Scleral heating with pulsed mid-infrared lasers and temperature-dependent absorption coefficient
Identifieur interne :
001352 ( Pascal/Corpus );
précédent :
001351;
suivant :
001353
Scleral heating with pulsed mid-infrared lasers and temperature-dependent absorption coefficient
Auteurs : F. Manns ;
J.-M. ParelSource :
-
SPIE proceedings series [ 1017-2653 ] ; 1997.
RBID : Pascal:97-0482787
Descripteurs français
English descriptors
Abstract
We studied the effect of the temperature-dependence of the scleral absorption coefficient on the accuracy of thermal models of laser-induced scleral heating. The scleral surface temperature increase during pulsed Holmium:YAG and Thulium:YAG laser irradiation was calculated with a constant (static model) and temperature-dependent (dynamic model) absorption coefficient. The one-dimensional heat equation was solved with the assumption that thermal diffusion during the pulse is negligible. We found that the dynamic model yields lower temperatures than the static model. For the sclera, the overestimation becomes significant when the surface temperature is above 70°C. This study shows that the temperature-dependence of the absorption coefficient must be taken into account to accurately predict laser-induced scleral or corneal heating.
Notice en format standard (ISO 2709)
Pour connaître la documentation sur le format Inist Standard.
| pA |
| A01 | 01 | 1 | | @0 1017-2653 |
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| A05 | | | | @2 2971 |
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| A08 | 01 | 1 | ENG | @1 Scleral heating with pulsed mid-infrared lasers and temperature-dependent absorption coefficient |
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| A09 | 01 | 1 | ENG | @1 Ophthalmic technologies VII : San Jose CA, 8-9 February 1997 |
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| A11 | 01 | 1 | | @1 MANNS (F.) |
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| A11 | 02 | 1 | | @1 PAREL (J.-M.) |
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| A12 | 01 | 1 | | @1 ROL (Pascal O.) @9 ed. |
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| A12 | 02 | 1 | | @1 JOOS (Karen M.) @9 ed. |
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| A12 | 03 | 1 | | @1 MANNS (Fabrice) @9 ed. |
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| A14 | 01 | | | @1 Ophthalmic Biophysics Center, Bascom Palmer Eye Institute, University of Miami @2 Miami, FL 33136 @3 USA |
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| A14 | 02 | | | @1 Department of Biomedical Engineering, University of Miami @2 Coral Gables, FL 33124 @3 USA |
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| A18 | 01 | 1 | | @1 International Society for Optical Engineering @2 Bellingham WA @3 USA @9 patr. |
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| A20 | | | | @1 55-58 |
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| A21 | | | | @1 1997 |
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| A23 | 01 | | | @0 ENG |
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| A26 | 01 | | | @0 0-8194-2382-3 |
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| A43 | 01 | | | @1 INIST @2 21760 @5 354000068083400090 |
|---|
| A44 | | | | @0 0000 @1 © 1997 INIST-CNRS. All rights reserved. |
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| A45 | | | | @0 5 ref. |
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| A47 | 01 | 1 | | @0 97-0482787 |
|---|
| A60 | | | | @1 P @2 C |
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| A61 | | | | @0 A |
|---|
| A64 | 01 | 1 | | @0 SPIE proceedings series |
|---|
| A66 | 01 | | | @0 USA |
|---|
