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Design Examples of Optical Attenuators

  • Categories:Software case
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  • Time of issue:2022-06-30
  • Views:769

Design Examples of Optical Attenuators

(Summary description)

  • Categories:Software case
  • Author:
  • Origin:
  • Time of issue:2022-06-30
  • Views:769

The lntelliSuite software can realize the complete design process of various MEMS devices from layout design, process design to device performance design and system design. It can complete the direct extraction of process simulation structure, meshing, multi-physics analysis, and parametric analysis.


01 Design example of optical attenuator

1. Picture of the overall structure of the device


2. The working principle diagram of the core components of the thermally driven VOA device


3. VOA device layout file: use the layout editing module Blueprint module to draw the production layout file


4. VOA device process simulation: The process flow is edited and generated in the IntelliFab module, and then the process flow simulation is done in FabSim


5. The process simulation results can directly generate a complete VOA finite element model, which can be exported to the multi-physics coupling analysis module (TEM module) for further device performance analysis


6. Finite element analysis results of the complete VOA model

(displacement result)

(Temperature Distribution)


7. VOA core component structure layout


8. Use the layout to import the 3D modeling module 3Dbuilder module to directly generate the 3D structure and divide the mesh to prepare for the next finite element analysis


9. Import this finite element model into the TEM module for device performance analysis

(Set Analysis Type)

(static analysis, thermomechanical coupling analysis)


(Material parameter setting)

(Define VOA boundary conditions and loads)


10. Obtain the analysis results of the main structure of the VOA device

(Temperature distribution result)

(Voltage distribution result)


11. Because of the influence of the inclination angle of the moving beam in the VOA device on the performance of the device, we will carry out parametric analysis in the Parametric Designer parametric analysis module, and will analyze the change of the inclination angle of the beam (as shown in the figure) and displacement relation

(Establish a parametric analysis model: Divide the inclination into 10 values, that is, establish 10 models)

(parametric analysis layout)

(Parametric Analysis Finite Element Model)

(parametric analysis process)

(parametric analysis results: analysis results of the relationship between inclination angle and displacement)

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