Use of thulium-sensitized rare earth-doped low phonon energy crystalline hosts for IR sources.
Identifieur interne : 000228 ( PubMed/Checkpoint ); précédent : 000227; suivant : 000229Use of thulium-sensitized rare earth-doped low phonon energy crystalline hosts for IR sources.
Auteurs : Joseph Ganem [États-Unis] ; Steven R. BowmanSource :
- Nanoscale research letters [ 1931-7573 ] ; 2013.
Abstract
Crystalline hosts with low phonon energies enable novel energy transfer processes when doped with rare earth ions. Two applications of energy transfer for rare earth ions in thulium-sensitized low phonon energy crystals that result in infrared luminescence are discussed. One application is an endothermic, phonon-assisted cross-relaxation process in thulium-doped yttrium chloride that converts lattice phonons to infrared emission, which raises the possibility of a fundamentally new method for achieving solid-state optical cooling. The other application is an optically pumped mid-IR phosphor using thulium-praseodymium-doped potassium lead chloride that converts 805-nm diode light to broadband emission from 4,000 to 5,500 nm. These two applications in chloride crystals are discussed in terms of critical radii calculated from Forster-Dexter energy transfer theory. It is found that the critical radii for electric dipole-dipole interactions in low phonon energy chloride crystals are comparable to those in conventional oxide and fluoride crystals. It is the reduction in multi-phonon relaxation rates in chloride crystals that enable these additional energy transfer processes and infrared luminescence.
DOI: 10.1186/1556-276X-8-455
PubMed: 24180684
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Bowman</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2013">2013</date><idno type="doi">10.1186/1556-276X-8-455</idno><idno type="RBID">pubmed:24180684</idno><idno type="pmid">24180684</idno><idno type="wicri:Area/PubMed/Corpus">000232</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000232</idno><idno type="wicri:Area/PubMed/Curation">000232</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000232</idno><idno type="wicri:Area/PubMed/Checkpoint">000232</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000232</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Use of thulium-sensitized rare earth-doped low phonon energy crystalline hosts for IR sources.</title><author><name sortKey="Ganem, Joseph" sort="Ganem, Joseph" uniqKey="Ganem J" first="Joseph" last="Ganem">Joseph Ganem</name><affiliation wicri:level="2"><nlm:affiliation>Department of Physics, Loyola University Maryland, 4501 N, Charles Street, Baltimore, MD 21210, USA. Ganem@loyola.edu.</nlm:affiliation><country xml:lang="fr">États-Unis</country><wicri:regionArea>Department of Physics, Loyola University Maryland, 4501 N, Charles Street, Baltimore, MD 21210</wicri:regionArea><placeName><region type="state">Maryland</region></placeName></affiliation></author><author><name sortKey="Bowman, Steven R" sort="Bowman, Steven R" uniqKey="Bowman S" first="Steven R" last="Bowman">Steven R. Bowman</name></author></analytic><series><title level="j">Nanoscale research letters</title><idno type="ISSN">1931-7573</idno><imprint><date when="2013" type="published">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Crystalline hosts with low phonon energies enable novel energy transfer processes when doped with rare earth ions. Two applications of energy transfer for rare earth ions in thulium-sensitized low phonon energy crystals that result in infrared luminescence are discussed. One application is an endothermic, phonon-assisted cross-relaxation process in thulium-doped yttrium chloride that converts lattice phonons to infrared emission, which raises the possibility of a fundamentally new method for achieving solid-state optical cooling. The other application is an optically pumped mid-IR phosphor using thulium-praseodymium-doped potassium lead chloride that converts 805-nm diode light to broadband emission from 4,000 to 5,500 nm. These two applications in chloride crystals are discussed in terms of critical radii calculated from Forster-Dexter energy transfer theory. It is found that the critical radii for electric dipole-dipole interactions in low phonon energy chloride crystals are comparable to those in conventional oxide and fluoride crystals. It is the reduction in multi-phonon relaxation rates in chloride crystals that enable these additional energy transfer processes and infrared luminescence.