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Title of Journal: Plasmonics

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Abbravation: Plasmonics

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Springer US

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DOI

10.1007/bf02486149

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ISSN

1557-1963

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NearField Optical Analysis of Plasmonic NanoProb

Authors: Neha Mishra G V Pavan Kumar
Publish Date: 2011/12/10
Volume: 7, Issue: 2, Pages: 359-367
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Abstract

Topillumination tipenhanced Raman scattering TITERS has recently emerged as a promising nearfield vibrational spectroscopy method that can be adapted on an upright optical microscope With a relatively simplified optics TITERS can probe both opaque and transparent samples making them a promising tool in nanoscale chemical analysis One of the critical components of TITERS is the plasmonic nanotip used to enhance the Raman spectroscopic signature Herein we numerically studied the nearfield optical properties of conventional gold tip 20 nm radius of curvature and two varieties of optical antennabased tips in the context of TITERS Optical antennabased tips included a 40nm gold nanoparticle attached to a dielectric tip and a 50nm equilateral gold nanotriangle attached to a dielectric tip We evaluated the Raman enhancement spectra as a function of experimental variables such as underlying substrate and angle of the tip with respect to substrate normal Our analysis revealed that conventional gold tip facilitates superior enhancement and optical antennabased tips facilitate superior spectral bandwidth and lateral resolution in TITERS configuration Tips with higher enhancement can be harnessed for ultrasensitive measurements and tips with broader spectral bandwidth can be utilized to enhance both Stokes and antiStokes component of the Raman spectra


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Other Papers In This Journal:

  1. Plasmon-Assisted Enhancement and Tuning of Optical Properties in β- In 2 S 3 Quantum Dots
  2. Superfocusing and Light Confinement by Surface Plasmon Excitation Through Radially Polarized Beam
  3. Optimization of Dielectric-Coated Silver Nanoparticle Films for Plasmonic-Enhanced Light Trapping in Thin Film Silicon Solar Cells
  4. Plasmonic Enhancement by a Continuous Gold Underlayer: Application to SERS Sensing
  5. Plasmon-Induced Photon Manipulation by Ag Nanoparticle-Coupled Graphene Thin-Film: Light Trapping for Photovoltaics
  6. Impedance Matching Induce High Transmission and Flat Response Band-Pass Plasmonic Waveguides
  7. Optical Properties and Local Electromagnetic Field Enhancement of Periodic Rectangular Nanohole Arrays in Au-Interlayer-Au Multilayer Films
  8. Surface Plasmon Polariton Modes at Interface of a Metal and an Ambichiral Sculptured Thin Film
  9. Dual Symmetry Breaking in Gold-Silica-Gold Multilayer Nanoshells
  10. Tunable Nonreciprocal Tunneling Based on Nonsymmetric Magnetoplasmonic Resonance Structure
  11. Effect of Edge Rounding on the Extinction Properties of Hollow Metal Nanoparticles
  12. Multi-Band Ultra-Sharp Transmission Response in All-Dielectric Resonant Structures Containing Kerr Nonlinear Media
  13. Optical Filter Design Using Background Wavelength Processing Techniques
  14. High-Sensitivity Refractive Index Sensor Based on D-Shaped Photonic Crystal Fiber with Rectangular Lattice and Nanoscale Gold Film
  15. Optical Manipulation of Dielectric Nanoparticles with Au Micro-racetrack Resonator by Constructive Interference of Surface Plasmon Waves
  16. Tailoring Infrared Refractory Plasmonic Material to Broadband Circularly Polarized Thermal Emitter
  17. Numerical study of nanoparticle sensors based on the detection of the two-photon-induced luminescence of gold nanorod antennas
  18. Strain Sensitivity of Electric-Magnetic Coupling in Flexible Terahertz Metamaterials
  19. Topology Optimization-Based Computational Design Methodology for Surface Plasmon Polaritons
  20. Transmitive Spectral SPR Droplet Biosensing: Principle, Sensor Design, and Experimental Demonstration
  21. Near and Far-Field Properties of Nanoprisms with Rounded Edges
  22. Dual-Band Plasmonic Enhancement of Ag-NS@SiO 2 on Gain Medium’s Spontaneous Emission
  23. Emission and Transmission Properties of a Doubly Resonant 3D Nanodisk Yagi–Uda Antenna for Wireless Optical Communications
  24. Improving the Sensitivity of Fiber Surface Plasmon Resonance Sensor by Filling Liquid in a Hollow Core Photonic Crystal Fiber
  25. Near-Field Optical Experimental Investigation of Gold Nanohole Array
  26. Optical Curtain Effect: Extraordinary Optical Transmission Enhanced by Antireflection
  27. Plasmonic Tuning of Photoluminescence from Semiconducting Quantum Dot Assemblies
  28. A Three-Dimensional Plasmonic Nanostructure with Extraordinary Optical Transmission
  29. Spectral Red-Shift and Pulse Splitting in Nonlinear Dielectric-Loaded Plasmonic Waveguide
  30. Tunable Properties of Surface Plasmon Resonances: The Influence of Core–Shell Thickness and Dielectric Environment
  31. Chirality Switching Via Rotation of Bilayer Fourfold Meta-Structure
  32. A Plasmonic Wavelength-Selected Intersection Structure

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