{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T14:09:32Z","timestamp":1778681372920,"version":"3.51.4"},"reference-count":26,"publisher":"Optica Publishing Group","issue":"8","license":[{"start":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T00:00:00Z","timestamp":1776384000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/doi.org\/10.1364\/OA_License_v2#VOR-OA"},{"start":{"date-parts":[[2026,4,17]],"date-time":"2026-04-17T00:00:00Z","timestamp":1776384000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/100006133","name":"Advanced Research Projects Agency - Energy","doi-asserted-by":"publisher","award":["GEMINA, DE-AR0001293"],"award-info":[{"award-number":["GEMINA, DE-AR0001293"]}],"id":[{"id":"10.13039\/100006133","id-type":"DOI","asserted-by":"publisher"}]},{"name":"University of Wisconsin\u2019s Thermal Hydraulics Laboratory"}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Opt. Express"],"published-print":{"date-parts":[[2026,4,20]]},"abstract":"<jats:p>\n                    In a previous publication [\n                    <jats:mixed-citation publication-type=\"journal\">\n                      <jats:source>Opt. Express<\/jats:source>\n                      <jats:volume>21<\/jats:volume>\n                      ,\n                      <jats:fpage>28182<\/jats:fpage>\n                      (\n                      <jats:year>2013<\/jats:year>\n                      )\n                      <jats:pub-id pub-id-type=\"doi\">10.1364\/OE.21.028182<\/jats:pub-id>\n                    <\/jats:mixed-citation>\n                    ], Daido\n                    <jats:italic toggle=\"yes\">et al<\/jats:italic>\n                    . reported that solid samples of metallic sodium exhibited high transparency of vacuum ultraviolet light through several millimeter-thick samples. The calculated extinction coefficient associated with these observations was near 7E-7, over 4 orders of magnitude lower than previous measurements. In this paper, we will compare the phenomenon reported by Daido\n                    <jats:italic toggle=\"yes\">et al<\/jats:italic>\n                    . with the existing literature to establish that there is no peer-reviewed support for the observations. Further, this paper will discuss a rigorous experimental campaign that failed to replicate the transmission phenomenon observed by Daido\n                    <jats:italic toggle=\"yes\">et al<\/jats:italic>\n                    .\n                  <\/jats:p>","DOI":"10.1364\/oe.560729","type":"journal-article","created":{"date-parts":[[2025,4,24]],"date-time":"2025-04-24T09:00:29Z","timestamp":1745485229000},"page":"15812","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Demonstration of partially transparent thick metallic sodium in the vacuum ultraviolet spectral range: comment"],"prefix":"10.1364","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9005-8841","authenticated-orcid":true,"given":"Jacob A.","family":"Gottfried","sequence":"first","affiliation":[{"name":"University of Wisconsin-Madison"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Chen","family":"Shen","sequence":"additional","affiliation":[{"name":"University of Wisconsin-Madison"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Dane","family":"Morgan","sequence":"additional","affiliation":[{"name":"University of Wisconsin-Madison"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mark H.","family":"Anderson","sequence":"additional","affiliation":[{"name":"University of Wisconsin-Madison"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Scott T.","family":"Sanders","sequence":"additional","affiliation":[{"name":"University of Wisconsin-Madison"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"285","published-online":{"date-parts":[[2026,4,17]]},"reference":[{"key":"oe-34-8-15812-R1","doi-asserted-by":"publisher","first-page":"968","DOI":"10.1038\/132968a0","type":"journal-article","volume":"132","author":"Zener","year":"1933","journal-title":"Nature"},{"key":"oe-34-8-15812-R2","doi-asserted-by":"publisher","first-page":"211","DOI":"10.1038\/133211b0","type":"journal-article","volume":"133","author":"Kronig","year":"1934","journal-title":"Nature"},{"key":"oe-34-8-15812-R3","doi-asserted-by":"publisher","first-page":"332","DOI":"10.1103\/PhysRev.54.332","type":"journal-article","volume":"54","author":"Wood","year":"1938","journal-title":"Phys. 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