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="PubMed-not-MEDLINE"><PMID Version="1">24180684</PMID><DateCreated><Year>2014</Year><Month>01</Month><Day>17</Day></DateCreated><DateCompleted><Year>2014</Year><Month>01</Month><Day>17</Day></DateCompleted><DateRevised><Year>2014</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Electronic"><Journal><ISSN IssnType="Print">1931-7573</ISSN><JournalIssue CitedMedium="Print"><Volume>8</Volume><Issue>1</Issue><PubDate><Year>2013</Year></PubDate></JournalIssue><Title>Nanoscale research letters</Title><ISOAbbreviation>Nanoscale Res Lett</ISOAbbreviation></Journal><ArticleTitle>Use of thulium-sensitized rare earth-doped low phonon energy crystalline hosts for IR sources.</ArticleTitle><Pagination><MedlinePgn>455</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1186/1556-276X-8-455</ELocationID><Abstract><AbstractText>Crystalline hosts with low phonon energies enable novel energy transfer processes when doped with rare earth ions. Two applications of energy transfer for rare earth ions in thulium-sensitized low phonon energy crystals that result in infrared luminescence are discussed. One application is an endothermic, phonon-assisted cross-relaxation process in thulium-doped yttrium chloride that converts lattice phonons to infrared emission, which raises the possibility of a fundamentally new method for achieving solid-state optical cooling. The other application is an optically pumped mid-IR phosphor using thulium-praseodymium-doped potassium lead chloride that converts 805-nm diode light to broadband emission from 4,000 to 5,500 nm. These two applications in chloride crystals are discussed in terms of critical radii calculated from Forster-Dexter energy transfer theory. It is found that the critical radii for electric dipole-dipole interactions in low phonon energy chloride crystals are comparable to those in conventional oxide and fluoride crystals. It is the reduction in multi-phonon relaxation rates in chloride crystals that enable these additional energy transfer processes and infrared luminescence.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Ganem</LastName><ForeName>Joseph</ForeName><Initials>J</Initials><AffiliationInfo><Affiliation>Department of Physics, Loyola University Maryland, 4501 N, Charles Street, Baltimore, MD 21210, USA. Ganem@loyola.edu.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Bowman</LastName><ForeName>Steven R</ForeName><Initials>SR</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType></PublicationTypeList><ArticleDate DateType="Electronic"><Year>2013</Year><Month>11</Month><Day>01</Day></ArticleDate></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Nanoscale Res Lett</MedlineTA><NlmUniqueID>101279750</NlmUniqueID><ISSNLinking>1556-276X</ISSNLinking></MedlineJournalInfo><OtherID Source="NLM">PMC4228387</OtherID></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="received"><Year>2013</Year><Month>8</Month><Day>4</Day></PubMedPubDate><PubMedPubDate PubStatus="accepted"><Year>2013</Year><Month>10</Month><Day>17</Day></PubMedPubDate><PubMedPubDate PubStatus="aheadofprint"><Year>2013</Year><Month>11</Month><Day>1</Day></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2013</Year><Month>11</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="pubmed"><Year>2013</Year><Month>11</Month><Day>5</Day><Hour>6</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2013</Year><Month>11</Month><Day>5</Day><Hour>6</Hour><Minute>1</Minute></PubMedPubDate></History><PublicationStatus>epublish</PublicationStatus><ArticleIdList><ArticleId IdType="pii">1556-276X-8-455</ArticleId><ArticleId IdType="doi">10.1186/1556-276X-8-455</ArticleId><ArticleId IdType="pubmed">24180684</ArticleId><ArticleId IdType="pmc">PMC4228387</ArticleId></ArticleIdList></PubmedData></pubmed><affiliations><list><country><li>États-Unis</li></country><region><li>Maryland</li></region></list><tree><noCountry><name sortKey="Bowman, Steven R" sort="Bowman, Steven R" uniqKey="Bowman S" first="Steven R" last="Bowman">Steven R. Bowman</name></noCountry><country name="États-Unis"><region name="Maryland"><name sortKey="Ganem, Joseph" sort="Ganem, Joseph" uniqKey="Ganem J" first="Joseph" last="Ganem">Joseph Ganem</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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