Finite-difference time-domain studies of light transmission through nanohole structures

Shuford, Kevin L.; Ratner, Mark A.; Gray, Stephen K.; Schatz, George C.

doi:10.1007/s00340-006-2218-x

Cited by 49 publications

(36 citation statements)

References 25 publications

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“…3b. As expected, light transmission decreases exponentially with thickness of the Au films [12]. The simulation result agrees well with the experimental results.…”

Section: Resultssupporting

confidence: 91%

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Investigation of transmission of Au films with nanohole arrays created by nanosphere lithography

et al. 2012

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In this report, we present experimental results of transmittance through nanohole arrays created onto Au films on glass substrates. 110-nm-thick Au films with arrays of nanoholes were fabricated by using self-assembled polystyrene spheres, of which the diameters were reduced to designed values on site by dry etching, as a template. Transmission spectra of the nanostructured Au films show strong enhancement (more than 45%) in a wide range from 300 nm to 1600 nm, the measurement wavelength range. Besides a peak observed at around 500 nm in all spectra, a wider peak on the longer wavelength side was observed, which shifted to longer wavelength when periodicities of the hole arrays were increased.

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“…3b. As expected, light transmission decreases exponentially with thickness of the Au films [12]. The simulation result agrees well with the experimental results.…”

Section: Resultssupporting

confidence: 91%

“…3a and 4, which resulted from the bulk plasmon of the Au film and is an inherent property of the gold material [12,13]. For the nanostructured Au films, besides the bulk plasmon effect, it also conducts surface plasmons due to interaction between the holes.…”

Section: Resultsmentioning

confidence: 99%

Investigation of transmission of Au films with nanohole arrays created by nanosphere lithography

et al. 2012

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“…The peak at λ=500 nm indicated that the interband transition intrinsically exists in gold. 48,49 An FEM simulation, carried out on Au nanohole with a hole diameter d of 140 nm, a pitch p of 400 nm, and a thickness h of 50 nm, indicated the α and β plasmon peaks at λ 1 =646 nm and λ 2 =760 nm, which were comparable to the experimental results as measured in water ( Figure 1B). …”

Section: Characterization Of Nanostructuressupporting

confidence: 78%

Surface plasmon-enhanced fluorescence on Au nanohole array for prostate-specific antigen detection

Zhang¹,

Wu²,

Wong³

et al. 2017

IJN

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“…[26,66,[70][71][72] Their uniformity allows for sensing and imaging of surface binding interactions with high analytical sensitivity down to even submonolayer levels. [4,28,29] The spectroscopic responses of these devices can be shifted across near-IR and visible wavelengths by adjusting feature sizes, spacings, and depths or by more simply adjusting the thin metal film distribution without altering the design rules of the device (the latter avoiding the fabrication of a new lithographic master).…”

Section: Nanostructured Plasmonic Crystalsmentioning

confidence: 99%

Functional Nanostructured Plasmonic Materials

et al. 2010

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Plasmonic crystals fabricated with precisely controlled arrays of subwavelength metal nanostructures provide a promising platform for sensing and imaging of surface binding events with micrometer spatial resolution over large areas. Soft nanoimprint lithography provides a robust, cost-effective method for producing highly uniform plasmonic crystals of this type with predictable optical properties. The tunable multimode plasmonic resonances of these crystals and their ability for integration into lab-on-a-chip microfluidic systems can both be harnessed to achieve exceptionally high analytical sensitivities down to submonolayer levels using even a common optical microscope, circumventing numerous technical limitations of more conventional surface plasmon resonance techniques. In this article, we highlight some recent advances in this field with an emphasis on the fabrication and characterization of these integrated devices and their demonstrated applications.

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Finite-difference time-domain studies of light transmission through nanohole structures

Cited by 49 publications

References 25 publications

Investigation of transmission of Au films with nanohole arrays created by nanosphere lithography

Investigation of transmission of Au films with nanohole arrays created by nanosphere lithography

Surface plasmon-enhanced fluorescence on Au nanohole array for prostate-specific antigen detection

Functional Nanostructured Plasmonic Materials

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