We will create a non-sequential system with a filament source, a parabolic reflector and a plano-convex lens that couples light into a rectangular lightpipe, as shown in the layout below.


We will also trace analysis rays to the detectors to obtain the irradiance distribution at various points in the optical system. Here is what we will finally produce:



If ZEMAX is not running, please start it now.

By default, ZEMAX starts in sequential/mixed mode. To switch to pure non-sequential mode, open ZEMAX and click File>Non Sequential Mode.


Once in pure non-sequential mode, the window title bar of the editor will display the Non-Sequential Component Editor instead of the Lens Data Editor when in sequential mode. The Lens Data Editor is used only in sequential or mixed-mode systems.

For this exercise, we will set the system wavelength, specified under System>Wavelengths, to 0.587 µm.

We will also set the units under System>General Unit tab as follows (default).



In addition to radiometric irradiance unit such as Watt.cm-2, you can specify photometric and energy units such as lumen.cm-2 or joule.cm-2. We will choose the default radiometric units for this exercise.