Emission of Electrons from a Metal Needle when Irradiated with an IR Femtosecond Laser at a Wave Length of 1240 nm
The photoemission of electrons from a metal needle under the action of radiation from a femtose-cond IR laser with a wavelength of 1240 nm is studied. Diagnostics of electron bunches using the Faraday cup and the time-of-flight method show the possibility of obtaining electron pulses with a charge o...
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| Veröffentlicht in: | High temperature 2022-12, Vol.60 (Suppl 1), p.S16-S19 |
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| container_end_page | S19 |
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| container_issue | Suppl 1 |
| container_start_page | S16 |
| container_title | High temperature |
| container_volume | 60 |
| creator | Ovchinnikov, A. V. Chefonov, O. V. Agranat, M. B. Stepanov, A. N. |
| description | The photoemission of electrons from a metal needle under the action of radiation from a femtose-cond IR laser with a wavelength of 1240 nm is studied. Diagnostics of electron bunches using the Faraday cup and the time-of-flight method show the possibility of obtaining electron pulses with a charge of 40 pC at a laser pulse energy of 45 μJ. The dependence of the electron pulse charge, which is proportional to the sixth power of the laser pulse energy, indicates a multiphoton mechanism of electron emission. |
| doi_str_mv | 10.1134/S0018151X21040179 |
| format | Article |
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The dependence of the electron pulse charge, which is proportional to the sixth power of the laser pulse energy, indicates a multiphoton mechanism of electron emission.</description><subject>Atoms and Molecules in Strong Fields</subject><subject>Classical and Continuum Physics</subject><subject>Electron emission</subject><subject>Electron pulses</subject><subject>Electrons</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Laser Matter Interaction</subject><subject>Lasers</subject><subject>Materials Science</subject><subject>Photoelectric emission</subject><subject>Physical Chemistry</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Plasma Investigations</subject><subject>Time of flight method</subject><issn>0018-151X</issn><issn>1608-3156</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNp1kM1Lw0AQxRdRsFb_AG8LnqMz2c3XUUrVQlTwA72FTTLbpjS7dTe1-N-7pYIH8TQw7_feMI-xc4RLRCGvngEwxwTfYwQJmBUHbIQp5JHAJD1ko50c7fRjduL9EgCSJBYj5qZ9531nDbeaT1fUDM4az7WzPVf8nga14g9E7Yr4dkGGz5xTbacGavm2GxZchdUTv6F-sJ4aa1peKk-OqyHY39Qn8ZLMPIAhHmMJ3PSn7EirlaeznzlmrzfTl8ldVD7ezibXZdQITIdISlEkjWyllnleIIDSqdQQ3hMqhqKWlKWkEVQtRSNqjNNUZTk0uoC6bpJajNnFPnft7MeG_FAt7caZcLKKszxNZF4UeaBwTzXOeu9IV2vX9cp9VQjVrtrqT7XBE-89PrBmTu43-X_TN_TjeKk</recordid><startdate>20221201</startdate><enddate>20221201</enddate><creator>Ovchinnikov, A. 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| subjects | Atoms and Molecules in Strong Fields Classical and Continuum Physics Electron emission Electron pulses Electrons Industrial Chemistry/Chemical Engineering Laser Matter Interaction Lasers Materials Science Photoelectric emission Physical Chemistry Physics Physics and Astronomy Plasma Investigations Time of flight method |
| title | Emission of Electrons from a Metal Needle when Irradiated with an IR Femtosecond Laser at a Wave Length of 1240 nm |
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