| C01 | 01 | | ENG | @0 We studied the effect of the temperature-dependence of the scleral absorption coefficient on the accuracy of thermal models of laser-induced scleral heating. The scleral surface temperature increase during pulsed Holmium:YAG and Thulium:YAG laser irradiation was calculated with a constant (static model) and temperature-dependent (dynamic model) absorption coefficient. The one-dimensional heat equation was solved with the assumption that thermal diffusion during the pulse is negligible. We found that the dynamic model yields lower temperatures than the static model. For the sclera, the overestimation becomes significant when the surface temperature is above 70°C. This study shows that the temperature-dependence of the absorption coefficient must be taken into account to accurately predict laser-induced scleral or corneal heating. |
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| C02 | 01 | X | | @0 002B09E |
|---|
| C03 | 01 | X | FRE | @0 Sclérotique @5 01 |
|---|
| C03 | 01 | X | ENG | @0 Sclera @5 01 |
|---|
| C03 | 01 | X | SPA | @0 Esclerótica @5 01 |
|---|
| C03 | 02 | X | FRE | @0 Coefficient absorption @5 02 |
|---|
| C03 | 02 | X | ENG | @0 Absorptance @5 02 |
|---|
| C03 | 02 | X | SPA | @0 Coeficiente absorción @5 02 |
|---|
| C03 | 03 | X | FRE | @0 Méthode thermique @5 07 |
|---|
| C03 | 03 | X | ENG | @0 Thermal method @5 07 |
|---|
| C03 | 03 | X | SPA | @0 Método térmico @5 07 |
|---|
| C03 | 04 | X | FRE | @0 Modélisation @5 08 |
|---|
| C03 | 04 | X | ENG | @0 Modeling @5 08 |
|---|
| C03 | 04 | X | SPA | @0 Modelización @5 08 |
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| C03 | 05 | X | FRE | @0 Température @5 09 |
|---|
| C03 | 05 | X | ENG | @0 Temperature @5 09 |
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| C03 | 05 | X | GER | @0 Temperatur @5 09 |
|---|
| C03 | 05 | X | SPA | @0 Temperatura @5 09 |
|---|
| C03 | 06 | X | FRE | @0 Chauffage laser @5 10 |
|---|
| C03 | 06 | X | ENG | @0 Laser heating @5 10 |
|---|
| C03 | 06 | X | SPA | @0 Calentamiento láser @5 10 |
|---|
| C03 | 07 | X | FRE | @0 Rayonnement IR moyen @5 11 |
|---|
| C03 | 07 | X | ENG | @0 Mid infrared radiation @5 11 |
|---|
| C03 | 07 | X | SPA | @0 Radiación infrarroja media @5 11 |
|---|
| C03 | 08 | X | FRE | @0 Laser @5 12 |
|---|
| C03 | 08 | X | ENG | @0 Laser @5 12 |
|---|
| C03 | 08 | X | GER | @0 Laser @5 12 |
|---|
| C03 | 08 | X | SPA | @0 Laser @5 12 |
|---|
| C03 | 09 | X | FRE | @0 Thermokératoplastie @5 13 |
|---|
| C03 | 09 | X | ENG | @0 Thermokeratoplasty @5 13 |
|---|
| C03 | 09 | X | SPA | @0 Termoqueratoplastia @5 13 |
|---|
| C07 | 01 | X | FRE | @0 Sclérotique pathologie @5 04 |
|---|
| C07 | 01 | X | ENG | @0 Sclera disease @5 04 |
|---|
| C07 | 01 | X | SPA | @0 Esclerótica patología @5 04 |
|---|
| C07 | 02 | X | FRE | @0 Oeil pathologie @5 05 |
|---|
| C07 | 02 | X | ENG | @0 Eye disease @5 05 |
|---|
| C07 | 02 | X | SPA | @0 Ojo patología @5 05 |
|---|
| N21 | | | | @1 293 |
|---|
|
|---|
| pR |
| A30 | 01 | 1 | ENG | @1 Ophthalmic tehcnologies. Conference @2 7 @3 San Jose CA USA @4 1997-02-08 |
|---|
|
|---|
Format Inist (serveur)
| NO : | PASCAL 97-0482787 INIST |
|---|
| ET : | Scleral heating with pulsed mid-infrared lasers and temperature-dependent absorption coefficient |
|---|
| AU : | MANNS (F.); PAREL (J.-M.); ROL (Pascal O.); JOOS (Karen M.); MANNS (Fabrice) |
|---|
| AF : | Ophthalmic Biophysics Center, Bascom Palmer Eye Institute, University of Miami/Miami, FL 33136/Etats-Unis; Department of Biomedical Engineering, University of Miami/Coral Gables, FL 33124/Etats-Unis |
|---|
| DT : | Publication en série; Congrès; Niveau analytique |
|---|
| SO : | SPIE proceedings series; ISSN 1017-2653; Etats-Unis; Da. 1997; Vol. 2971; Pp. 55-58; Bibl. 5 ref. |
|---|
| LA : | Anglais |
|---|
