{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T17:52:06Z","timestamp":1785433926993,"version":"3.56.0"},"reference-count":36,"publisher":"Optica Publishing Group","issue":"6","license":[{"start":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T00:00:00Z","timestamp":1773792000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,3,18]],"date-time":"2026-03-18T00:00:00Z","timestamp":1773792000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/opg.optica.org\/policies\/opg-tdm-policy.json"}],"funder":[{"DOI":"10.13039\/501100001823","name":"Ministry of Education Youth and Sports","doi-asserted-by":"crossref","award":["CZ.02.01.01\/00\/23_020\/0008525"],"award-info":[{"award-number":["CZ.02.01.01\/00\/23_020\/0008525"]}],"id":[{"id":"10.13039\/501100001823","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/037n8p820","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001823","name":"Ministry of Education Youth and Sports","doi-asserted-by":"crossref","award":["Project LASCIMAT"],"award-info":[{"award-number":["Project LASCIMAT"]}],"id":[{"id":"10.13039\/501100001823","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/037n8p820","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001665","name":"Agence Nationale de la Recherche","doi-asserted-by":"crossref","award":["ANR-22-CE08-0031, FLAMIR"],"award-info":[{"award-number":["ANR-22-CE08-0031, FLAMIR"]}],"id":[{"id":"10.13039\/501100001665","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/00rbzpz17","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100018696","name":"R\u00e9gion Normandie","doi-asserted-by":"crossref","award":["Contrat de plan \u00c9tat-R\u00e9gion (CPER)"],"award-info":[{"award-number":["Contrat de plan \u00c9tat-R\u00e9gion (CPER)"]}],"id":[{"id":"10.13039\/501100018696","id-type":"DOI","asserted-by":"crossref"},{"id":"https:\/\/ror.org\/03cq89j92","id-type":"ROR","asserted-by":"publisher"}]}],"content-domain":{"domain":["opg.optica.org"],"crossmark-restriction":false},"short-container-title":["Opt. Express"],"published-print":{"date-parts":[[2026,3,23]]},"abstract":"<jats:p>\n                    We report on the eye-safe laser performance of Tm\n                    <jats:sup>3+<\/jats:sup>\n                    -doped calcium fluoride crystals, modified with optically inactive \u201cbuffer\u201d cations (Y\n                    <jats:sup>3+<\/jats:sup>\n                    , Lu\n                    <jats:sup>3+<\/jats:sup>\n                    , Gd\n                    <jats:sup>3+<\/jats:sup>\n                    , and La\n                    <jats:sup>3+<\/jats:sup>\n                    ), under in-band diode-pumping at 1.68 \u00b5m. In the free-running regime, the 1.5 at.% Tm, 4 at.% Y:CaF\n                    <jats:sub>2<\/jats:sub>\n                    laser operates with a high slope efficiency of 47% with respect to absorbed pump power. By employing an MgF\n                    <jats:sub>2<\/jats:sub>\n                    birefringent plate, the emission wavelength of this laser is continuously tuned over 242\u00a0nm (1820\u20132062 nm), highlighting its potential for broadly tunable and ultrafast oscillators. The spectroscopic properties of Tm\n                    <jats:sup>3+<\/jats:sup>\n                    ions in CaF\n                    <jats:sub>2<\/jats:sub>\n                    crystals with and without buffer ions are also compared.\n                  <\/jats:p>","DOI":"10.1364\/oe.585751","type":"journal-article","created":{"date-parts":[[2026,2,24]],"date-time":"2026-02-24T05:00:07Z","timestamp":1771909207000},"page":"11093","update-policy":"https:\/\/doi.org\/10.1364\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Resonantly pumped tunable Tm,X:CaF\n                    <sub>2<\/sub>\n                    lasers: effect of buffer ions (X = Y, La, Gd, and Lu)"],"prefix":"10.1364","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6166-671X","authenticated-orcid":true,"given":"Dominika","family":"Popelov\u00e1","sequence":"first","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03kqpb082","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5674-4055","authenticated-orcid":true,"given":"Karel","family":"Veselsk\u00fd","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03kqpb082","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4270-0668","authenticated-orcid":true,"given":"Pavel","family":"Loiko","sequence":"additional","affiliation":[{"name":"Centre