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The SLB can propagate over a theoretically infinite distance, and has recently been tested up to a distance of 900 m. This test confirmed the low divergence of the SLB core, of about 0.01 mrad in this case. Furthermore, a hollow SLB (HSLB) can be created by feeding the generator with vector beams. These properties open the possibility of creating new types of optical alignment systems that could be used over long distances, for example for particle accelerators. Investigations are on-going to optimize the SLB and fully evaluate its alignment potential. Methods are under development to accurately detect the center of the SLB, based either on the beam intensity distribution or on the measurement of particular polarization states of the HSLB. Moreover, in order to deal with alignment in harsh environment, systems based on passive elements are also of interest. This paper summarize these studies and includes a discussion of phenomena such as the straightness of the SLB. Gayde, Jean-Christophe; Dusek, Martin; Mergelkuhl, Dirk; Niewiem, Witold; Polak, Krystof; Roiková, Eva; Sulc, Miroslav" /> <meta name="keywords" content="alignment, optics, distributed, laser, polarization" /> <script type="text/javascript" src="https://cds.cern.ch/js/jquery.min.js"></script>  <link rel="stylesheet" href="https://cds.cern.ch/img/webnews.css" type="text/css" />  <script type="text/javascript" src="https://cds.cern.ch/js/webnews.js?v=20131009"></script> <meta property="fb:app_id" content="137353533001720"/> <script type="text/x-mathjax-config"> MathJax.Hub.Config({ tex2jax: {inlineMath: [['$','$']], processEscapes: true}, showProcessingMessages: false, messageStyle: "none" }); </script> <script src="/MathJax/MathJax.js?config=TeX-AMS_CHTML" type="text/javascript"> </script>  <meta content="JACOW : The potential contribution of a structured laser beam to accelerator alignment technology" name="citation_title" /> <meta content="Gayde, Jean-Christophe" name="citation_author" /> <meta content="Niewiem, Witold" name="citation_author" /> <meta content="Polak, Krystof" name="citation_author" /> <meta content="Dusek, Martin" name="citation_author" /> <meta content="Roiková, Eva" name="citation_author" /> <meta content="Sulc, Miroslav" name="citation_author" /> <meta content="Mergelkuhl, Dirk" name="citation_author" /> <meta content="10.18429/JACoW-IPAC2023-THPA041" name="citation_doi" /> <meta content="JACoW IPAC" name="citation_journal_title" /> <meta content="2023" name="citation_volume" /> <meta content="THPA041" name="citation_firstpage" /> <meta content="2023" name="citation_publication_date" /> <meta name="citation_online_date" content="2024/01/20"> <meta content="10.18429/JACoW-IPAC2023-THPA041" name="citation_doi" /> <meta name="citation_pdf_url" content="https://cds.cern.ch/record/2887023/files/document.pdf" />  <meta content="JACOW" property="og:title" /> <meta content="The potential contribution of a structured laser beam to accelerator alignment technology" property="og:title" /> <meta content="website" property="og:type" /> <meta content="website" property="og:type" /> <meta content="https://cds.cern.ch/record/2887023" property="og:url" /> <meta content="CERN Document Server" property="og:site_name" /> <meta content="The Structured Laser Beam (SLB) is a type of optical beam characterized by an intense, sharply defined, low divergence core at its center, similar in its transverse intensity distribution to a Bessel beam. The SLB can propagate over a theoretically infinite distance, and has recently been tested up to a distance of 900 m. This test confirmed the low divergence of the SLB core, of about 0.01 mrad in this case. Furthermore, a hollow SLB (HSLB) can be created by feeding the generator with vector beams. These properties open the possibility of creating new types of optical alignment systems that could be used over long distances, for example for particle accelerators. Investigations are on-going to optimize the SLB and fully evaluate its alignment potential. Methods are under development to accurately detect the center of the SLB, based either on the beam intensity distribution or on the measurement of particular polarization states of the HSLB. Moreover, in order to deal with alignment in harsh environment, systems based on passive elements are also of interest. 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U.) ; <a href="https://cds.cern.ch/search?f=author&p=Mergelkuhl%2C%20Dirk&ln=ru">Mergelkuhl, Dirk</a> (CERN) ; <a href="https://cds.cern.ch/search?f=author&p=Niewiem%2C%20Witold&ln=ru">Niewiem, Witold</a> (CERN ; Zurich, ETH) ; <a href="https://cds.cern.ch/search?f=author&p=Polak%2C%20Krystof&ln=ru">Polak, Krystof</a> (CERN ; Liberec Tech. U.) ; <a href="https://cds.cern.ch/search?f=author&p=Roikov%C3%A1%2C%20Eva&ln=ru">Roiková, Eva</a> (Liberec Tech. U.) ; <a href="https://cds.cern.ch/search?f=author&p=Sulc%2C%20Miroslav&ln=ru">Sulc, Miroslav</a> (Liberec Tech. U. ; Prague, Inst. Plasma Phys.)