| EA : | We studied the effect of the temperature-dependence of the scleral absorption coefficient on the accuracy of thermal models of laser-induced scleral heating. The scleral surface temperature increase during pulsed Holmium:YAG and Thulium:YAG laser irradiation was calculated with a constant (static model) and temperature-dependent (dynamic model) absorption coefficient. The one-dimensional heat equation was solved with the assumption that thermal diffusion during the pulse is negligible. We found that the dynamic model yields lower temperatures than the static model. For the sclera, the overestimation becomes significant when the surface temperature is above 70°C. This study shows that the temperature-dependence of the absorption coefficient must be taken into account to accurately predict laser-induced scleral or corneal heating. |
|---|
| CC : | 002B09E |
|---|
| FD : | Sclérotique; Coefficient absorption; Méthode thermique; Modélisation; Température; Chauffage laser; Rayonnement IR moyen; Laser; Thermokératoplastie |
|---|
| FG : | Sclérotique pathologie; Oeil pathologie |
|---|
| ED : | Sclera; Absorptance; Thermal method; Modeling; Temperature; Laser heating; Mid infrared radiation; Laser; Thermokeratoplasty |
|---|
| EG : | Sclera disease; Eye disease |
|---|
| GD : | Temperatur; Laser |
|---|
| SD : | Esclerótica; Coeficiente absorción; Método térmico; Modelización; Temperatura; Calentamiento láser; Radiación infrarroja media; Laser; Termoqueratoplastia |
|---|
| LO : | INIST-21760.354000068083400090 |
|---|
| ID : | 97-0482787 |
|---|
Links to Exploration step
Pascal:97-0482787
Le document en format XML
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</keywords><front><div type="abstract" xml:lang="en">We studied the effect of the temperature-dependence of the scleral absorption coefficient on the accuracy of thermal models of laser-induced scleral heating. The scleral surface temperature increase during pulsed Holmium:YAG and Thulium:YAG laser irradiation was calculated with a constant (static model) and temperature-dependent (dynamic model) absorption coefficient. The one-dimensional heat equation was solved with the assumption that thermal diffusion during the pulse is negligible. We found that the dynamic model yields lower temperatures than the static model. For the sclera, the overestimation becomes significant when the surface temperature is above 70°C. This study shows that the temperature-dependence of the absorption coefficient must be taken into account to accurately predict laser-induced scleral or corneal heating.</div>
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</fA12><fA12 i1="03" i2="1"><s1>MANNS (Fabrice)</s1>
<s9>ed.</s9>
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<s2>Coral Gables, FL 33124</s2>
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</fA14><fA18 i1="01" i2="1"><s1>International Society for Optical Engineering</s1>
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</fC01><fC02 i1="01" i2="X"><s0>002B09E</s0>
</fC02><fC03 i1="01" i2="X" l="FRE"><s0>Sclérotique</s0>
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</fC03><fC03 i1="01" i2="X" l="ENG"><s0>Sclera</s0>
<s5>01</s5>
</fC03><fC03 i1="01" i2="X" l="SPA"><s0>Esclerótica</s0>
<s5>01</s5>
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<s5>02</s5>
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<s5>02</s5>
</fC03><fC03 i1="02" i2="X" l="SPA"><s0>Coeficiente absorción</s0>
<s5>02</s5>
</fC03><fC03 i1="03" i2="X" l="FRE"><s0>Méthode thermique</s0>
<s5>07</s5>
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<s5>07</s5>
</fC03><fC03 i1="03" i2="X" l="SPA"><s0>Método térmico</s0>
<s5>07</s5>
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<s5>08</s5>
</fC03><fC03 i1="04" i2="X" l="ENG"><s0>Modeling</s0>
<s5>08</s5>
</fC03><fC03 i1="04" i2="X" l="SPA"><s0>Modelización</s0>
<s5>08</s5>
</fC03><fC03 i1="05" i2="X" l="FRE"><s0>Température</s0>
<s5>09</s5>
