Title :
‘Wiggler-Waggler’ — Optical measurements of complex viscoelastic moduli
Author :
Bennett, James S. ; Baudisch, Bastian ; Preece, Daryl ; Nieminen, Timo A. ; Heckenberg, Norman R. ; Rubinsztein-Dunlop, Halina
Author_Institution :
Sch. of Math. & Phys., Univ. of Queensland, Brisbane, QLD, Australia
fDate :
Aug. 28 2011-Sept. 1 2011
Abstract :
We demonstrate the simultaneous optical measurement of the viscoelastic modulus at many frequencies by active rotational `Fourier´ microrheology. This was achieved by employing a birefringent vaterite microsphere probe in a dual-beam optical tweezers apparatus.
Keywords :
Fourier transform optics; micro-optics; microfluidics; optical variables measurement; radiation pressure; viscoelasticity; Fourier microrheology; Wiggler-Waggler; birefringent vaterite microsphere probe; complex viscoelastic moduli; dual-beam optical tweezers apparatus; optical measurements; viscoelastic modulus; Biomedical optical imaging; Fluids; Optical filters; Optical polarization; Optical variables measurement; Probes; Torque;
Conference_Titel :
Quantum Electronics Conference & Lasers and Electro-Optics (CLEO/IQEC/PACIFIC RIM), 2011
Conference_Location :
Sydney, NSW
Print_ISBN :
978-1-4577-1939-4
DOI :
10.1109/IQEC-CLEO.2011.6194051
