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How Do I Change The Size and Shape of An Optical Component?

Question: Zemax OpticStudio draws all my optical surfaces as if they have circular apertures. How do I make it draw a rectangular cross-section, or some general cross-section?

Authored By: Mark Nicholson

Published On: October 8, 2015


What is the Normalization Radius?

Question: What is the normalization radius used by diffractive surfaces for?
 

Authored By: Mark Nicholson

Published On: October 16, 2009


What is Virtual Propagation?

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

Authored By: Mark Nicholson

Published On: December 29, 2015


Why is it called Zemax?

Question: Why is the company and the original optical design program called Zemax? What does Zemax mean? 
 
       

Authored By: Ken Moore

Published On: September 30, 2015


How to convert FWHM measurements to 1/e^2 halfwidths

Sometimes, manufacturers provide Gaussian beam data as Full Width Half Maximum (FWHM) measurements, but OpticStudio uses the 1/e^2 measure of beam width. This article describes how to convert FWHM measurements to 1/e^2 halfwidth measurements, which are used by Zemax.

Authored By: Dan Hill

Published On: April 4, 2007


How to Specify Intermediate Field Points

This article explains what the optimum values for the intermediate fields should be relative to the maximum field. 
 

                                                                                                                                           

 

Authored By: Name-Hyong Kim

Published On: April 3, 2007


How to Determine Which Material Catalog is Being Used

This article explains how to determine which material catalog is being used as the source of the material data for a specific surface/object. This is especially important when multiple material catalogs are loaded containing one or more materials with the same name.

Authored By: Andrew Locke

Published On: September 17, 2015


How is a MIRROR Without a Coating Handled?

Question: I have a MIRROR surface or object, but I have not defined a coating for it. How is its reflectivity accounted for?
 

Authored By: Mark Nicholson

Published On: August 20, 2015


How to Model Thermal Gradients in an Interferometer Cavity

This article shows how to model a linear thermal gradient in a double-pass system. The method can be easily extended to more complex gradients.
 

Authored By: Michael Pate

Published On: June 23, 2008


How to design afocal systems

This article covers afocal system design and optimization in OpticStudio. In particular, we discuss what afocal systems are, how to analyze afocal systems in terms of angular units, how to handle cylindrical systems, and how to work with systems with multiple focal and afocal spaces.

Authored By: Mark Nicholson

Published On: September 23, 2015


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