Modeling and Design Optimization of High Frequency Micro and Nano Structures Exploiting Adjoint Sensitivity Analysis
利用伴随灵敏度分析的高频微纳米结构建模和设计优化
基本信息
- 批准号:RGPIN-2016-05451
- 负责人:
- 金额:$ 2.62万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2020
- 资助国家:加拿大
- 起止时间:2020-01-01 至 2021-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A number of high frequency technologies emerged over the past few years that offer interesting functionalities. Metamaterials, for example, introduced materials with properties that do not exist in nature. They are used in building miniaturized antennas, sensors, and filters that operate in different frequency ranges. Plasmonic devices utilize metal-dielectric interfaces to guide light below the diffraction limit. This allows the implementation of photonic devices with much smaller dimensions thus promising more integration of photonic processing units. Nano antennas (nantennas) were presented for high frequency energy harvesting and line-of-sight communication. Terahertz (THz) applications also emerged thanks to the recent availability of THz sources and detectors. All these technologies utilize materials whose properties may be dependent on source values (nonlinear), dependent on frequency (dispersive), or dependent on the direction of excitation (anisotropic). Different combinations of these properties may exist in such high frequency structures. These complex properties make the accurate modeling of these devices time- and memory-intensive. Optimization of these structures often requires estimating sensitivities of the target response with respect to all parameters. The classical approach for estimating these sensitivities requires repeated simulations of these time-intensive structures which may be prohibitive.
In this proposal, we will build on our expertise in adjoint sensitivity analysis to develop universal adjoint sensitivity approaches. These approaches will apply to general high frequency structures whose materials may exhibit any combination of nonlinearity, dispersion, and anisotropy. Using our approaches, the sensitivities of the desired response or objective function will be estimated using at most one extra simulation regardless of the number of parameters. Adjoint sensitivities will be applied to the design optimization of metamaterial structures, plasmonic structures, nantennas, and THz filters and frequency selective surfaces. We will apply our developed adjoint techniques to the area of wideband cloaking where a cloak can possess a large number of optimizable parameters. We will also utilize adjoint sensitivity analysis to improve the accuracy of THz imaging and spectroscopy of different samples.
The proposed research addresses important areas of research for Canada and the world including energy harvesting, THz medical imaging, and wideband cloaking of electrically large objects. It will result in novel technologies that will be utilized by Canadian companies to create new products or develop existing ones. It will also train a good number of high quality personnel (HQP) on modeling, design optimization, fabrication, and characterization of advanced high frequency micro and nano structures.
在过去的几年里出现了许多高频技术,它们提供了有趣的功能。例如,超材料引入了具有自然界中不存在的特性的材料。它们被用来制造在不同频率范围内工作的微型天线、传感器和滤波器。等离子体器件利用金属-电介质界面来引导低于衍射极限的光。这允许实现尺寸小得多的光子器件,从而有望实现更多的光子处理单元的集成。用于高频能量采集和视距通信的纳米天线被提出。由于最近太赫兹源和探测器的出现,太赫兹(THz)的应用也出现了。所有这些技术使用的材料的特性可能依赖于源值(非线性)、依赖于频率(色散)或依赖于激励方向(各向异性)。这些特性的不同组合可能存在于这样的高频结构中。这些复杂的属性使得对这些设备的准确建模非常耗时和内存。这些结构的优化通常需要估计目标响应相对于所有参数的灵敏度。估计这些灵敏度的经典方法需要对这些时间密集型结构进行重复模拟,这可能是令人望而却步的。
在这项建议中,我们将以我们在伴随灵敏度分析方面的专业知识为基础,开发通用的伴随灵敏度方法。这些方法将适用于材料可能表现出非线性、色散和各向异性的任意组合的一般高频结构。使用我们的方法,无论参数的数量如何,最多使用一个额外的模拟来估计期望响应或目标函数的灵敏度。伴随灵敏度将应用于超材料结构、等离子体结构、纳米级、太赫兹滤光器和频率选择表面的优化设计。我们将把我们开发的伴随技术应用到宽带隐身领域,其中一件隐形可以拥有大量的可优化参数。我们还将利用伴随灵敏度分析来提高不同样品的太赫兹成像和光谱的准确性。
这项拟议的研究涉及加拿大和世界的重要研究领域,包括能量采集、太赫兹医学成像和电大尺寸物体的宽带隐身。它将产生新的技术,加拿大公司将利用这些技术来创造新产品或开发现有产品。它还将在先进的高频微纳结构的建模、设计优化、制造和表征方面培训大量高素质的人员(HQP)。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Bakr, Mohamed其他文献
Safety and Efficacy of Emergency Ureteroscopy with Intracorporeal Lithotripsy in Patients Presented with Urinary Tract Infection with Mild Sepsis
- DOI:
10.1089/end.2019.0550 - 发表时间:
2020-03-03 - 期刊:
- 影响因子:2.7
- 作者:
Bakr, Mohamed;Abdelhalim, Khaled M. - 通讯作者:
Abdelhalim, Khaled M.
