Program crashes when some analyses are performed on non-sequential systems
Question OSLO crashes when certain analyses are performed on a system containing a non-sequential surface (NSS) group. What is wrong?
Posts about: OSLO Knowledge Base (12)
Managing different editing modules
Question When I look through the ASCII text of a lens prescription file, I notice that the commands are in different groups. How many different groups are there? Do I have do worry about these groups when I am creating different macros?
Problems with image analysis routines.
Question Why don't the image analysis routines work with my system? Synopsis Problems with image analysis routines. Solution By far the biggest problem encountered in this area is the failure to use adequate pupil sampling to characterize the image. To compute a spot diagram, point spread function,...
Questions on what multilayer coating calculations OSLO can perform
Question Can we calculate the reflection loss of a multilayer coating? Can we calculate the interference of emitted light and reflected light from the outer layer(s) of a multilayer coating? Synopsis Questions on what multilayer coating calculations OSLO can perform Solution " Yes. Choose...
Making changes to the OSLO menu and toolbars
Question I understand that users are supposed to be able to make changes to the OSLO menu and toolbars. How can I do this? Synopsis Making changes to the OSLO menu and toolbars Solution Understanding this answer requires that you have a working knowledge of using OSLO's CCL language. Some of the...
Error in Zoom analysis commands
Question When I attempt to use the Zoom analysis commands (zpxs, zspa, zsen, zchr, zsei & zfif) I get an error similar to: Error in ____: Array index out of bounds. What is the problem? Synopsis Error in Zoom analysis commands Solution Variables are not dimensioned high enough in these analysis...
Distortion analysis (distplt) in a tilted or decentered system
Question When I do a distortion plot on my optical system, there seems to be a very high peak near the axis, but not on the axis, that diminishes, and then trails off. This seems erroneous. Is this a math artefact or real distortion? Synopsis Distortion analysis (distplt) in a tilted or decentered...
Lens drawings and incorrect ray paths.
Question Why don't my lens drawings show the correct ray paths? Synopsis Lens drawings and incorrect ray paths. Solution There are three principal reasons why you might have such a problem: You have entered your data incorrectly. The lens drawings prepared by OSLO are primarily intended to give...
Determining the correct syntax for OSLO commands
Question I want to use an OSLO command in a CCL macro I am writing. How do I make sure that the command has the correct syntax? Synopsis Determining the correct syntax for OSLO commands Solution There are at least four different ways to determine the correct syntax of an OSLO command. In order to...
Describing Monte Carlo tolerance analysis output
Question I am trying to perform some Monte Carlo tolerance analysis, but I am having trouble interpreting what some of the output data means. Can you please indicate where I can find an explanation of the Monte Carlo tolerance analysis output?