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Conference paper

Self-mixing interferometry in VCSELs for nanomechanical cantilever sensing

By Larsson, David1,2; Greve, Anders3,4,5; Hvam, Jørn Märcher2,6; Boisen, Anja3,4,5; Yvind, Kresten1,2

From

Nanophotonic Devices, Department of Photonics Engineering, Technical University of Denmark1

Department of Photonics Engineering, Technical University of Denmark2

Nanoprobes Group, NanoSystemsEngineering Section, Department of Micro- and Nanotechnology, Technical University of Denmark3

NanoSystemsEngineering Section, Department of Micro- and Nanotechnology, Technical University of Denmark4

Department of Micro- and Nanotechnology, Technical University of Denmark5

Quantum and Laser Photonics, Department of Photonics Engineering, Technical University of Denmark6

We have investigated optical read-out of uncoated polymer micrometer-sized cantilever sensors by self-mixing interference in VCSELs for single-molecule gas sensing. A resolution ~0.2 nm is measured, which is much better than current methods.

Language: English
Publisher: IEEE
Year: 2009
Pages: 1-2
Proceedings: Conference on Lasers and Electro‐Optics (CLEO)/International Quantum Electronics Conference (IQEC)
ISBN: 1557528691 and 9781557528698
ISSN: 21609004 and 21608989
Types: Conference paper
DOI: 10.1364/CLEO.2009.CMG2
ORCIDs: Hvam, Jørn Märcher , Boisen, Anja and Yvind, Kresten
Keywords

(250.7260) Vertical cavity emitting lasers (280.3420) Laser sensors Biomedical optical imaging Laser feedback Optical feedback Optical interferometry Optical polymers Optical sensors Output feedback Reflectivity Surface emitting lasers Vertical cavity surface emitting lasers

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