Vibronic interactions in Nd:YAG resulting in nonreciprocity of absorption and stimulated emission cross sections
In this paper we discuss the quantum efficiency of the metastable 4 F_{3/2} state in Nd:YAG. We show that the vibronic interaction disrupts the equality between absorption and emission cross section ("reciprocity") upon which spectroscopic quantum efficiency measurements are based. Even if...
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| Veröffentlicht in: | IEEE journal of quantum electronics 1982-05, Vol.18 (5), p.925-930 |
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| container_title | IEEE journal of quantum electronics |
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| creator | Aull, B. Jenssen, H. |
| description | In this paper we discuss the quantum efficiency of the metastable 4 F_{3/2} state in Nd:YAG. We show that the vibronic interaction disrupts the equality between absorption and emission cross section ("reciprocity") upon which spectroscopic quantum efficiency measurements are based. Even if the electron-lattice coupling is weak, a phonon whose energy matches the energy difference between two electronic states can have a significant effect. Our spectroscopic measurements clearly show nonreciprocity and establish the importance of vibronics in Nd:YAG. The data are consistent with a high quantum efficiency. |
| doi_str_mv | 10.1109/JQE.1982.1071611 |
| format | Article |
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We show that the vibronic interaction disrupts the equality between absorption and emission cross section ("reciprocity") upon which spectroscopic quantum efficiency measurements are based. Even if the electron-lattice coupling is weak, a phonon whose energy matches the energy difference between two electronic states can have a significant effect. Our spectroscopic measurements clearly show nonreciprocity and establish the importance of vibronics in Nd:YAG. 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We show that the vibronic interaction disrupts the equality between absorption and emission cross section ("reciprocity") upon which spectroscopic quantum efficiency measurements are based. Even if the electron-lattice coupling is weak, a phonon whose energy matches the energy difference between two electronic states can have a significant effect. Our spectroscopic measurements clearly show nonreciprocity and establish the importance of vibronics in Nd:YAG. The data are consistent with a high quantum efficiency.</description><subject>Absorption</subject><subject>Fluorescence</subject><subject>Materials science and technology</subject><subject>Metastasis</subject><subject>Neodymium</subject><subject>Optical materials</subject><subject>Quantum mechanics</subject><subject>Spectroscopy</subject><subject>Spontaneous emission</subject><subject>Stimulated emission</subject><issn>0018-9197</issn><issn>1558-1713</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1982</creationdate><recordtype>article</recordtype><recordid>eNqFUT1PwzAUtBBIlMKOxOKJLcUvzofDVlWlgCoQEiAxWY79gozSJNjJ0H-PQzqwMT29e3enezpCLoEtAFhx8_iyXkAh4gWwHDKAIzKDNBUR5MCPyYwxEFEBRX5Kzrz_CmuSCDYj3bstXdtYTW3To1O6t23jw0KfzO3HckMd-qHubfM5Yk3bONS2c622_Z62FVWlb103iqhqDPW93Q216tFQ3FnvR1y71nvqcbI-JyeVqj1eHOacvN2tX1f30fZ587BabiOd8KyPiqKCjJlUxEmSmUoJBIAyYynH1BishI5zxXmsjSmhUKpEiLFUSsfhytDwObmefEPY7wF9L0MejXWtGmwHL2ORsyxJ0_-JnOVCcBaIbCL-PuSwkp2zO-X2EpgcO5ChAzl2IA8dBMnVJLGI-Ic-XX8A-BuGEg</recordid><startdate>19820501</startdate><enddate>19820501</enddate><creator>Aull, B.</creator><creator>Jenssen, H.</creator><general>IEEE</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>7SP</scope><scope>7U5</scope></search><sort><creationdate>19820501</creationdate><title>Vibronic interactions in Nd:YAG resulting in nonreciprocity of absorption and stimulated emission cross sections</title><author>Aull, B. ; Jenssen, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-99f160d582446dfa8e111b6053e5ddef8c27a332cddb19aabe12ebaac2dde0ed3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1982</creationdate><topic>Absorption</topic><topic>Fluorescence</topic><topic>Materials science and technology</topic><topic>Metastasis</topic><topic>Neodymium</topic><topic>Optical materials</topic><topic>Quantum mechanics</topic><topic>Spectroscopy</topic><topic>Spontaneous emission</topic><topic>Stimulated emission</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Aull, B.</creatorcontrib><creatorcontrib>Jenssen, H.</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><jtitle>IEEE journal of quantum electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Aull, B.</au><au>Jenssen, H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Vibronic interactions in Nd:YAG resulting in nonreciprocity of absorption and stimulated emission cross sections</atitle><jtitle>IEEE journal of quantum electronics</jtitle><stitle>JQE</stitle><date>1982-05-01</date><risdate>1982</risdate><volume>18</volume><issue>5</issue><spage>925</spage><epage>930</epage><pages>925-930</pages><issn>0018-9197</issn><eissn>1558-1713</eissn><coden>IEJQA7</coden><abstract>In this paper we discuss the quantum efficiency of the metastable 4 F_{3/2} state in Nd:YAG. We show that the vibronic interaction disrupts the equality between absorption and emission cross section ("reciprocity") upon which spectroscopic quantum efficiency measurements are based. Even if the electron-lattice coupling is weak, a phonon whose energy matches the energy difference between two electronic states can have a significant effect. Our spectroscopic measurements clearly show nonreciprocity and establish the importance of vibronics in Nd:YAG. The data are consistent with a high quantum efficiency.</abstract><pub>IEEE</pub><doi>10.1109/JQE.1982.1071611</doi><tpages>6</tpages></addata></record> |
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| ispartof | IEEE journal of quantum electronics, 1982-05, Vol.18 (5), p.925-930 |
| issn | 0018-9197 1558-1713 |
| language | eng |
| recordid | cdi_ieee_primary_1071611 |
| source | IEEE Electronic Library (IEL) |
| subjects | Absorption Fluorescence Materials science and technology Metastasis Neodymium Optical materials Quantum mechanics Spectroscopy Spontaneous emission Stimulated emission |
| title | Vibronic interactions in Nd:YAG resulting in nonreciprocity of absorption and stimulated emission cross sections |
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