de Recherche sur les Ions"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abdelmjid","family":"Benayad","sequence":"additional","affiliation":[{"name":"Centre de Recherche sur les Ions"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alain","family":"Braud","sequence":"additional","affiliation":[{"name":"Centre de Recherche sur les Ions"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Patrice","family":"Camy","sequence":"additional","affiliation":[{"name":"Centre de Recherche sur les Ions"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1175-4513","authenticated-orcid":true,"given":"Jan","family":"\u0160ulc","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03kqpb082","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Helena","family":"Jel\u00ednkov\u00e1","sequence":"additional","affiliation":[{"id":[{"id":"https:\/\/ror.org\/03kqpb082","id-type":"ROR","asserted-by":"publisher"}]}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"285","published-online":{"date-parts":[[2026,3,18]]},"reference":[{"key":"oe-34-6-11093-R2","doi-asserted-by":"publisher","first-page":"038001","DOI":"10.1117\/1.3431108","type":"journal-article","volume":"15","author":"Bilici","year":"2010","journal-title":"J. Biomed. Opt."},{"key":"oe-34-6-11093-R3","doi-asserted-by":"publisher","first-page":"131","DOI":"10.1364\/OME.6.000131","type":"journal-article","volume":"6","author":"Wang","year":"2016","journal-title":"Opt. Mater. Express"},{"key":"oe-34-6-11093-R4","doi-asserted-by":"publisher","first-page":"9987","DOI":"10.1364\/OE.27.009987","type":"journal-article","volume":"27","author":"Pan","year":"2019","journal-title":"Opt. Express"},{"key":"oe-34-6-11093-R5","doi-asserted-by":"publisher","first-page":"2287","DOI":"10.1364\/OME.8.002287","type":"journal-article","volume":"8","author":"Pan","year":"2018","journal-title":"Opt. Mater. Express"},{"key":"oe-34-6-11093-R6","doi-asserted-by":"publisher","first-page":"10299","DOI":"10.1364\/OE.26.010299","type":"journal-article","volume":"26","author":"Wang","year":"2018","journal-title":"Opt. 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Rep."},{"key":"oe-34-6-11093-R38","doi-asserted-by":"publisher","author":"Popelov\u00e1","year":"2025","DOI":"10.17632\/dyddsg8rzs.1","type":"dataset"}],"container-title":["Optics Express"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/opg.optica.org\/viewmedia.cfm?URI=oe-34-6-11093&seq=0","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T13:08:33Z","timestamp":1778677713000},"score":1,"resource":{"primary":{"URL":"https:\/\/opg.optica.org\/abstract.cfm?URI=oe-34-6-11093"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,3,18]]},"references-count":36,"journal-issue":{"issue":"6","published-online":{"date-parts":[[2026]]},"published-print":{"date-parts":[[2026]]}},"URL":"https:\/\/doi.org\/10.1364\/oe.585751","relation":{},"ISSN":["1094-4087"],"issn-type":[{"value":"1094-4087","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,3,18]]},"assertion":[{"value":"Optica Publishing Group","name":"publisher","label":"This article is maintained by"},{"value":"https:\/\/doi.org\/10.1364\/OE.585751","name":"articlelink","label":"Crossref DOI link to publisher maintained version"},{"value":"research-article","name":"content_type","label":"Article type"},{"value":"Screened by Similarity Check","name":"cross_check","label":"Similarity check"},{"value":"Yes","order":0,"name":"peer_reviewed","label":"Peer reviewed","group":{"name":"peer_review","label":"Peer review"}},{"value":"Single blind","order":1,"name":"review_process","label":"Review process","group":{"name":"peer_review","label":"Peer review"}},{"value":"25 November 2025","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"23 February 2026","order":1,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"18 March 2026","order":2,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}},{"value":"Published by Optica Publishing Group under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article\u2019s title, journal citation, and DOI.","name":"copyright","label":"Copyright"}]}}