Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/9599
Title: Fourier transform plasmon resonance spectrometer using nanoslit-nanowire pair
Authors: Uulu, Doolos Aibek
Ashirov, Timur
Polat, Nahit
Yakar, Ozan
Balcı, Sinan
Kocabaş, Coşkun
Polat, Nahit
Yakar, Ozan
Balcı, Sinan
Issue Date: 2019
Publisher: American Institute of Physics
Abstract: In this paper, we present a nanoscale Fourier transform spectrometer using a plasmonic interferometer consisting of a tilt subwavelength slit-nanowire pair on a metallic surface fabricated by the focused ion beam microfabrication technique. The incident broadband light strongly couples with the surface plasmons on the gold surface, and thus, surface plasmon polaritons (SPPs) are generated. The launched SPPs interfere with the incident light and generate high contrast interference fringes in the nanoslit. The transmitted SPPs through the metal nanoslit can decouple into free space and are collected by an objective in the far field. The spectroscopic information of the incidence light is obtained by fast Fourier transform of the fringe pattern of the SPPs. In our design, there is no need for a bulky dispersive spectrometer or dispersive optical elements. The dimension of the spectrometer is around 200 mu m length. Our design is based on inherent coherence of the SPP waves propagating through the subwavelength metal nanoslit structures etched into an opaque gold film.
Description: Yakar, Ozan/0000-0003-1679-8750; Kocabas, Coskun/0000-0003-0831-5552; BALCI, SINAN/0000-0002-9809-8688; Ashirov, Timur/0000-0002-7832-5716
WOS: 000474433800004
URI: https://doi.org/10.1063/1.5092517
https://hdl.handle.net/11147/9599
ISSN: 0003-6951
1077-3118
Appears in Collections:Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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