Title :
Ultra-sensitive infrared spectroscopy of proteins with collective excitations of nanoplasmonic arrays
Author :
Adato, Ronen ; Yanik, Ahmet A. ; Amsden, Jason J. ; Kaplan, David L. ; Omenetto, Fiorenzo G. ; Hong, Mi K. ; Erramilli, Shyamsunder ; Altug, Hatice
Author_Institution :
Dept. of Electr. & Comput. Eng., Boston Univ., Boston, MA, USA
Abstract :
Short interaction lengths limit the application of infrared absorption spectroscopy to the study monolayer thickness films. We employ periodic infrared antenna arrays to obtain 104−105 enhancement of protein absorption signals corresponding to zepto-mole sensitivity.
Keywords :
Antenna arrays; Electromagnetic wave absorption; Finite difference methods; Infrared spectra; Plasmons; Proteins; Reflectivity; Resonance; Spectroscopy; Time domain analysis;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
