An optical zoom system based on double-layer dielectric metasurface
An optical zoom and metasurface technology, applied in the field of optical zoom systems, can solve the problems of high complexity of metasurface optical zoom systems, additional requirements for work space, small zoom range, etc., and achieve excellent optical zoom capabilities, small length, and structure The effect of high utilization
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0091] Figure 4 It is a top view of the structure of the first layer of the super-surface of the optical zoom system based on the double-layer medium super-surface provided in Embodiment 1; Figure 5 It is the top view of the structure of the second metasurface of the optical zoom system based on the double-layer dielectric metasurface provided in Example 1. The focusing behavior of the incident light is simulated by the FDTD algorithm, and the wavelength of the incident light is set to 254nm. The light is a linearly polarized plane wave.
[0092] In Embodiment 1, the width L of the alumina substrate of the basic unit is 100 nm, the height H of the aluminum nitride dielectric column is 250 nm, and the diameter of the cylindrical dielectric column is 10-100 nm.
[0093] First, the regulation of the phase and amplitude of the incident light by the cylindrical dielectric cylinder is investigated. Use the finite difference time domain method (FDTD) for simulation experiments, set the ...
Embodiment 2
[0104] Figure 7 It is a top view of the structure of the first layer of the super-surface of the optical zoom system based on the double-layer medium super-surface provided in Embodiment 2; Figure 8 It is the top view of the structure of the second metasurface of the optical zoom system based on the double-layer dielectric metasurface provided in Example 2. The focusing behavior of the incident light is simulated by the FDTD algorithm, and the wavelength of the incident light is set to 532nm. The light is a linearly polarized plane wave.
[0105] In Embodiment 1, the width L of the silicon dioxide substrate of the basic unit is 350 nm, the height H of the silicon nitride dielectric column is 700 nm, and the diameter of the cylindrical dielectric column is 40-320 nm.
[0106] First, the regulation of the phase and amplitude of the incident light by the cylindrical dielectric cylinder is investigated. Use the finite difference time domain method (FDTD) for simulation experiments, s...
Embodiment 3
[0117] Picture 10 It is a top view of the structure of the first layer of the supersurface of the optical zoom system based on the double-layer medium supersurface provided in Embodiment 3; Picture 11 It is the top view of the structure of the second metasurface of the optical zoom system based on the double-layer dielectric metasurface provided in Example 3. The focusing behavior of the incident light is simulated by the FDTD algorithm, and the wavelength of the incident light is set to 1550nm. The light is a linearly polarized plane wave.
[0118] In Embodiment 3, the width L of the silicon dioxide substrate of the basic unit is 600 nm, the height H of the silicon nitride dielectric column is 700 nm, and the diameter of the cylindrical dielectric column is 80-520 nm.
[0119] First, the regulation of the phase and amplitude of the incident light by the cylindrical dielectric cylinder is investigated. Use the finite difference time domain method (FDTD) to carry out the simulatio...
PUM
Property | Measurement | Unit |
---|---|---|
diameter | aaaaa | aaaaa |
height | aaaaa | aaaaa |
diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com