</td></tr> <tr><td class="formatRecordLabel"> Publication </td><td style="padding-left:5px;">2023</td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-IPAC2023-THPA041"><i>JACoW IPAC</i> 2023 (2023) THPA041</a> </a></td></tr> <tr><td class="formatRecordLabel"> In: </td><td style="padding-left:5px;"><a href="https://cds.cern.ch/record/2858945">14th International Particle Accelerator Conference (IPAC 2023)</a>, Venice, Italy, 7 - 12 May 2023, pp.THPA041</td></tr> <tr><td class="formatRecordLabel"> DOI </td><td style="padding-left:5px;"><a href="http://dx.doi.org/10.18429/JACoW-IPAC2023-THPA041" title="DOI" target="_blank">10.18429/JACoW-IPAC2023-THPA041</a> <tr><td class="formatRecordLabel"> Subject category </td><td style="padding-left:5px;">Accelerators and Storage Rings</td></tr> <tr><td class="formatRecordLabel"> Abstract </td><td style="padding-left:5px;">The Structured Laser Beam (SLB) is a type of optical beam characterized by an intense, sharply defined, low divergence core at its center, similar in its transverse intensity distribution to a Bessel beam. The SLB can propagate over a theoretically infinite distance, and has recently been tested up to a distance of 900 m. This test confirmed the low divergence of the SLB core, of about 0.01 mrad in this case. Furthermore, a hollow SLB (HSLB) can be created by feeding the generator with vector beams. These properties open the possibility of creating new types of optical alignment systems that could be used over long distances, for example for particle accelerators. Investigations are on-going to optimize the SLB and fully evaluate its alignment potential. Methods are under development to accurately detect the center of the SLB, based either on the beam intensity distribution or on the measurement of particular polarization states of the HSLB. Moreover, in order to deal with alignment in harsh environment, systems based on passive elements are also of interest. This paper summarize these studies and includes a discussion of phenomena such as the straightness of the SLB.</td></tr> <tr><td class="formatRecordLabel"> Copyright/License </td><td style="padding-left:5px;"><a href="https://creativecommons.org/licenses/by/4.0">CC-BY-4.0</a></td></tr> </table> <br/>Corresponding record in: <a href="http://inspirehep.net/record/2718329">Inspire</a> <small> </small> <br/> <br/><br/><div align="right"><div style="padding-bottom:2px;padding-top:30px;"><span class="moreinfo" style="margin-right:10px;"> <a href="" class="moreinfo">Back to search</a> </span></div></div> <div class="bottom-left-folded"><div class="recordlastmodifiedbox" style="position:relative;margin-left:1px"> Запись создана 2024-01-20, последняя модификация 2024-01-21</div></div> <div class="bottom-right-folded" style="text-align:right;padding-bottom:2px;"> <span class="moreinfo" style="margin-right:10px;"><a href="/search?ln=ru&p=recid%3A2887023&rm=wrd" class="moreinfo">Подобные записи</a></span></div> </div> </div> </div> <br/> <br /> <div class="detailedrecordminipanel"> <div class="top-left"></div><div class="top-right"></div> <div class="inside"> <div id="detailedrecordminipanelfile" style="width:33%;float:left;text-align:center;margin-top:0"> <div><small class="detailedRecordActions">Полный текст:</small> <br /><a href="/record/2887023/files/document.pdf"><img style="border:none" src="/img/file-icon-text-34x48.gif" alt="Загрузка полного текста" /><br />PDF</a><br /></div> </div> <div id="detailedrecordminipanelreview" style="width:30%;float:left;text-align:center"> </div> <div id="detailedrecordminipanelactions" style="width:36%;float:right;text-align:right;"> <ul class="detailedrecordactions"> <li><a href="/yourbaskets/add?ln=ru&recid=2887023">Добавить в личную книжную полку</a></li> <li>Экспортировать как <a style="text-decoration:underline;font-weight:normal" href="/record/2887023/export/hx?ln=ru">BibTeX</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2887023/export/hm?ln=ru">MARC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2887023/export/xm?ln=ru">MARCXML</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2887023/export/xd?ln=ru">DC</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2887023/export/xe?ln=ru">EndNote</a>,  <a style="text-decoration:underline;font-weight:normal" href="/record/2887023/export/xn?ln=ru">NLM</a>, <a style="text-decoration:underline;font-weight:normal" href="/record/2887023/export/xw?ln=ru">RefWorks</a> </li> </ul> <div style='padding-left: 13px;'>  <div id="bookmark"></div> <div id="bookmark_sciencewise"></div> <style type="text/css"> #bookmark_sciencewise, #bookmark {float: left;} #bookmark_sciencewise li {padding: 2px; width: 25px;} #bookmark_sciencewise ul, #bookmark ul {list-style-image: none;} </style> <script type="text/javascript" src="/js/jquery.bookmark.min.js"></script> <style type="text/css">@import "/css/jquery.bookmark.css";</style> <script type="text/javascript">// <![CDATA[ $.bookmark.addSite('sciencewise', 'ScienceWise.info', 'https://cds.cern.ch/img/sciencewise.png', 'en', 'bookmark', 'http://sciencewise.info/bookmarks/cds:2887023/add'); $('#bookmark_sciencewise').bookmark({sites: ['sciencewise']}); $('#bookmark').bookmark({ sites: ['facebook', 'twitter', 'linkedin', 'google_plusone'], icons: '/img/bookmarks.png', url: 'https://cds.cern.ch/record/2887023', addEmail: true, title: "The potential contribution of a structured laser beam to accelerator alignment technology", description: "The Structured Laser Beam (SLB) is a type of optical beam characterized by an intense, sharply defined, low divergence core at its center, similar in its transverse intensity distribution to a Bessel beam. The SLB can propagate over a theoretically infinite distance, and has recently been tested up to a distance of 900 m. This test confirmed the low divergence of the SLB core, of about 0.01 mrad in this case. Furthermore, a hollow SLB (HSLB) can be created by feeding the generator with vector beams. These properties open the possibility of creating new types of optical alignment systems that could be used over long distances, for example for particle accelerators. Investigations are on-going to optimize the SLB and fully evaluate its alignment potential. Methods are under development to accurately detect the center of the SLB, based either on the beam intensity distribution or on the measurement of particular polarization states of the HSLB. Moreover, in order to deal with alignment in harsh environment, systems based on passive elements are also of interest. 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