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Absorption circular dichroism adjustable structure

A technology of circular dichroism and structural unit, applied in the field of structures with adjustable absorption circular dichroism, to achieve the effects of good circular dichroism, simple structure and easy mass production.

Inactive Publication Date: 2019-09-06
西安柯莱特信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] For some optical structures provided in the prior art, the circular dichroism of circularly polarized light is generally about 10%, and rarely more than 20% of the optical structures, circular dichroism has a great deficiency

Method used

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  • Absorption circular dichroism adjustable structure
  • Absorption circular dichroism adjustable structure
  • Absorption circular dichroism adjustable structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] The directions described in the examples: front and back are figure 1 In the y direction shown, left and right are figure 1 shown in the x-direction.

[0032] This embodiment provides a figure 2 The shown absorbing circular dichroism-tunable structure includes multiple structural units 1 arranged periodically, such as figure 1 As shown, the structural unit 1 includes a substrate 5, a first metal nanorod 2, and a second metal nanorod 3; the back side of the first metal nanorod 2 is adjacent to the front side of the second metal nanorod 3 ; The first metal nanorod 2 is inclined to the left, and the second metal nanorod 3 is inclined to the right, so that an angle can be formed between the first metal nanorod 2 and the second metal nanorod 3 The substrate 5 is arranged on the right side of the second metal nanorod 3, and the substrate 5 is made of vanadium dioxide, and the circular dichroism of vanadium dioxide varies significantly at different temperatures, therefore,...

Embodiment 2

[0039] The directions described in the examples: front and back are image 3 In the y direction shown, left and right are figure 1 shown in the x-direction.

[0040] This embodiment provides a Figure 4 The shown absorbing circular dichroism-tunable structure includes multiple structural units 1 arranged periodically, such as image 3 As shown, the structural unit 1 includes a substrate 5, a first metal nanorod 2, and a second metal nanorod 3; the back side of the first metal nanorod 2 is adjacent to the front side of the second metal nanorod 3 ; The first metal nanorod 2 is inclined to the left, and the second metal nanorod 3 is inclined to the right, so that an angle can be formed between the first metal nanorod 2 and the second metal nanorod 3 ; The first metal nanorod 2, the second metal nanorod 3 are all arranged on the top of the substrate 5, and the substrate 5 is cuboid, and the long direction of the substrate 5 is in line with the first metal nanorod 2, the second ...

Embodiment 3

[0046] The directions described in the examples: front and back are image 3 In the y direction shown, left and right are Figure 5 shown in the x-direction.

[0047] This embodiment provides a Figure 6 The shown absorbing circular dichroism-tunable structure includes multiple structural units 1 arranged periodically, such as Figure 5 As shown, the structural unit 1 includes a substrate 5, a first metal nanorod 2, and a second metal nanorod 3; the back side of the first metal nanorod 2 is adjacent to the front side of the second metal nanorod 3 ; The first metal nanorod 2 is inclined to the left, and the second metal nanorod 3 is inclined to the right, so that an angle can be formed between the first metal nanorod 2 and the second metal nanorod 3 The first metal nanorod 2 and the second metal nanorod 3 are all arranged above the substrate 5, and the substrate 5 is provided with a groove 4 at the right side of the second metal nanorod 3; , the charge vibrations on the fir...

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Abstract

The invention relates to an absorption circular dichroism adjustable structure. The structure comprises a plurality of structure units arranged periodically, wherein each structure unit comprises a substrate, a first metal nanorod and a second metal nanorod; a rear side face of the first metal nanorod is adjacent to a front side face of the second metal nanorod; the first metal nanorod inclines leftwards, and the second metal nanorod inclines rightwards; and the substrate is arranged at the right side of the second metal nanorod. The absorption circular dichroism adjustable structure is simplein structure, simple in manufacturing technologies and convenient to make in large scale, has excellent circular dichroism, can improve circular dichroism to about 20%, makes circular dichroism moreoutstanding, and lays the foundation of application of the circular dichroism.

Description

technical field [0001] The invention belongs to the technical field of optical structures, and in particular relates to a structure with adjustable absorption circular dichroism. Background technique [0002] The principle of circularly polarized light is that when the two beams have the same frequency, the vibration directions are perpendicular to each other, and there is a phase relationship of (2n+1 / 2)π, the two plane polarized lights can be superimposed to obtain circularly polarized light; when the linearly polarized light is incident vertically For the quarter-wave plate, if the angle between the vibration direction of the linearly polarized light and the optical axis of the quarter-wave plate is plus or minus 45°, the light emitted from the quarter-wave plate is circularly polarized light. [0003] The absorption and circular dichroism of circularly polarized light have attracted many researchers to study it. How to improve the absorption and circular dichroism of cir...

Claims

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Application Information

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IPC IPC(8): G02B5/30G02B5/00G02B1/00
CPCG02B1/002G02B5/003G02B5/30
Inventor 不公告发明人
Owner 西安柯莱特信息科技有限公司
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