Lens Demos
The link below is a zip file that contains OSLO *.len files that demonstrate the different features and capabilities of OSLO. (Please note that these same files are included in the installation of OSLO). OSLOLensDemos.zip
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36. Ghost and Stray Light Analysis
Overlaying multiple lens configurations in a single drawing
Question I am trying to draw multiple configurations superposed on the same lens drawing (without resetting the graphics window). I am using the cfg, drl and drr commands, but I can't seem to get the window to stop erasing between the drawing of the different configurations. How can I do this? ...
25. OSLO Tip: How to draw the stop
DIODASSY.LEN - SHAPING A DIODE LASER BEAM
Diodassy is an example of combining two other systems to collimate the beam from an astigmatic diode laser. OSLO can accommodate astigmatic sources directly, without the need for an ancillary system that provides an approximate model. The example shows the use of spot diagrams and...
TracePro Current Release
TracePro 26.1 Released - 16 February 2026 STEP 1 - Download and install TracePro TracePro Installer STEP 2 - Download and install on Network License Servers Lambda Network License Server Installer STEP 3 - Request TracePro License launch the software and select the option to request a...
Candela Plots - changes to reported values
Question Candela Plots - changes to reported values - Min, Max, Collected Flux, Total Flux, Total Rays, Efficiency
TracePro crash at startup
Question When I launch TracePro, the program crashes (I observe a Runtime Error message). How do I get TracePro running again? Synopsis TracePro crash at Startup Solution "The possible causes of the problem differ if TracePro has run successfully on this PC for a period of time and then it...
03. OSLO Aplanatic Ray Aiming and the Perfect Lens
Interface Examples
The following examples are excellent step-by-step instructions to introduce you to OSLO's interface and walk you through the steps necessary to learn how to use OSLO.