See How Multiphysics Simulation Is Used in Research and Development
Engineers, researchers, and scientists across industries use multiphysics simulation to research and develop innovative product designs and processes. Find inspiration in technical papers and presentations they have presented at the COMSOL Conference. Browse the selection below or use the Quick Search tool to find a specific presentation or filter by application area.
View the COMSOL Conference 2023 Collection
Silicon Photonic 2 X 2 Power Splitter with S-Bend Configuration
Directional couplers are used for the purpose of redirecting, splitting, and combining light in silicon photonic circuits. They are used extensively in data communication applications such as wavelength-division-multiplexing and signal switching [1]. Their functionality is an integral ... Read More
Coupling the Transfer of Light with the Transfer of Heat using a Diffusion Approximation
High-powered solid-state lighting uses ceramic materials for conversion of impinging blue pump light into bright longer-wavelength luminescence. This luminescence combines with an unconverted portion of the blue pump light to provide a white light spectrum. As the conversion efficiency ... Read More
Low-Cost Prototyping of the Fresnel Lens Solar Concentrator
In this work, linear and spot Fresnel lenses, designed by an earlier study of the authors, are prototyped in four methods; two mold-free prototypes made by 3D printing and acrylic CNC machining, and two mold-based prototypes made by acrylic casting and hot embossing. The purpose is to ... Read More
Non-Resonant Laser Field Effect on Electronic and Optical Properties in GaAs/AlGaAs Quantum Rings
The low dimensional systems show a behavior that is strongly depending on external effects such as the intense non-resonant laser field. The control of electronic and optical properties by means of a laser field lets us to adapt the matter-light interaction to several applications [1]. ... Read More
Multiphysics Analysis of a Micromirror System
The challenge of our current research is to design large aperture MEMS scanning mirrors for Light Detection and Ranging (LIDAR) applications such as in unmanned driving or Unmanned Aerial Vehicle. The current MEMS scanning mirrors have a smaller aperture which limits application, it can ... Read More
Analysis of the Absorption Phenomena through the Use of Finite Element Method
We present a numerical model using the Finite Element Method (FEM) with COMSOL Multiphysics® simulation software to characterize Beer-Lambert law. The Heat Transfer Module was used in the program developed to calculate absorption and propagation of heat wave phenomena in a material. ... Read More
低损微结构空芯光纤的数值仿真研究
空芯光纤因空气芯的存在，理论上具备极低的光学非线性、色散与极高的损伤阈值，同时能够大大减弱了光纤材料吸收的影响，适合极端波长、大功率激光以及超短脉冲传输，在光通信、传感、微加工以及气体非线性研究等领域具有极大潜力。其中，反谐振空芯光纤因其简单有效的结构设计及低损宽带传输的特点而备受关注。这里我们利用COMSOL的波动光学模块对其进行若干数值仿真来研究针对此类具有大芯径-波长比和稀疏精细结构微结构空芯光纤的网格划分策略，并基于此进一步研究了反谐振空芯光纤的结构参数对其泄漏损耗以及材料吸收所引发的材料损耗的影响。我们通过对空气 ... Read More
基于陷光结构的高效钙钛矿太阳能电池设计
新能源是一直备受世界，例如太阳能应用大力改善我们的生活水平，提高科技的发展。然而，在传统上设计太阳能电池，我们只考虑光学设计，通过陷光结构增加光吸收，但是没有考虑电学模块的损耗，在给太阳能电池带来不便。因此，在本项工作中，我们重点研究电池传输层和空穴传输层配置的钙钛矿电池，以发现光学器件和载体设备内的动力学特性以及指导太阳能设计以获得高效率。 通过Comsol Multiphysics @软件以仿真解决电磁响应和载体动态（生成/运输/重组/收集），以及建立多种纳米结构模型，研究不同结构设计纳米结构对钙钛矿光伏电池性能的影响。 意义提高钙钛矿电池光电效率，应用在卫星 ... Read More
基于蜂窝结构的响应性结构色材料的设计与仿真
近年来，具有非角度依赖和变色特性的结构色材料因其在各个研究领域广泛的应用而受到越来越多的关注，特别是在柔性反射式显示屏的开发领域。在本次利用COMSOL Multiphysics®的试验仿真中，我们从蜂窝的正六边形二维周期性排布结构得到灵感，在几何模块进行建模，使用周期性条件构筑类蜂窝结构，对最小周期性单元进行模拟仿真。通过固体力学模块研究材料的受力形变过程，耦合波动光学模块研究其形变前及形变后的表面反射光谱变化，最后通过参数化扫描对材料的角度依赖特性做测试，仿真模拟设计类蜂窝光子能带结构，实现新型的不依赖角度并且可以通过伸缩实现变色的结构色材料仿真 ... Read More
具有频率上转换纳米球阵列的超薄晶硅太阳能电池的陷光增效研究
由于能源的消耗，太阳能电池越来越受到人们的关注。然而，作为商业中主要应用的晶硅太阳能电池存在表面入射光反射以及无法吸近红外光的性质限制了晶硅太阳能电池效率的进一步提高。因此，我们设计了一种表面具有掺铒氟化钇钠(NaYF4:Er3+)上转换纳米球阵列的超薄晶体硅太阳能电池。利用COMSOL Multiphysics ®中波动光学模块系统的研究了具有不同尺寸和间距纳米球的晶硅太阳能电池的陷光性能。利用周期性边界条件及有限元的思想构建了电池计算单元，在300-1150 nm 入射光范围内计算了模型的光反射及透射，从而得出了电池的光吸收。结果表明，在纳米球最佳直径及间距时 ... Read More