ZEMAX Users' Knowledge Base - Articles

How to Model Cleaved Fibers

no@spam.com (Mark Nicholson) — Wed, 16 Jul 2008 10:30:00 PDT

This article describes how to include cleaved fibers in Physical Optics fiber coupling calculations.

Tips and Tricks for Successful CAD Import

no@spam.com (Mark Nicholson) — Fri, 11 Jul 2008 11:00:00 PDT

This article provides several tips and tricks to ensure smooth conversion of data between mechanical CAD programs and ZEMAX.

What is the Best Way to Reference a Surface or Object in ZPL?

no@spam.com (Mark Nicholson) — Thu, 26 Jun 2008 16:30:00 PDT

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

How do I Account for Energy Losses When Performing a Sequential Ghost Analysis?

no@spam.com (Akash Arora) — Tue, 24 Jun 2008 14:30:00 PDT

Question: When using the ghost focus generator tool, how can I properly account for the energy in a ghosted path?

How to Use the PLOT2D keyword in ZPL

no@spam.com (Sanjay Gangadhara) — Tue, 24 Jun 2008 13:00:00 PDT

This article describes use of the PLOT2D keyword for generating graphical displays of 2D numerical data in ZEMAX. Examples are provided to demonstrate use of the keyword, and its application in creating through-focus PSF plots.

How to Model Thermal Gradients in an Interferometer Cavity

no@spam.com (Michael Pate) — Mon, 23 Jun 2008 14:30:00 PDT

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.

How ZEMAX Calculates Refractive Index At Arbitrary Temperatures and Pressures

no@spam.com (Sanjay Gangadhara) — Fri, 20 Jun 2008 16:30:00 PDT

This article explains how ZEMAX calculates the refractive index of a material for a given wavelength, temperature, and pressure.

Where Can I Get LED Optical Data in ZEMAX format?

no@spam.com (Mark Nicholson) — Thu, 19 Jun 2008 16:00:00 PDT

Question: Where can I obtain optical performance data for the LEDs I want to use in my design?

When Should I use the Huygens Integral in the Fiber Coupling Calculation?

no@spam.com (Mark Nicholson) — Thu, 19 Jun 2008 15:30:00 PDT

Question: In the Fiber Coupling Efficiency Calculation under Analysis...Calculation...Fiber Coupling Efficiency, when should one use the Huygens Integral and when should one not?

How is Radiant Intensity Defined?

no@spam.com (Mark Nicholson) — Thu, 12 Jun 2008 16:00:00 PDT

Question: 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?