing mechanisms into practical
applications is still in its infancy. Only a few devices have been reported till date. This paper presents some of the recent
developments in the area of nanotube based photomechanical actuators with emphasis on micro and nanooptomechanical
systems. Devices namely micro-cantilevers for detection of free PSA, micro-grippers for manipulation
of small particles and micro-mirrors for light modulation have been developed that show both translational and
rotational actuation. Finally, integrating nanowires on these platforms could lead to the development of nanooptomechanical
systems. The future research of such systems and how they can play an integral part in electronics,
sensing and actuation by integrating nanotechnology with mechanics, optics and electronics is discussed.o
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