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	<id>http://debianws.lexgopc.com/wiki143/index.php?action=history&amp;feed=atom&amp;title=Fred_Optical_Engineering_Software</id>
	<title>Fred Optical Engineering Software - Revision history</title>
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	<updated>2026-10-26T18:01:22Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://debianws.lexgopc.com/wiki143/index.php?title=Fred_Optical_Engineering_Software&amp;diff=7747698&amp;oldid=prev</id>
		<title>imported&gt;Zenzyyx: #suggestededit-add 1.0</title>
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		<updated>2021-10-11T18:55:59Z</updated>

		<summary type="html">&lt;p&gt;#suggestededit-add 1.0&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;{{Short description|Computer program used for optical engineering}}&lt;br /&gt;
{{Infobox Software&lt;br /&gt;
| name = Fred&lt;br /&gt;
| latest release version = 20.01&lt;br /&gt;
| latest release date = {{Start date and age|2021|03|df=no}}&amp;lt;ref&amp;gt;{{cite web&lt;br /&gt;
  | url = https://photonengr.com/wp-content/uploads/2021/03/FREDNewFeatures_20.01.0.pdf&lt;br /&gt;
  | title = FREDNewFeatures_20.01.0.pdf&lt;br /&gt;
  | website = photonengr.com&lt;br /&gt;
  | access-date = 2021-04-07&lt;br /&gt;
  | format = pdf&lt;br /&gt;
}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
| latest preview version = &lt;br /&gt;
| latest preview date    = &lt;br /&gt;
| operating system = [[Microsoft Windows]]&lt;br /&gt;
| genre = [[Computer-aided design|CAD]] Software&lt;br /&gt;
| website = {{url|https://photonengr.com/fred-software/}}&lt;br /&gt;
| developer=[[Photon Engineering]]}}&lt;br /&gt;
&lt;br /&gt;
&amp;#039;&amp;#039;&amp;#039;Fred Optical Engineering Software&amp;#039;&amp;#039;&amp;#039; (&amp;#039;&amp;#039;&amp;#039;FRED&amp;#039;&amp;#039;&amp;#039;) is a commercial 3D CAD computer program for [[optical engineering]] used to simulate the propagation of light through optical systems. Fred can handle both incoherent and [[Coherence (physics)|coherent]] light using [[Gaussian beam]] propagation. The program offers a high level of visualization using a [[WYSIWYG]] (What You See Is What You Get) parametric interface. According to the publisher, [[Photon Engineering]], the name &amp;quot;Fred&amp;quot; is not an acronym, and does not mean anything.&amp;lt;ref name=&amp;quot;pe&amp;quot;&amp;gt;{{cite web |url=https://photonengr.com/fred-software/fred-presales-faqs/ |title=FAQ |work=Photon Engineering |accessdate=2018-10-04}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Fred allows for non-sequential raytracing with support to raytrace on up to 63 cores.&amp;lt;ref name=pe/&amp;gt; Fred also features a [[downhill simplex]] optimizer where the user can specify variables, merit function and multiple targets for optimization. The program can import and export [[IGES]], [[ISO 10303|STEP]], and [[Wavefront_.obj_file|OBJ]] CAD formats. Fred is also compatible with other hardware measured light source measurement software such as ProSource. Fred can also interact with [[MATLAB]] and [[Mathematica]] using an [[OLE Automation]] Client/Server interface.&lt;br /&gt;
&lt;br /&gt;
Fred was used in the design of the NOAO&amp;#039;s [[Large Synoptic Survey Telescope]].&amp;lt;ref&amp;gt;{{cite web|url=http://www.lsst.org/Meetings/AAS/2008/JanPosters/lowres/137.18_Claver_Optical_System_8x10.pdf |title=NOAO website for LSST |url-status=dead |archiveurl=https://web.archive.org/web/20080510134501/http://www.lsst.org/Meetings/AAS/2008/JanPosters/lowres/137.18_Claver_Optical_System_8x10.pdf |archivedate=May 10, 2008 }}&amp;lt;/ref&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Fred is available in three editions.&lt;br /&gt;
&lt;br /&gt;
== See also ==&lt;br /&gt;
* [[List of ray tracing software]]&lt;br /&gt;
&lt;br /&gt;
== References ==&lt;br /&gt;
{{reflist}}&lt;br /&gt;
&lt;br /&gt;
== External links ==&lt;br /&gt;
* [http://www.photonengr.com/  Photon Engineering Website]&lt;br /&gt;
&lt;br /&gt;
[[Category:Optical software]]&lt;br /&gt;
[[Category:Computer-aided design software for Windows]]&lt;br /&gt;
&lt;br /&gt;
{{CAD-software-stub}}&lt;/div&gt;</summary>
		<author><name>imported&gt;Zenzyyx</name></author>
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