Self-focusing of near-infrared laser beams in GaAs
Self-focusing of Q-switched Nd-YAG laser radiation in single-crystal GaAs has been studied. Near- and far-field intensity distributions measured after the light has passed through 1 cm of GaAs are given for various incident pulse energies. The self-focusing correlates qualitatively with linear absor...
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| Veröffentlicht in: | Journal of applied physics 1975-05, Vol.46 (5), p.2177-2180 |
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| Sprache: | eng |
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| container_end_page | 2180 |
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| container_issue | 5 |
| container_start_page | 2177 |
| container_title | Journal of applied physics |
| container_volume | 46 |
| creator | Miller, Robert C. Nordland, W. A. |
| description | Self-focusing of Q-switched Nd-YAG laser radiation in single-crystal GaAs has been studied. Near- and far-field intensity distributions measured after the light has passed through 1 cm of GaAs are given for various incident pulse energies. The self-focusing correlates qualitatively with linear absorption but is found to be most pronounced in p-type material. This self-focusing is believed to be of thermal origin, resulting from absorption coupled with a refractive index that increases with temperature. |
| doi_str_mv | 10.1063/1.321862 |
| format | Article |
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Near- and far-field intensity distributions measured after the light has passed through 1 cm of GaAs are given for various incident pulse energies. The self-focusing correlates qualitatively with linear absorption but is found to be most pronounced in p-type material. This self-focusing is believed to be of thermal origin, resulting from absorption coupled with a refractive index that increases with temperature.</abstract><doi>10.1063/1.321862</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0021-8979 |
| ispartof | Journal of applied physics, 1975-05, