Tunable metamaterial polarizer and manufacturing method thereof

A technology of metamaterials and polarizers, applied in the direction of instruments, nonlinear optics, optics, etc., can solve problems such as difficulty in integration, size reduction, and large size, and achieve the effects of easy integration, size reduction, and broadening the scope of application

Active Publication Date: 2019-08-20
HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY
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  • Abstract
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Problems solved by technology

[0003] By providing a tunable metamaterial polarizer and its manufacturing method, the present invention solves the technical problems of large volume, difficulty in integration, and very limited working wavelength range in the prior art, and realizes reduction in volume, easy integration, and widening of working wavelength Technical Effects of Applicability

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  • Tunable metamaterial polarizer and manufacturing method thereof
  • Tunable metamaterial polarizer and manufacturing method thereof
  • Tunable metamaterial polarizer and manufacturing method thereof

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Embodiment Construction

[0034] The embodiment of the present invention provides a tunable metamaterial polarizer and its manufacturing method, which solves the technical problems of large volume, difficulty in integration, and very limited working wavelength range in the prior art, and realizes reduced volume, easy integration, and broadened working range. The technical effect of the applicable range of wavelengths.

[0035] The technical solution in the embodiment of the present invention is to solve the above-mentioned problems, and the general idea is as follows:

[0036] A metamaterial array composed of a doped semiconductor metamaterial resonant unit on the substrate, the first power port of the resonant unit is connected to the positive pole of the regulating power supply, and the second power port of the resonant unit is connected to the negative pole of the regulating power supply, avoiding the linear polarization The polarizer is constructed by using a polarizer and a quarter-wave plate, whi...

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Abstract

The invention discloses a tunable metamaterial polarizer and a manufacturing method thereof. A metamaterial array formed by a doped semiconductor metamaterial resonance unit is arranged on a substrate. A first power port of a resonance unit is connected to a positive pole of a regulation power supply, and a second power port of the resonance unit is connected to a negative pole of the regulation power supply. A condition that a line polarizer and a quarter-wave plate are used to construct the polarizer is avoided, a size is reduced and integration is easy. In addition, a concentration of internal carriers in a semiconductor is adjusted through an external electric field, and electromagnetic resonance intensity of a metamaterial is dynamically regulated so that requirements of different working wavelengths of the polarizer are satisfied, and an application range of the working wavelengths is widened.

Description

technical field [0001] The invention relates to the technical field of optical devices, in particular to a tunable metamaterial polarizer and a manufacturing method thereof. Background technique [0002] With the development of modern optical devices, circular polarizers, as an important polarization component in the optical field, have remarkable applications in polarization splitting, color display, laser technology, bio-optical imaging and sensing, etc. At present, traditional circular polarizers are usually constructed using two separate components, a linear polarizer and a quarter-wave plate, which results in the traditional circular polarizer being bulky and difficult to integrate. In addition, in principle, the quarter-wave plate is only suitable for electromagnetic waves of a certain wavelength, so the working wavelength range is very limited. Contents of the invention [0003] By providing a tunable metamaterial polarizer and its manufacturing method, the present...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/01G02F1/00
CPCG02F1/0136G02F1/0009
Inventor 闵力王文进罗文华文于华李照宇邹新长刘均
Owner HUNAN INSTITUTE OF SCIENCE AND TECHNOLOGY
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