Thermal conductivity of synthetic garnet laser crystals
The thermal conductivities of nine different synthetic garnet laser crystals at various temperatures, range from 273 to 393 K have been investigated by instantaneous measurement method. The results show that the thermal conductivity of each crystal decreases exponentially with the temperature increa...
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| Veröffentlicht in: | European physical journal. Applied physics 2007-07, Vol.39 (1), p.23-26 |
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| container_title | European physical journal. Applied physics |
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| creator | Wang, B. S. Jiang, H. H. Zhang, Q. L. Yin, S. T. |
| description | The thermal conductivities of nine different synthetic garnet laser crystals at various temperatures, range from 273 to 393 K have been investigated by instantaneous measurement method. The results show that the thermal conductivity of each crystal decreases exponentially with the temperature increasing. It is notable that, different host crystals, such as YAG, GGG, and GSGG have different thermal conductivity, which is attributed to the crucial influence of crystal structure and composition on the absolute value of their thermal conductivity. Moreover, with respect to the same host crystals, the impurity scattering also results in the change of their thermal conductivities. This is because that a higher concentration of doped ions leads to a more phonon scattering modes, which results in a shorter mean free path of the phonons and a lower thermal conductivity. In addition, different host crystals have various dependences of thermal conductivity on dopant concentration. This works provides reliable and useful information for designing high power, high quality, and high stability laser devices. |
| doi_str_mv | 10.1051/epjap:2007091 |
| format | Article |
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S. ; Jiang, H. H. ; Zhang, Q. L. ; Yin, S. T.</creator><creatorcontrib>Wang, B. S. ; Jiang, H. H. ; Zhang, Q. L. ; Yin, S. T.</creatorcontrib><description>The thermal conductivities of nine different synthetic garnet laser crystals at various temperatures, range from 273 to 393 K have been investigated by instantaneous measurement method. The results show that the thermal conductivity of each crystal decreases exponentially with the temperature increasing. It is notable that, different host crystals, such as YAG, GGG, and GSGG have different thermal conductivity, which is attributed to the crucial influence of crystal structure and composition on the absolute value of their thermal conductivity. Moreover, with respect to the same host crystals, the impurity scattering also results in the change of their thermal conductivities. This is because that a higher concentration of doped ions leads to a more phonon scattering modes, which results in a shorter mean free path of the phonons and a lower thermal conductivity. In addition, different host crystals have various dependences of thermal conductivity on dopant concentration. This works provides reliable and useful information for designing high power, high quality, and high stability laser devices.</description><identifier>ISSN: 1286-0042</identifier><identifier>EISSN: 1286-0050</identifier><identifier>DOI: 10.1051/epjap:2007091</identifier><language>eng</language><publisher>Les Ulis: EDP Sciences</publisher><subject>42.70.Hj ; 44.10.+i ; 65.40.-b ; 74.25.Fy ; Condensed matter: electronic structure, electrical, magnetic, and optical properties ; Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Fundamental areas of phenomenology (including applications) ; Heat conduction ; Heat transfer ; Laser materials ; Optical materials ; Optics ; Physics ; Properties of type I and type II superconductors ; Superconductivity ; Thermal properties of condensed matter ; Thermal properties of crystalline solids ; Transport properties (electric and thermal conductivity, thermoelectric effects, etc.)</subject><ispartof>European physical journal. 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T.</creatorcontrib><title>Thermal conductivity of synthetic garnet laser crystals</title><title>European physical journal. Applied physics</title><description>The thermal conductivities of nine different synthetic garnet laser crystals at various temperatures, range from 273 to 393 K have been investigated by instantaneous measurement method. The results show that the thermal conductivity of each crystal decreases exponentially with the temperature increasing. It is notable that, different host crystals, such as YAG, GGG, and GSGG have different thermal conductivity, which is attributed to the crucial influence of crystal structure and composition on the absolute value of their thermal conductivity. Moreover, with respect to the same host crystals, the impurity scattering also results in the change of their thermal conductivities. This is because that a higher concentration of doped ions leads to a more phonon scattering modes, which results in a shorter mean free path of the phonons and a lower thermal conductivity. In addition, different host crystals have various dependences of thermal conductivity on dopant concentration. 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S.</creatorcontrib><creatorcontrib>Jiang, H. H.</creatorcontrib><creatorcontrib>Zhang, Q. L.</creatorcontrib><creatorcontrib>Yin, S. T.</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>European physical journal. Applied physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, B. S.</au><au>Jiang, H. H.</au><au>Zhang, Q. L.</au><au>Yin, S. T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Thermal conductivity of synthetic garnet laser crystals</atitle><jtitle>European physical journal. Applied physics</jtitle><date>2007-07-01</date><risdate>2007</risdate><volume>39</volume><issue>1</issue><spage>23</spage><epage>26</epage><pages>23-26</pages><issn>1286-0042</issn><eissn>1286-0050</eissn><abstract>The thermal conductivities of nine different synthetic garnet laser crystals at various temperatures, range from 273 to 393 K have been investigated by instantaneous measurement method. The results show that the thermal conductivity of each crystal decreases exponentially with the temperature increasing. It is notable that, different host crystals, such as YAG, GGG, and GSGG have different thermal conductivity, which is attributed to the crucial influence of crystal structure and composition on the absolute value of their thermal conductivity. Moreover, with respect to the same host crystals, the impurity scattering also results in the change of their thermal conductivities. This is because that a higher concentration of doped ions leads to a more phonon scattering modes, which results in a shorter mean free path of the phonons and a lower thermal conductivity. In addition, different host crystals have various dependences of thermal conductivity on dopant concentration. This works provides reliable and useful information for designing high power, high quality, and high stability laser devices.</abstract><cop>Les Ulis</cop><cop>Berlin</cop><pub>EDP Sciences</pub><doi>10.1051/epjap:2007091</doi><tpages>4</tpages></addata></record> |
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| subjects | 42.70.Hj 44.10.+i 65.40.-b 74.25.Fy Condensed matter: electronic structure, electrical, magnetic, and optical properties Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Fundamental areas of phenomenology (including applications) Heat conduction Heat transfer Laser materials Optical materials Optics Physics Properties of type I and type II superconductors Superconductivity Thermal properties of condensed matter Thermal properties of crystalline solids Transport properties (electric and thermal conductivity, thermoelectric effects, etc.) |
| title | Thermal conductivity of synthetic garnet laser crystals |
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