Excited-state thermionic emission in III-antimonides: Low emittance ultrafast photocathodes
The normalized rms transverse emittance of an electron source is shown to be proportional to m*, where m* is the effective mass of the state from which the electron is emitted, by direct observation of the transverse momentum distribution for excited-state thermionic emission from two III-V semicond...
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| Veröffentlicht in: | Applied physics letters 2012-11, Vol.101 (19) |
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| container_issue | 19 |
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| container_title | Applied physics letters |
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| creator | Berger, Joel A. Rickman, B. L. Li, T. Nicholls, A. W. Andreas Schroeder, W. |
| description | The normalized rms transverse emittance of an electron source is shown to be proportional to m*, where m* is the effective mass of the state from which the electron is emitted, by direct observation of the transverse momentum distribution for excited-state thermionic emission from two III-V semiconductor photocathodes, GaSb and InSb, together with a control experiment employing two-photon emission from gold. Simulations of the experiment using an extended analytical Gaussian model of electron pulse propagation are in close agreement with the data. |
| doi_str_mv | 10.1063/1.4766350 |
| format | Article |
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L.</creatorcontrib><creatorcontrib>Li, T.</creatorcontrib><creatorcontrib>Nicholls, A. W.</creatorcontrib><creatorcontrib>Andreas Schroeder, W.</creatorcontrib><title>Excited-state thermionic emission in III-antimonides: Low emittance ultrafast photocathodes</title><title>Applied physics letters</title><description>The normalized rms transverse emittance of an electron source is shown to be proportional to m*, where m* is the effective mass of the state from which the electron is emitted, by direct observation of the transverse momentum distribution for excited-state thermionic emission from two III-V semiconductor photocathodes, GaSb and InSb, together with a control experiment employing two-photon emission from gold. 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W.</au><au>Andreas Schroeder, W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Excited-state thermionic emission in III-antimonides: Low emittance ultrafast photocathodes</atitle><jtitle>Applied physics letters</jtitle><date>2012-11-05</date><risdate>2012</risdate><volume>101</volume><issue>19</issue><issn>0003-6951</issn><eissn>1077-3118</eissn><abstract>The normalized rms transverse emittance of an electron source is shown to be proportional to m*, where m* is the effective mass of the state from which the electron is emitted, by direct observation of the transverse momentum distribution for excited-state thermionic emission from two III-V semiconductor photocathodes, GaSb and InSb, together with a control experiment employing two-photon emission from gold. Simulations of the experiment using an extended analytical Gaussian model of electron pulse propagation are in close agreement with the data.</abstract><doi>10.1063/1.4766350</doi></addata></record> |
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| identifier | ISSN: 0003-6951 |
| ispartof | Applied physics letters, 2012-11, Vol.101 (19) |
| issn | 0003-6951 1077-3118 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_1323217062 |
| source | AIP Journals Complete; AIP Digital Archive; Alma/SFX Local Collection |
| subjects | Electron sources Emittance Excitation Gaussian Indium antimonides Photocathodes Semiconductors Thermionic emission |
| title | Excited-state thermionic emission in III-antimonides: Low emittance ultrafast photocathodes |
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