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AllieZemax Staff

asked in Got a question?

What is virtual propagation?

What does it mean to do a virtual propagation of rays?

AllieZemax Staff

asked in Got a question?

Where is the nominal criterion value in my tolerance output coming from?

Why is the nominal criterion value different from my Merit Function value in some cases? Is there a different analysis feature in OpticStudio that the nominal criterion is supposed to match up to? If not, then how is it being computed?

AllieZemax Staff

asked in Got a question?

What are the "ray" and "field" coefficients in the coatings calculation?

Is there a difference between the reported "ray" and "field" coefficients used in polarization ray-tracing through thin-film coatings?

AllieZemax Staff

asked in Got a question?

Why does the CPU usage on my computer seem to be single-threaded during optimization?

I thought OpticStudio was supposed to utilize multi-threading for a faster optimization process. Why is my optimization running as a single-threaded process? Is this a setting I could change?

Alissa WilczynskiZemax Staff

asked in Got a question?

Different stop surface for different fields

I'm working in a wide angle system and would like to ignore the stop setting so that different fields can have different stop locations. How can I do this?

AllieZemax Staff

asked in Got a question?

How is radiant intensity defined?

The Help file defines Radiant Intensity as “The incoherent intensity of the ray in cosine space (Radiant Intensity) This is the sum of the ray intensity divided by the solid angle subtended by the pixel." The question I have is how this solid angle subtended by the pixel is defined?

AllieZemax Staff

asked in Got a question?

What does selecting a mode flag on a "Birefringent In" surface do?

OpticStudio seems to have four accepted values for the mode flag under a "Birefringent In" surface: 0, 1, 2, 3. What are they for, and when do I use them?

AllieZemax Staff

asked in Got a question?

What is the best way to reference a surface or object in ZPL?

What is the best way to reference a surface or object in ZPL so that the macro still works even when the numbering changes because surfaces/objects are inserted or deleted?

AllieZemax Staff

asked in Got a question?

How does OpticStudio define the s- and p-polarization states?

What are the s- and p-polarization states? How do I make my incoming beam s-polarized?  

AllieZemax Staff

asked in Got a question?

Can I control what files are included in my .ZAR file?

I am trying to save my Non-Sequential system as an archived file (ZAR) but the file is very large. I know that the ZAR file type is a compilation of several different files that help define the lens file but can I safely remove certain files to reduce the overall file size?

AllieZemax Staff

asked in Got a question?

No rays are scattered when I use Importance Sampling?

I want to use Importance Sampling to trace scattered rays, but when I do, no rays are traced. How do I fix this without changing my optical design?

AllieZemax Staff

asked in Got a question?

Can I import a .ZPO file on the Professional edition of OpticStudio?

I am currently working on a Professional edition of OpticStudio and wish to import a Zemax Part Designer file (.ZPO) into my optical design. However, I am finding that the option to import an object of type “CAD: Zemax Part Designer” is only available in the Premium edition of OpticStudio. Can I import my .ZPO file or do I have to work on a Premium edition of OpticStudio?

AllieZemax Staff

asked in Got a question?

Should I be using Express View?

What are the benefits of Express View? What are its limitations?

AllieZemax Staff

asked in Got a question?

Can I generate an elliptical beam in Sequential Mode?

How can I model an elliptical beam in a sequential system?

AllieZemax Staff

asked in Got a question?

What compiler do I need to use to make a user-defined surface/object?

Does OpticStudio have a preferred compiler that I need to use in order to create my own source?

AllieZemax Staff

asked in Got a question?

What settings should I choose when opening a .ZAR file?

When I open an archived (.ZAR) file, I get a pop-up referencing existing files. Which option should I choose? Do I always have to overwrite files with the same name, or can I merge them?

AllieZemax Staff

asked in Got a question?

Why am I getting a geometry error in Non-Sequential Mode?

I’m building a system in Non-Sequential Mode but keep getting “Geometry error” on the screen when I include layout rays. How do I fix this?

AllieZemax Staff

asked in Got a question?

How can I return the settings of my DLL surface?

I am working with a system that has a user-defined DLL surface and want to obtain the settings. The ZOS-API recognizes that I am using a user-defined DLL but is not returning the correct file as defined in my code.

AllieZemax Staff

asked in Got a question?

Am I limited to ray-tracing in OpticStudio?

Is there a way to model and analyze a system using physical optics calculations instead of a ray trace?

AllieZemax Staff

asked in Got a question?

Optimization is not consistent between computers?

I'm trying to optimize a system with a partner but our results keep coming back different from one another even though we are using the same operands and variables. Why is this happening? 

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