Nanoparticles in an Optical Tweezer
Application ID: 144261
In this model of a single-beam optical trap, SiO2 nanospheres in streaming water pass by or get captured depending on where they are released from.
The electromagnetic force on the particles is calculated in the Electromagnetic Waves, Frequency Domain interface, with a Gaussian background field. This is done over a range of particle positions with the help of a surrogate model to quickly cover the parameter space. Finally, the force is applied together with drag and Brownian forces in a particle tracing simulation.
案例中展示的此类问题通常可通过以下产品建模:
您可能需要以下相关模块才能创建并运行这个模型，包括：
- COMSOL Multiphysics® 和
- 设计模块 和
- 粒子追踪模块 和
- 波动光学模块
建模所需的 COMSOL® 产品组合取决于多种因素，包括边界条件、材料属性、物理场接口及零件库，等等。不同模块可能具有相同的特定功能，详情可以查阅技术规格表，推荐您通过免费的试用许可证来确定满足您的建模需求的正确产品组合。如有任何疑问，欢迎咨询 COMSOL 销售和技术支持团队，我们会为您提供满意的答复。