How to Use the Modify Reference Objects Tool

This article explains how to use the Modify Reference Object Tool to tidy up multiple reference points and to define new pivot points in a non-sequential design
 

Authored By: Mark Nicholson

Published On: February 23, 2007


How to Ensure that Zemax will Successfully Connect to Creo Parametric

This article describes how to correctly form the link between Zemax and Creo Parametric.

Authored By: Dr. Sanjay Gangadhara

Published On: February 5, 2013


How to Set Solves from ZPL

This article describes a brief ZPL code snippet written to save the user from some tedious keyboard data entry.

Authored By: Mark Nicholson

Published On: December 16, 2015


How is Radiant Intensity Defined?

This article explains the definition of Radiant Intensity.
 

 


 

Authored By: Mark Nicholson

Published On: June 12, 2008


How To Read a Static Data File into a User-Defined Surface

This article explains how to read static data from a text file into a user-defined surface.

 

Authored By: Sanjay Gangadhara

Published On: January 17, 2008


Optimization in Non-Sequential Ray-Tracing with Pixel Interpolation and NSDD

Zemax has several features that improve non-sequential optimization effiiciency. In this article, we re-optimize a free form mirror using pixel interpolation and added capabilities of the NSDD merit function operand. 
 
Authored By: Akash Arora
 
Published On: October 15, 2007


What is an ABCD Surface?

Paraxial surfaces are often used to represent the first-order properties of a 'black box' lens. ABCD surfaces have some benefits, and also some weaknesses, compared to the paraxial surface. This note explains when to use these complementary approaches.
 
 

Authored By: Mark Nicholson

Published On: December 23, 2015


How to Manipulate BMP and JPG files Using the IMAGEEXTRACT and IMAGECOMBINE Keywords

This article explains how images can be spliced and merged together in Zemax using the IMAGEEXTRACT and IMAGECOMBINE keywords. An example illustrating how these tools can be used to model a document scanner is also provided.                                                                
 

Authored By: Sanjay Gangadhara

Published On: May 2, 2008


How to Open Consecutively-Named Lens Files Using a ZPL Macro

This article demonstrates how to open several lens files using the ZPL macro. This is often useful for analyzing lens files generated by Zemax during the Monte Carlo tolerance analysis.

Authored By: Nam-Hyong Kim, Updated by Michael Humphreys

Published On: August 24, 2006


How to Measure the Sag of an NSC Object

This article describes how to measure the surface sag of a non-sequential object using the NSRA operand. 

Authored By: Sanjay Gangadhara

Published On: November 23, 2007


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