Using Physical Optics Propagation (POP), Part 3: Inspecting the beam phases

This article is Part 3 of a series that works through an example system to show the correct way to use Physical Optics Propagation (POP).  In part 1, we discussed the example system and looked at the beam file viewer.  In part 2, we looked at the beam intensities and problems that can arise with the intensities.  In part 3, we’ll look at the beam phases and problems that can arise in the phase profiles of the beam.

Authored By: Erin Elliott

Published On: September 14, 2016

Using Physical Optics Propagation (POP), Part 2: Inspecting the beam intensities

This article explores problems that can appear in the beam intensity profiles when using Physical Optics Propagation (POP) in OpticStudio.  The beams can be undersampled and/or can lack an adequate guard band around the beam. We demonstrate several fixes for these problems.

Authored By: Erin Elliott

Published On: September 14, 2016

Using Physical Optics Propagation (POP), Part 1: Inspecting the beams

This article introduces the Physical Optics Propagation (POP) tool in OpticStudio, which propagates electric fields in free space.  It introduces the Beam File Viewer, which is used to inspect the phase and intensity of the beam at every surface.

Authored By: Erin Elliott

Published On: September 14, 2016

How to Define Beams of a Given M-squared

This article explains when M2 can be used as a scaling parameter in Zemax OpticStudio, and how to define a beam in Physical Optics with a given M2 value. For more on Physical Optics Propagation, please see this Knowledge Base article. 


Authored By: Neil Barrett

Published On: July 25, 2014

How to Convert from RSoft Simulations to Zemax and Back

This tutorial illustrates how to convert information from Zemax into RSoft’s propagation software and back. This can be useful for multi-stage cases in which one part of the system is a bulk optical system, and a waveguide in others. In this example, we will look at the coupling from a focusing lens into a small silica fiber. 

We will first create output information from Zemax and then convert these files into field files that can be used for a BPM propagation. The result will be that Zemax is used to propagate a Gaussian complex amplitude through a bulk optical system, and focus it at the input face of a single mode fiber. The resulting complex amplitude is then imported into RSoft software and propagated through the fiber. The resulting data can then be read back into Zemax if needed.

Authored By: Matthew Frank

Published On: April 11, 2008

What is the size of my POP beam?

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

Authored By: Nam-Hyong Kim

Published On: September 17, 2015

How to Sum POP Beams Coherently

This article explains how to sum two physical optics propagation results using *.ZBF beamfile-related macro keywords.


Authored By: Nam-Hyong Kim

Published On: October 14, 2005

How to Use POP with Lenslet Arrays

This article explains how to configure the Physical Optics Propagation calculation to account for propagation through a lenslet array. It also gives some useful setup information when using POP in tricky systems.

Authored By: Mark Nicholson

Published On: September 17, 2015

How to Model a High-Magnification Unstable Laser Resonator

This article demonstrates:
  • How to model several passes through an unstable optical resonator
  • How to apply soft-edged apertures to a laser beam
  • How to use beam resampling
  • How to model adjustment errors

A zip file containing sample files can be downloaded from the last page of this article.


Authored By: Mikhail Levtonov

Published On: October 25, 2005

How to Model a Slicer Mirror Using a User-Defined Surface

This article describes how to model an unusual surface - in this case an imaging slicing mirror - by using the user-defined surface capability of Zemax. In addition, Physical Optics propagation is also used to compute cross-talk between channels.

Authored By: Sébastien Vivès

Published On: January 10, 2006

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