</fC03><fC03 i1="05" i2="X" l="ENG"><s0>Temperature</s0>
<s5>09</s5>
</fC03><fC03 i1="05" i2="X" l="GER"><s0>Temperatur</s0>
<s5>09</s5>
</fC03><fC03 i1="05" i2="X" l="SPA"><s0>Temperatura</s0>
<s5>09</s5>
</fC03><fC03 i1="06" i2="X" l="FRE"><s0>Chauffage laser</s0>
<s5>10</s5>
</fC03><fC03 i1="06" i2="X" l="ENG"><s0>Laser heating</s0>
<s5>10</s5>
</fC03><fC03 i1="06" i2="X" l="SPA"><s0>Calentamiento láser</s0>
<s5>10</s5>
</fC03><fC03 i1="07" i2="X" l="FRE"><s0>Rayonnement IR moyen</s0>
<s5>11</s5>
</fC03><fC03 i1="07" i2="X" l="ENG"><s0>Mid infrared radiation</s0>
<s5>11</s5>
</fC03><fC03 i1="07" i2="X" l="SPA"><s0>Radiación infrarroja media</s0>
<s5>11</s5>
</fC03><fC03 i1="08" i2="X" l="FRE"><s0>Laser</s0>
<s5>12</s5>
</fC03><fC03 i1="08" i2="X" l="ENG"><s0>Laser</s0>
<s5>12</s5>
</fC03><fC03 i1="08" i2="X" l="GER"><s0>Laser</s0>
<s5>12</s5>
</fC03><fC03 i1="08" i2="X" l="SPA"><s0>Laser</s0>
<s5>12</s5>
</fC03><fC03 i1="09" i2="X" l="FRE"><s0>Thermokératoplastie</s0>
<s5>13</s5>
</fC03><fC03 i1="09" i2="X" l="ENG"><s0>Thermokeratoplasty</s0>
<s5>13</s5>
</fC03><fC03 i1="09" i2="X" l="SPA"><s0>Termoqueratoplastia</s0>
<s5>13</s5>
</fC03><fC07 i1="01" i2="X" l="FRE"><s0>Sclérotique pathologie</s0>
<s5>04</s5>
</fC07><fC07 i1="01" i2="X" l="ENG"><s0>Sclera disease</s0>
<s5>04</s5>
</fC07><fC07 i1="01" i2="X" l="SPA"><s0>Esclerótica patología</s0>
<s5>04</s5>
</fC07><fC07 i1="02" i2="X" l="FRE"><s0>Oeil pathologie</s0>
<s5>05</s5>
</fC07><fC07 i1="02" i2="X" l="ENG"><s0>Eye disease</s0>
<s5>05</s5>
</fC07><fC07 i1="02" i2="X" l="SPA"><s0>Ojo patología</s0>
<s5>05</s5>
</fC07><fN21><s1>293</s1>
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</fA30><server><NO>PASCAL 97-0482787 INIST</NO>
<ET>Scleral heating with pulsed mid-infrared lasers and temperature-dependent absorption coefficient</ET>
<AU>MANNS (F.); PAREL (J.-M.); ROL (Pascal O.); JOOS (Karen M.); MANNS (Fabrice)</AU>
<AF>Ophthalmic Biophysics Center, Bascom Palmer Eye Institute, University of Miami/Miami, FL 33136/Etats-Unis; Department of Biomedical Engineering, University of Miami/Coral Gables, FL 33124/Etats-Unis</AF>
<DT>Publication en série; Congrès; Niveau analytique</DT>
<SO>SPIE proceedings series; ISSN 1017-2653; Etats-Unis; Da. 1997; Vol. 2971; Pp. 55-58; Bibl. 5 ref.</SO>
<LA>Anglais</LA>
<EA>We studied the effect of the temperature-dependence of the scleral absorption coefficient on the accuracy of thermal models of laser-induced scleral heating. The scleral surface temperature increase during pulsed Holmium:YAG and Thulium:YAG laser irradiation was calculated with a constant (static model) and temperature-dependent (dynamic model) absorption coefficient. The one-dimensional heat equation was solved with the assumption that thermal diffusion during the pulse is negligible. We found that the dynamic model yields lower temperatures than the static model. For the sclera, the overestimation becomes significant when the surface temperature is above 70°C. This study shows that the temperature-dependence of the absorption coefficient must be taken into account to accurately predict laser-induced scleral or corneal heating.</EA>
<CC>002B09E</CC>
<FD>Sclérotique; Coefficient absorption; Méthode thermique; Modélisation; Température; Chauffage laser; Rayonnement IR moyen; Laser; Thermokératoplastie</FD>
<FG>Sclérotique pathologie; Oeil pathologie</FG>
<ED>Sclera; Absorptance; Thermal method; Modeling; Temperature; Laser heating; Mid infrared radiation; Laser; Thermokeratoplasty</ED>
<EG>Sclera disease; Eye disease</EG>
<GD>Temperatur; Laser</GD>
<SD>Esclerótica; Coeficiente absorción; Método térmico; Modelización; Temperatura; Calentamiento láser; Radiación infrarroja media; Laser; Termoqueratoplastia</SD>
<LO>INIST-21760.354000068083400090</LO>
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