Title :
Lithographically fabricated optical antennas with sub-10nm gaps formed by a sacrifical layer
Author :
Zhu, Wenqi ; Banaee, Mohamad G. ; Crozier, Kenneth B.
Author_Institution :
Sch. of Eng. & Appl. Sci., Harvard Univ., Cambridge, MA, USA
Abstract :
We lithographically fabricate arrays of optical antennas with ~6nm gaps. The enhancement factor from surface-enhanced Raman scattering measurement is ~5 times larger than the same structure with ~18nm gaps.
Keywords :
optical fabrication; surface enhanced Raman scattering; surface plasmons; enhancement factor; lithographically fabricated; optical antennas; sacrifical layer; surface enhanced Raman scattering; Antenna arrays; Chromium; Gold; Lithography; Optical arrays; Optical device fabrication; Optical scattering; Plasmons; Raman scattering; Silver;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