Antenna design exploiting adjoint sensitivity-based geometry evolution
- DOI:
10.1049/iet-map.2012.0374 - 发表时间:
2013-03-19 - 期刊:
- 影响因子:1.7
- 作者:
Ghassemi, Massoud;Bakr, Mohamed;Sangary, Nagula - 通讯作者:
Sangary, Nagula
Dynamic Surrogate Trip-Level Energy Model for Electric Bus Transit System Optimization
- DOI:
10.1177/03611981221100242 - 发表时间:
2022-06-24 - 期刊:
- 影响因子:1.7
- 作者:
Foda, Ahmed;Mohamed, Moataz;Bakr, Mohamed - 通讯作者:
Bakr, Mohamed
Tularemia: The Resurgence of a Diagnostic Challenge and Clinical Dilemma in the United States.
- DOI:
10.7759/cureus.27363 - 发表时间:
2022-07 - 期刊:
- 影响因子:1.2
- 作者:
Kelson, Michael;Burnett, Justin;Girgis, Sameh;Bakr, Mohamed - 通讯作者:
Bakr, Mohamed
Bakr, Mohamed的其他文献
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{{ truncateString('Bakr, Mohamed', 18)}}的其他基金
Modeling and Design Optimization of High Frequency Micro and Nano Structures Exploiting Adjoint Sensitivity Analysis
利用伴随灵敏度分析的高频微纳米结构建模和设计优化
- 批准号:
RGPIN-2016-05451 - 财政年份:2021
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
Modeling and Design Optimization of High Frequency Micro and Nano Structures Exploiting Adjoint Sensitivity Analysis
利用伴随灵敏度分析的高频微纳米结构建模和设计优化
- 批准号:
RGPIN-2016-05451 - 财政年份:2019
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
Modeling and Design Optimization of High Frequency Micro and Nano Structures Exploiting Adjoint Sensitivity Analysis
利用伴随灵敏度分析的高频微纳米结构建模和设计优化
- 批准号:
RGPIN-2016-05451 - 财政年份:2018
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
Modeling and Design Optimization of High Frequency Micro and Nano Structures Exploiting Adjoint Sensitivity Analysis
利用伴随灵敏度分析的高频微纳米结构建模和设计优化
- 批准号:
RGPIN-2016-05451 - 财政年份:2017
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
Modeling and Design Optimization of High Frequency Micro and Nano Structures Exploiting Adjoint Sensitivity Analysis
利用伴随灵敏度分析的高频微纳米结构建模和设计优化
- 批准号:
RGPIN-2016-05451 - 财政年份:2016
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
Efficient modeling and design optimization of computationally intensive high frequency structures
计算密集型高频结构的高效建模和设计优化
- 批准号:
249780-2011 - 财政年份:2015
- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
Efficient modeling and design optimization of computationally intensive high frequency structures
计算密集型高频结构的高效建模和设计优化
- 批准号:
249780-2011 - 财政年份:2014
- 资助金额:
$ 2.62万 - 项目类别:
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近场微波扫描仪的精度提高
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476918-2014 - 财政年份:2014
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$ 2.62万 - 项目类别:
Engage Grants Program
Efficient modeling and design optimization of computationally intensive high frequency structures
计算密集型高频结构的高效建模和设计优化
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- 资助金额:
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Discovery Grants Program - Accelerator Supplements
Efficient modeling and design optimization of computationally intensive high frequency structures
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- 资助金额:
$ 2.62万 - 项目类别:
Discovery Grants Program - Individual
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