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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 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 Get Real Waveguide Mode Data Into Zemax

Zemax now supports the input of mode field data from Optiwave's OptiBPM and OptiFiber codes. This makes it easy to improve the accuracy of fiber and waveguide coupler designs using Physical Optics in Zemax, by providing more accurate input data. This article gives several examples.

 
 

Authored By: Mark Nicholson

Published On: January 20, 2007


Modeling High Order Laser Beams in OpticStudio

This article describes models available in OpticStudio for characterizing high order laser beams. Once defined, such beams may be propagated in any optical system that has been designed in OpticStudio using Physical Optics Propagation. Beams generated from laser cavities with rectangular, circular, and elliptical gain apertures may be characterized using available models for Hermite-Gaussian, Laguerre-Gaussian, and Ince-Gaussian beams.

Authored By: Sanjay Gangadhara, Updated by Kristen Norton

Published On: March 11, 2016


Exploring Physical Optics Propagation in OpticStudio

The Physical Optics Propagation analysis is a powerful Sequential Mode tool for analyzing beam propagation and fiber coupling. This article is intended to serve as an introduction to the capabilities of this analysis tool, and takes the reader through several use case examples. It also demonstrates use of a key supplementary feature, the Beam File Viewer.   

Authored By: Andrew Locke

Published On: October 31, 2005


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