Abstract
Using numerical calculation, we examine the effects of gap distance ofa pair of nano gap silver prisms with rounded corners on the locallight intensity enhancement. Two peaks due to localized surface plasmon(LSP) excitation are observed in a wavelength range from 900 nm to300 nm. The results demonstrate that peaks at a longer and a shorterwavelength corresponded to dipole-like and quadrupole-like LSPresonances, respectively. It is found that a gap distance up to 20 nmprovides larger light intensity enhancement than that of a singlesilver nano prism with rounded corners. Furthermore, nano gap silverprisms are fabricated by direct focused ion beam processing, and wemeasure the scattering light spectrum of a pair of nano prisms by aconfocal optical system. However, the two LSP peaks are not observed invisible range because the sizes of the nano gap and prisms are toolarge.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
