Abstract
A model-based design allows representing complex, multi-domain systems as interconnected functional blocks, yielding graphical, intuitive information about the overall project, besides simplifying simulation. This work proposes using the modular approach as an optical engineering design and educational tool for developing paraxial ray optics setups, providing further integration with mechatronics subsystems and control loops. An expanded version of the ABCD transfer matrix modeling is implemented in MATLAB Simulink environment to simultaneously perform ray tracing and dynamic simulations. The methodology is validated for different problems, including paraxial cloaking, transmission through a multimode optical fiber, a Fabry–Perot interferometer, and an optical pickup with automatic focus, yielding reliable results with prospective applications in optical engineering design and for creating virtual labs devoted to multiphysics and mechatronics engineering courses.
Highlights
A model-based design allows describing complex, multi-domain systems as interconnected modules that represent components of the overall project
If the overall ray transfer matrix is equivalent to the transmission through a constant refractive index medium, regions enclosed by the system optics are perfectly cloaked, and objects placed inside these spaces do not affect the output light, becoming invisible
The model-based design was validated as a useful tool to build and simulate paraxial optics systems from pure-optical to multi-domain optomechatronics projects
Summary
A model-based design allows describing complex, multi-domain systems as interconnected modules that represent components of the overall project. Sci. 2020, 10, 8278 computer program should be accessible and easy-to-use, present a graphical programming interface that resembles the physical placement of components, and communicate with third-party applications In this sense, using MATLAB (Mathworks) or LabVIEW (National Instruments) is a convenient way to adapt custom-made ray optics functions to the available multi-domain models, with perspectives for real-time and hardware-in-loop implementations. Programming is facilitated by graphical language since the optical components are presented as functional blocks, wherein the interface with mechanical and electrical domains is settled with appropriate transducers Using such a unified simulation environment is simpler than integrating different visualization and data processing software; besides, it is suitable for developing closed-loop projects that involve dynamic interaction between the electromechanical and optical parts. The main objective is to provide the bases for establishing virtual labs in physics and engineering design rather than conceiving intricate projects as in the aforementioned works; it can be used by researchers to develop and validate basic optical systems
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