Optical Microcavities: Label-free Detection Down to Single Virus Particles

Frank Vollmer; Stephen Arnold

doi:10.1364/LS.2009.LSMG2

Frontiers in Optics 2009/Laser Science XXV/Fall 2009 OSA Optics & Photonics Technical Digest
OSA Technical Digest (CD) (Optica Publishing Group, 2009),
paper LSMG2
•https://doi.org/10.1364/LS.2009.LSMG2

Optical Microcavities: Label-free Detection Down to Single Virus Particles

Frank Vollmer and Stephen Arnold

Laser Science 2009

San Jose, California United States
11–15 October 2009
ISBN: 978-1-55752-878-0

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Micro- and Nanofluidics II (LSMG)

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F. Vollmer and S. Arnold, "Optical Microcavities: Label-free Detection Down to Single Virus Particles," in Frontiers in Optics 2009/Laser Science XXV/Fall 2009 OSA Optics & Photonics Technical Digest, OSA Technical Digest (CD) (Optica Publishing Group, 2009), paper LSMG2.

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Abstract

Binding of Influenza A virus particles is detected from the frequency shift of a microsphere cavity. To overcome limitations posed by diffusion, transport of nanoparticles to the sensing region is enhanced by optical gradient forces.

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