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	<title>Physics:4GLS - Revision history</title>
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	<updated>2026-06-24T17:52:07Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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		<id>https://handwiki.scholarlywiki.org/index.php?title=Physics:4GLS&amp;diff=2442&amp;oldid=prev</id>
		<title>WikiHarold: fixing</title>
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		<updated>2021-09-24T09:47:44Z</updated>

		<summary type="html">&lt;p&gt;fixing&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;The &amp;#039;&amp;#039;&amp;#039;4GLS&amp;#039;&amp;#039;&amp;#039; was a proposed 4th Generation Light Source, based at the [[Organization:Daresbury Laboratory|Daresbury Laboratory]] in Cheshire, {{wipe|England}},  intended to combine [[Physics:Energy recovery linac|energy recovery linac]] (ERL) and free electron laser technologies to provide synchronised sources of [[Physics:Synchrotron radiation|synchrotron radiation]] and free electron laser radiation covering the [[Physics:Terahertz radiation|terahertz]] (THz) to soft X-ray regimes.&amp;lt;ref&amp;gt;{{cite web|url=http://www.4gls.ac.uk |title=4GLS, Daresbury - 4th Generation Light Source |access-date=2007-10-13 |archive-url=https://web.archive.org/web/20071026121507/http://www.4gls.ac.uk/ |archive-date=26 October 2007 |url-status=dead}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
In early 2008 the Science and Technology Facilities Council decided not to proceed with the 4GLS.&amp;lt;ref name=JohnDenham&amp;gt;{{cite web|title=Conversation between Secretary of State for Innovation and Skills and Citizens, 17 March 2008|url=http://www.egovmonitor.com/node/17774|access-date=2008-03-19|archive-url=https://web.archive.org/web/20080509154407/http://www.egovmonitor.com/node/17774|archive-date=2008-05-09|url-status=dead}}&amp;lt;/ref&amp;gt;&lt;br /&gt;
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==See also==&lt;br /&gt;
* [[Organization:Diamond Light Source|Diamond Light Source]]&lt;br /&gt;
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==References==&lt;br /&gt;
{{reflist}}&lt;br /&gt;
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[[Category:Free-electron lasers]]&lt;br /&gt;
[[Category:Synchrotron radiation facilities]]&lt;br /&gt;
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{{Sourceattribution|4GLS}}&lt;/div&gt;</summary>
		<author><name>WikiHarold</name></author>
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