Morphology-dependent transmission through photonic crystals

Tobias, John M.; Ajgaonkar, M.; Grebel, Haim

doi:10.1364/josab.19.000385

Cited by 6 publications

(13 citation statements)

References 9 publications

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“…8. The resonance mode shifts to longer wavelengths, and obviously the stacking mode at 1 (SC) ϭ 32 mm disappears for the BCC structure, as mentioned above.…”

Section: B Spacing Sphere Diameter and Phase Transitionsupporting

confidence: 52%

“…3, estimated from simulation results. The value of the first-order stacking mode 1 (SC) should be close to 2a ϭ 40 mm, and therefore from Fig. 3 we assign it to the peak at 1 (SC) ϭ 42 mm.…”

Section: Cubic Latticementioning

confidence: 81%

“…This is because the base structure is composed of two relatively shifted sublayers. 9 One mode is assigned to the peak at 1 (RBCC) ϭ 18 mm and the other to the peak at 2 (RBCC) ϭ 22 mm. The first-order stacking mode (SBCC) is assigned to the peak at 1 (SBCC) ϭ 22 mm.…”

Section: Body-centered Cubic Latticementioning

confidence: 99%

“…[1][2][3][4][5] The complex characteristic of the corresponding wave propagation 6 has led researchers to investigate simpler three-dimensional forms composed of stacks of inductive two-dimensional screens, where inductive screens are simply metallic screens with holes. [7][8][9] Such an approach has a direct root in linear filter systems in which the peak resonance wavelength depends on the geometrical dimension and arrangement of the holes.…”

Section: Introductionmentioning

confidence: 99%

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Three-dimensional metallo-dielectric photonic crystals with cubic symmetry as stacks of two-dimensional screens

et al. 2005

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Metallo-dielectric photonic crystals with cubic symmetries have been studied here both experimentally and theoretically in the millimeter wavelength region (15-60 mm). In a direct analogy to linear systems, we considered the three-dimensional lattices as a stack of two-dimensional resonating screens. The overall threedimensional structure was introduced in the calculation through a structural phase. Such an approach proved useful in understanding the related mode propagation and guided us in a study of the transition between cubic and centered body cubic symmetries.

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“…8. The resonance mode shifts to longer wavelengths, and obviously the stacking mode at 1 (SC) ϭ 32 mm disappears for the BCC structure, as mentioned above.…”

Section: B Spacing Sphere Diameter and Phase Transitionsupporting

confidence: 52%

Section: Cubic Latticementioning

confidence: 81%

Section: Body-centered Cubic Latticementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Three-dimensional metallo-dielectric photonic crystals with cubic symmetry as stacks of two-dimensional screens

et al. 2005

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“…Thus, for normally incident beam, the fluorescing signal will depend on the in-plane rotation angle with respect to the linearly polarized state. 22 The symmetry of the hole array will dictate the number of cycles upon full rotation. For hexagonal array of holes there would be symmetry of 60°or its multiple.…”

Section: Appendix: Optimal Fluorescence Conditions With An Array Of Hmentioning

confidence: 99%

Polarization-dependent fluorescence of proteins bound to nanopore-confined lipid bilayers

Marek

Smirnov

et al. 2008

The Journal of Chemical Physics

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Lipid bilayers are essential structural component of biological membranes of all the living species: from viruses and bacteria to plants and humans. Biophysical and biochemical properties of such membranes are important for understanding physical mechanisms responsible for drug targeting. Binding events between proteins and the membrane may be ascertained by introducing fluorescence markers ͑chromophores͒ to the proteins. Here we describe a novel biosensing platform designed to enhance signals of these fluorescence markers. Nanoporous aluminum oxide membranes with and without gold ͑Au͒ surface coating have been employed for optical detection of bound conjugated streptavidin to biotinylated lipid bilayers-a model system that mimics protein docking to the membrane surface. Unexpectedly, it was found that fluorescence signals from such structures vary when pumped with E-polarized and H-polarized incident optical beams. The origin of the observed polarization-dependent effects and the implications for enhanced fluorescence detection in a biochip format are being discussed.

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Raman spectroscopy with graphenated anodized aluminum oxide substrates

Banerjee

Grebel

2009

Nanotechnology

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We measured the Raman scattering of graphene deposited nanohole arrays. As the sample was azimuthally rotated, periodicities of 7.5 degrees and 5 degrees were revealed for the 2700 cm(-1) and 1600 cm(-1) Raman lines of graphene, respectively. This is contrary to the scattered laser line azimuthal symmetry of 30 degrees for the hole array alone. When a reference dye (stilbene) was deposited on the graphenated platforms, its Raman peak shifted as a function of incident (tilt) angle; this was contrary to the unshifted 1600 cm(-1) peak of graphene itself. The data suggest strong coupling between the molecular vibrations as portrayed by Raman spectra and surface plasmon polariton waves propagating along the graphene surface.

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Morphology-dependent transmission through photonic crystals

Cited by 6 publications

References 9 publications

Three-dimensional metallo-dielectric photonic crystals with cubic symmetry as stacks of two-dimensional screens

Three-dimensional metallo-dielectric photonic crystals with cubic symmetry as stacks of two-dimensional screens

Polarization-dependent fluorescence of proteins bound to nanopore-confined lipid bilayers

Raman spectroscopy with graphenated anodized aluminum oxide substrates

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