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	<id>http://wikiet.gssi.it/index.php?action=history&amp;feed=atom&amp;title=Cryogenics</id>
	<title>Cryogenics - Revision history</title>
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	<updated>2026-05-25T21:03:40Z</updated>
	<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>http://wikiet.gssi.it/index.php?title=Cryogenics&amp;diff=247&amp;oldid=prev</id>
		<title>Jan.harms: /* R&amp;D for GW detectors at cryogenic temperatures */</title>
		<link rel="alternate" type="text/html" href="http://wikiet.gssi.it/index.php?title=Cryogenics&amp;diff=247&amp;oldid=prev"/>
		<updated>2020-05-26T18:08:34Z</updated>

		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;R&amp;amp;D for GW detectors at cryogenic temperatures&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 18:08, 26 May 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;= R&amp;amp;D for GW detectors at cryogenic temperatures =&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;= R&amp;amp;D for GW detectors at cryogenic temperatures =&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Einstein Telescope is envisioned in a so-called xylophone configuration, which means that the single-interferometer scheme of the current detectors will be replaced by a pair of interferometers, one operated at room temperature and high laser power, the other at cryogenic temperature and low laser power. Development of new technologies are required to realize an interferometer at low temperature. The current focus is on the development and testing of seismic sensors operating in a cryogenic environment at the National Lab of Gran Sasso (LNGS) in collaboration with a team at Sapienza University of Rome, which leads the cryogenics research in Europe for gravitational-wave detection.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;The Einstein Telescope is envisioned in a so-called xylophone configuration, which means that the single-interferometer scheme of the current detectors will be replaced by a pair of interferometers, one operated at room temperature and high laser power, the other at cryogenic temperature and low laser power. Development of new technologies are required to realize an interferometer at low temperature. The current focus &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;of our group &lt;/ins&gt;is on the development and testing of seismic sensors operating in a cryogenic environment at the National Lab of Gran Sasso (LNGS) in collaboration with a team at Sapienza University of Rome, which leads the cryogenics research in Europe for gravitational-wave detection.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jan.harms</name></author>
		
	</entry>
	<entry>
		<id>http://wikiet.gssi.it/index.php?title=Cryogenics&amp;diff=246&amp;oldid=prev</id>
		<title>Jan.harms: /* R&amp;D for GW detectors at cryogenic temperatures */</title>
		<link rel="alternate" type="text/html" href="http://wikiet.gssi.it/index.php?title=Cryogenics&amp;diff=246&amp;oldid=prev"/>
		<updated>2020-05-26T18:07:41Z</updated>

		<summary type="html">&lt;p&gt;‎&lt;span dir=&quot;auto&quot;&gt;&lt;span class=&quot;autocomment&quot;&gt;R&amp;amp;D for GW detectors at cryogenic temperatures&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;col class=&quot;diff-marker&quot; /&gt;
				&lt;col class=&quot;diff-content&quot; /&gt;
				&lt;tr class=&quot;diff-title&quot; lang=&quot;en&quot;&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #222; text-align: center;&quot;&gt;Revision as of 18:07, 26 May 2020&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l1&quot; &gt;Line 1:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 1:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;= R&amp;amp;D for GW detectors at cryogenic temperatures =&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;= R&amp;amp;D for GW detectors at cryogenic temperatures =&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;&lt;ins style=&quot;font-weight: bold; text-decoration: none;&quot;&gt;The Einstein Telescope is envisioned in a so-called xylophone configuration, which means that the single-interferometer scheme of the current detectors will be replaced by a pair of interferometers, one operated at room temperature and high laser power, the other at cryogenic temperature and low laser power. Development of new technologies are required to realize an interferometer at low temperature. The current focus is on the development and testing of seismic sensors operating in a cryogenic environment at the National Lab of Gran Sasso (LNGS) in collaboration with a team at Sapienza University of Rome, which leads the cryogenics research in Europe for gravitational-wave detection.&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jan.harms</name></author>
		
	</entry>
	<entry>
		<id>http://wikiet.gssi.it/index.php?title=Cryogenics&amp;diff=245&amp;oldid=prev</id>
		<title>Jan.harms: Created page with &quot;= R&amp;D for GW detectors at cryogenic temperatures =&quot;</title>
		<link rel="alternate" type="text/html" href="http://wikiet.gssi.it/index.php?title=Cryogenics&amp;diff=245&amp;oldid=prev"/>
		<updated>2020-05-26T17:54:33Z</updated>

		<summary type="html">&lt;p&gt;Created page with &amp;quot;= R&amp;amp;D for GW detectors at cryogenic temperatures =&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;= R&amp;amp;D for GW detectors at cryogenic temperatures =&lt;/div&gt;</summary>
		<author><name>Jan.harms</name></author>
		
	</entry>
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