Mid-infrared laser-induced superheating of water and its quantification by an optical temperature probe.
Identifieur interne : 000683 ( PubMed/Corpus ); précédent : 000682; suivant : 000684Mid-infrared laser-induced superheating of water and its quantification by an optical temperature probe.
Auteurs : Tobias Brendel ; Ralf BrinkmannSource :
- Applied optics [ 0003-6935 ] ; 2004.
English descriptors
- KwdEn :
- MESH :
- chemical : Water.
- instrumentation : Optics and Photonics.
- Hot Temperature, Infrared Rays, Lasers, Thermometers.
Abstract
Free-running thulium laser pulses (Cr:Tm:YAG, lambda = 2.01 microm, tp = 300 micros) were applied to a purified, degassed water sample and the resulting temperature rise was investigated by an optical temperature probe. The probe detected water reflectance index changes with temperature and also the onset of vaporization, which was found to occur in a superheat regime, at approximately 230 degrees C. The experimental data were compared with theoretical temperature calculations, and deviations of less than 20 degrees C were stated. The best agreement between theory and experiment was found for temperatures below 180 degrees C, defining by this the method's high accuracy limit. In conclusion, both the optical temperature probe and the presented calculations can help to improve dosimetry in pulsed IR laser applications by precise temperature measurement and prediction.
PubMed: 15065715
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pubmed:15065715Le document en format XML
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The probe detected water reflectance index changes with temperature and also the onset of vaporization, which was found to occur in a superheat regime, at approximately 230 degrees C. The experimental data were compared with theoretical temperature calculations, and deviations of less than 20 degrees C were stated. The best agreement between theory and experiment was found for temperatures below 180 degrees C, defining by this the method's high accuracy limit. In conclusion, both the optical temperature probe and the presented calculations can help to improve dosimetry in pulsed IR laser applications by precise temperature measurement and prediction.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">15065715</PMID><DateCreated><Year>2004</Year><Month>04</Month><Day>06</Day></DateCreated><DateCompleted><Year>2004</Year><Month>04</Month><Day>28</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0003-6935</ISSN><JournalIssue CitedMedium="Print"><Volume>43</Volume><Issue>9</Issue><PubDate><Year>2004</Year><Month>Mar</Month><Day>20</Day></PubDate></JournalIssue><Title>Applied optics</Title><ISOAbbreviation>Appl Opt</ISOAbbreviation></Journal><ArticleTitle>Mid-infrared laser-induced superheating of water and its quantification by an optical temperature probe.</ArticleTitle><Pagination><MedlinePgn>1856-62</MedlinePgn></Pagination><Abstract><AbstractText>Free-running thulium laser pulses (Cr:Tm:YAG, lambda = 2.01 microm, tp = 300 micros) were applied to a purified, degassed water sample and the resulting temperature rise was investigated by an optical temperature probe. The probe detected water reflectance index changes with temperature and also the onset of vaporization, which was found to occur in a superheat regime, at approximately 230 degrees C. The experimental data were compared with theoretical temperature calculations, and deviations of less than 20 degrees C were stated. The best agreement between theory and experiment was found for temperatures below 180 degrees C, defining by this the method's high accuracy limit. In conclusion, both the optical temperature probe and the presented calculations can help to improve dosimetry in pulsed IR laser applications by precise temperature measurement and prediction.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Brendel</LastName><ForeName>Tobias</ForeName><Initials>T</Initials><AffiliationInfo><Affiliation>brendel@scimedia.de</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Brinkmann</LastName><ForeName>Ralf</ForeName><Initials>R</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>United States</Country><MedlineTA>Appl Opt</MedlineTA><NlmUniqueID>0247660</NlmUniqueID><ISSNLinking>0003-6935</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>059QF0KO0R</RegistryNumber><NameOfSubstance UI="D014867">Water</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D006358">Hot Temperature</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D007259">Infrared Rays</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D007834">Lasers</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N" UI="D055095">Optics and Photonics</DescriptorName><QualifierName MajorTopicYN="Y" UI="Q000295">instrumentation</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D013821">Thermometers</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="Y" UI="D014867">Water</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2004</Year><Month>4</Month><Day>7</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2004</Year><Month>4</Month><Day>29</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2004</Year><Month>4</Month><Day>7</Day><Hour>5</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15065715</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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