ZEMAX Users' Knowledge Base - Articles -

How to Specify Intermediate Field Points

no@spam.com (Nam-Hyong Kim) — Tue, 03 Apr 2007 00:00:00 PDT

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

This article is also available in Japanese.

How to Specify Fields for Non-Rotationally Symmetric Systems

no@spam.com (Nam-Hyong Kim) — Mon, 02 Apr 2007 00:00:00 PDT

This article explains how to assign appropriate weight for the on-axis field when specifying fields for non-rotationally symmetric systems.

This article is also available in Japanese.

Why Can't I Place a Thermal Pickup on the Conic Constant?

no@spam.com (Nam-Hyong Kim) — Mon, 19 Mar 2007 01:00:00 PDT

On certain surface parameters, ZEMAX does not allow the placement of a thermal pickup solve. This article explains why.

How does ZEMAX Model the Thermal Expansion of Optical Mounts?

no@spam.com (Nam-Hyong Kim) — Mon, 19 Mar 2007 01:00:00 PDT

This article explains how the TCE column in the Lens Data Editor is used to model optical mounts between lenses.

What is the size of my POP beam?

no@spam.com (Nam-Hyong Kim) — Mon, 19 Feb 2007 00:00:00 PST

This article explains how to compute the effective width of an arbitrary POP beam.

This article is also available in Japanese.

How to Model Coupling Into a Multi-Mode Fiber

no@spam.com (Nam-Hyong Kim) — Tue, 30 Jan 2007 00:00:00 PST

This article demonstrates the use of the Geometrical Image Analysis feature to compute multi mode fiber coupling efficiency. The sample files can be downloaded from the last page of this article.

How to Choose the Best Glasses for your Optical Design

no@spam.com (Nam-Hyong Kim) — Thu, 05 Oct 2006 00:00:00 PDT

This article explains:

The limitations of traditional glass choice methods like Conrady d-D and the use of model glasses
How to use the Glass Substitution method for direct glass optimization
How to further restrict glass choice to include factors like glass availability, cost, climate resistance etc.

This article is also available in Japanese.

How to Design a Gaussian to Top-Hat Beam Shaper

no@spam.com (Nam-Hyong Kim) — Wed, 04 Oct 2006 00:00:00 PDT

This article demonstrates how to design a simple refractive beam shaper that converts a Gaussian intensity profile into a top-hat profile. Sample files are provided, which can be downloaded from the last page of this article.

How to Set the Lens Mount Reference for Thermal Analysis

no@spam.com (Nam-Hyong Kim) — Tue, 26 Sep 2006 00:00:00 PDT

This article demonstrates how the mechanical reference for the lens mount can be arbitrarily changed.

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

no@spam.com (Nam-Hyong Kim) — Thu, 24 Aug 2006 00:00:00 PDT

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.