P Domachuk et al 2007 J. Opt. A: Pure Appl. Opt. 9 S129 doi:10.1088/1464-4258/9/8/S04
P Domachuk1, F G Omenetto1, B J Eggleton2 and M Cronin-Golomb1
Show affiliationsThe optical tweezers effect offers the potential for all-optical control of microfluidic and optofluidic devices. Several possible means for applying optical tweezers to optofluidics are described including the use of polymers to tether transversely trapped microspheres and eliminate the need for axial trapping. Also covered is the use of optically trapped cantilevers to make durable devices and to allow the optically actuated elements to be integrated into the devices during manufacture. Self-aligning fibre-optic confocal detection of backscattered light is used to measure the position of the trapped object with respect to the axis of the trap for application to force sensing.
42.82.Bq Design and performance testing of integrated-optical systems
42.70.Jk Polymers and organics
07.07.Df Sensors (chemical, optical, electrical, movement, gas, etc.); remote sensing
42.82.Cr Fabrication techniques; lithography, pattern transfer
85.85.+j Micro- and nano-electromechanical systems (MEMS/NEMS) and devices
Soft matter, liquids and polymers
Instrumentation and measurement
Issue 8 (August 2007)
Received 26 January 2007, accepted for publication 28 March 2007
Published 23 July 2007
P Domachuk et al 2007 J. Opt. A: Pure Appl. Opt. 9 S129
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