1461185820-905772f1-9b54-42b0-b125-339ccb21c50b

1. A metamaterial structure, comprising:
a substrate;
a quantum dot layer; and
a resonance layer formed between the substrate and the quantum dot layer and having two rectangular holes which are formed to cross each other so that resonance occurs at two different resonance wavelengths.
2. The metamaterial structure of claim 1, wherein the two different resonance wavelengths comprise a resonance wavelength of incident light which excites quantum dots of the quantum dot layer and a resonance wavelength of light produced by the excited quantum dots.
3. The metamaterial structure of claim 2, wherein a length of a long side of one of the two rectangular holes is calculated by a resonance wavelength equation of incident light which excites the quantum dots, and
a length of a long side of the other of the two rectangular holes is calculated by a resonance wavelength equation of light produced by the excited quantum dots.
4. The metamaterial structure of claim 1, wherein the two different resonance wavelengths are calculated by the following equation:
(Resonance wavelength)=\u03b1* (length of a long side)+\u03b2,

wherein the \u03b1 is a proportional constant for a relation between the resonance wavelength and the length of the long side, and the \u03b2 is a correction value for correcting an error caused between the resonance wavelength and the length of the long side, and the length of the long side is a length of a long side of each of the two rectangular holes.
5. The metamaterial structure of claim 4, wherein the length of the long side is 70-250 nm.
6. The metamaterial structure of claim 1, wherein the two rectangular holes are formed to be orthogonal to each other.
7. The metamaterial structure of claim 1, wherein the long side of each of the two rectangular holes is a different length.
8. The metamaterial structure of claim 1, wherein the resonance layer comprises conductive materials, the conductive materials include at least one of metals, alloys, 2-dimensional materials, topological insulators and hybrid type structures.
9. The metamaterial structure of claim 1, wherein the resonance layer resonates with light of UV range and light of visible range.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An adaptor for coupling with a sealed vial and for maintaining a pressure within the vial as contents are removed therefrom, the adaptor comprising:
a flexible receptacle;
a first channel housing at least a portion of the receptacle and configured to be in fluid communication with an environment separate from the contents of the vial; and
a second channel for removing at least a portion of the contents of the vial,
wherein the receptacle is configured to expand and accommodate inflow from the environment as fluid is removed from the vial such that the environment remains separate from the contents of the vial.