Common Features in Ansys Lumerical FDTD — Lesson 1

Common Source Features

A source injects light into the simulation region. In this video lesson, you will learn about the common features of the sources regardless of their types.

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Setup & Tips

Various sources have many similarities as well as differences. In this video lesson, you will learn about the key settings common to all sources in Lumerical FDTD.

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Open the Global properties window:

1. Click the arrow next to the “Sources” button in the main toolbar to open the drop-down menu
2. Click the “Global Properties” option at the bottom of the drop-down menu

Add a Gaussian source:

1. Click the arrow next to the “Sources” button in the main toolbar to open the drop-down menu
2. Click the “Gaussian” option which is the second on the list in the drop-down menu

Edit the Gaussian source:

1. Make sure that the Gaussian source is selected in the Objects Tree window. If not, click the source in the Objects Tree to select it
2. Click the Edit button in the edit toolbar on the left (pencil icon), or use the "E " keyboard shortcut to open the edit window
3. To close the edit window click the “OK” button at the bottom right to accept the settings or the “Cancel” button to discard any changes to the settings.