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conference paper

Ultra-sensitive Infrared Spectroscopy of Proteins with Collective Excitations of Nanoplasmonic Arrays

Adato, Ronen
•
Yanik, Ahmet A.
•
Amsden, Jason J.
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2010
CLEO/QELS: 2010 Laser Science to Photonic Applications
Conference on Lasers and Electro-Optics (CLEO)/Quantum Electronics and Laser Science Conference (QELS)

Short interaction lengths limit the application of infrared absorption spectroscopy to the study monolayer thickness films. We employ periodic infrared antenna arrays to obtain 10(4)-10(5) enhancement of protein absorption signals corresponding to zepto-mole sensitivity.