Methods, systems and apparatus for light concentrating mechanisms
An embodiment relates generally to resonant structure. The resonant structure includes a substrate and a nano-bowtie antenna deposited over the substrate. The resonant structure also includes an enclosure deposited over the substrate and surrounding the nano-bowtie antenna, where the enclosure is configured to raise an enhancement level in the nano-bowtie antenna.
1 . A resonant structure comprising:
a substrate;
a nano-bowtie antenna deposited over the substrate; and
an enclosure deposited over the substrate and surrounding the nano-bowtie antenna, wherein the enclosure configured to raise an enhancement level in the nano-bowtie antenna.
2 . The resonant structure of claim 1 , wherein the substrate is fused silica.
3 . The resonant structure of claim 1 , wherein the nano-bowtie antenna is implemented with aluminum.
4 . The resonant structure of 1 , wherein the nano bowtie antenna is patterned using an optical interference.
5 . A resonant structure comprising:
a substrate;
a bulls-eye structure deposited over the substrate wherein the bulls-eye structure further comprises a center aperture that is not a through-hole.
6 . The resonant structure of claim 5 , wherein the bulls-eye structure further comprises plurality of circular metal swaths deposited over the substrate.
7 . The resonant structure of claim 6 , wherein the bulls-eye structure further comprises of circular intervening spaces created between two circular metal swaths.
8 . The resonant structure of claim 5 , further comprising a nano-dipole over the center aperture.
9 . A resonant structure, comprising:
a substrate;
a metal layer deposited over the substrate; and
a metal dipole deposited onto the metal layer, wherein an enhancement area is created within a gap in the metal dipole.
10 . The resonant structure of claim 9 , wherein the substrate is fused silica.
11 . The resonant structure of claim 9 , further comprising one of a Qdot and an upconverting phosphor in the enhancement area.
12 . The resonant structure of claim 9 comprising a plurality of nano bowtie antennas, each antenna having a different length from each other and at a different angle.
13 . A method for creating resonant structures, the method comprising:
depositing a layer of photo resist over a substrate;
patterning the photo resist to create at least one resonant structure;
exposing the photo resist to solidify the exposed photo-resist;
washing the photoresist;
depositing a layer of metal; and
removing the photoresist and respective metal.
14 . The method of claim 13 , wherein the photo resist patterning is performed using an optical interference technique.
15 . The method of claim 13 , wherein the resonant structure is further associated with one of a Qdot and an upconverting phosphor.
16 . The method of claim 13 , wherein the substrate comprises a fused silica over which the layer of photo resist is deposited.
17 . The method of claim 13 , wherein the resonant structure is formed as a nano-bowtie antenna or bulls-eye antenna.
18 . The method of claim 17 , wherein the resonant structure is formed as a plurality of nano bowtie or bulls-eye antennas, wherein at least some of the antennas are formed to have differing characteristics.
19 . The method of claim 18 , wherein the differing characteristics of the nano bowtie or bulls-eye antennas are reflected in differing lengths or sizes from each other.
20 . The method of claim 18 , wherein the differing characteristics of the nano bowtie or bulls-eye antennas antennas are reflected in differing angles or placements from each other.