Optical microcavities: single virus detection and nanoparticle trapping

Frank Vollmer; Stephen Arnold

doi:10.1117/12.827264

21 August 2009 Optical microcavities: single virus detection and nanoparticle trapping

Frank Vollmer, Stephen Arnold

Author Affiliations +

Proceedings Volume 7397, Biosensing II; 739702 (2009) https://doi.org/10.1117/12.827264
Event: SPIE NanoScience + Engineering, 2009, San Diego, California, United States

Abstract

Single polystyrene nanoparticles are detected from resonance wavelength fluctuations in toroidal and spherical microcavities. The magnitude of the wavelength-shift signal follows a reactive mechanism with inverse dependence on mode volume. By reducing the size of a microsphere cavity we demonstrate sensitivity to single Influenza A virions. Furthermore, we introduce a novel mechanism for trapping and accumulation of nanoparticles at the microcavity-sensorregion by utilizing light-force exerted in evanescent field gradients.

Citation Download Citation

Frank Vollmer and Stephen Arnold "Optical microcavities: single virus detection and nanoparticle trapping", Proc. SPIE 7397, Biosensing II, 739702 (21 August 2009); https://doi.org/10.1117/12.827264

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

;

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE