Support
Keeping post scan mirror surfaces in a static location
Question I have a system with a mirror at 45 deg tilt. I invoked the tilt and bend option on the tilted mirror in order to set the remaining surfaces at the correct 90 deg orientation. However, now I want to see the effect of tilting (or decentering ) the mirror alone with respect to the other...
SCL versus CCL
Question What's the difference between SCL and CCL? Synopsis SCL versus CCL Solution SCL is a subset of CCL than uses predefined variables and is compiled "on-the-fly", so it is slower and less comprehensive than CCL. However, for simple tasks that require only a few lines of code, SCL may be...
33. OSLO Tip: Surface number ID with autodraw
34. Designing and Optimizing Light Guides
Autofocus consistency
Question When I click on the autofocus button, I get a different value each time I press it. Why does it do this? Isn't there a best focus position? Synopsis Autofocus consistency Solution "When you click on the autofocus button, a mini-optimization takes place. A first derivative of the spot size...
Auto Importance Sampling - Prescription is set to -1
Question I am using automatic importance sampling and for some surfaces, the Prescription is being set to -1. Why does this happen?
What is a reference raytrace failure and how to correct it
Question When I'm optimizing or performing an analysis on a lens, I sometimes get an error message that indicates: Warning: reference ray trace failed. What is the problem? How do I correct it?" Synopsis What is a reference raytrace failure and how to correct it Symptoms In versions of OSLO prior...
Using Gradium materials after a reflecting surface
Question "I am using a Gradium gradient index material (from Lightpath Technologies) in my system. When I use it in a regular way, it works fine. However, when I " invert" it so that I can insert a mirror before it, it doesn't appear to work properly. What is wrong? NOTE: "Invert" is a command in...
Lambda Unicode: Addressing Problem of Importing Zemax Files into OSLO
Question I have selected File/Import Lens File/Zemax, selected a Zemax file, but it fails to open. What can I do to open the file? Synopsis Problem importing Zemax files into OSLO Symptoms Zemax file fails to open in OSLO. One possible cause of this problem is that the Zemax file (.zmx) is in...