Unlike generic CAD software (like AutoCAD or SolidWorks), RSoft CAD requires precision for optical simulation. The manual details:
The first 50 pages of any RSoft CAD Manual focus on vocabulary:
Pro Tip from the Manual: Always run the "Check Geometry" tool (found under
Simulation > Validate) before hitting run. The manual notes that 70% of simulation crashes originate from overlapping vertices or zero-width layers.
Before diving into the manual, it is crucial to understand the tool. The RSoft CAD is the universal graphical interface and layout engine for all RSoft photonic simulation tools. It allows users to:
The manual is not just a "how-to-click" guide; it is a technical reference that explains how the CAD engine translates your drawing into a computational mesh.
Most users download the RSoft_CAD_Manual.pdf (typically 800–1,200 pages) from the Synopsys SolvNet portal. Here is how to navigate it efficiently.
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RSoft CAD Environment is the foundational layout and control program for the Synopsys RSoft Photonic Device Tools. It serves as a unified interface where users define material properties and structural geometries for simulation in various passive device modules. Core Layout Capabilities
The RSoft CAD is designed specifically for photonic circuit design with specialized features: Object-Oriented Design
: Users can select and place fundamental photonic objects like straight, tapered, or curved components, lenses, and polygons. Hierarchical Layout
: Allows for the construction of complex structures by nesting smaller components. Advanced Viewing
: Features 3D editing options that allow structures to be viewed along X, Y, and Z axes simultaneously in a multi-pane mode. Material Library
: Includes a comprehensive library of built-in materials while supporting custom, user-defined material profiles. Mask Integration : Supports direct import of mask files in formats, as well as export capabilities for fabrication. Fiber Optic Services Key Modules Managed by RSoft CAD
The CAD environment acts as the "nerve center" for several high-performance simulation engines: Unlike generic CAD software (like AutoCAD or SolidWorks),
: For waveguides and fiber applications using the Beam Propagation Method. : A FDTD-based tool for nanotechnology and biophotonics. : Computes band structures for photonic bandgap devices. DiffractMOD : Simulates diffractive and semiconductor surface gratings.
: A generalized mode solver based on the Finite Element Method. Accessing the Manual and Support
While comprehensive physical manuals are provided with the software, digital versions are accessible through several official channels: ИСОИ РАН Start Menu
: After installation, user manuals can typically be found in the Synopsys Photonic Solutions Program Directory
: Manuals are stored directly within the RSoft installation folder on your local drive. Synopsys Documentation Portal
: Registered customers can access the latest online manuals via SolvNetPlus Essential Setup for New Users To get started with the RSoft CAD Layout program: FullWAVE 6.3
The RSoft CAD manual serves as the core documentation for the unified design environment shared by Synopsys' RSoft Photonic Device Tools. It details the layout and simulation parameters used across modules like BeamPROP, FullWAVE, and DiffractMOD. Core Manual Structure
The manual is typically organized into sections covering the setup of photonic structures and the execution of simulations: Chapter 1: Introduction Installation and system requirements. Physical conventions (e.g., units, coordinate systems). GUI vs. CLI operation and log file management. Chapter 2: Background Overview of technical capabilities. Mathematical foundations, such as Maxwell’s Equations. Design & Layout (Chapters 3-9)
Computation Domain: Setting up grids and boundary conditions. Pro Tip from the Manual: Always run the
Component Definition: Drawing waveguides, gratings, and lens structures.
Index Profiles: Procedures for computing and displaying refractive index profiles. Advanced Features (Chapter 10+)
Multi-Physics: Integration with thermal or electronic utilities.
Optimization: Details on the RSoft optimizer for parameter sweeps. Appendices
Appendix C: Valid arithmetic operators and functions for variable-based design.
Appendix E: Utility descriptions for custom post-processing tasks. Key Reference Documents
Full versions of these manuals are often restricted to licensed users, but summaries and excerpts can be found on these platforms:
Scribd - RSoft MultiPhysics CAD Manual Reference: Details specific chapter breakdowns for the CAD interface.
BeamPROP 8.3 Manual Excerpt: Covers basic tutorials and background information.
Synopsys Optical Solutions: The official product page for obtaining the latest documentation and technical support. BeamPROP 8.3
The RSoft CAD environment facilitates photonic design through a symbol-based system where parametric definitions allow for efficient modeling and optimization of complex structures. Key functionalities include hierarchical settings for global and local properties, along with manual or automatic mesh refinement to ensure simulation convergence. For comprehensive technical specifications, users can consult the cad_manual.pdf found in the installation directory.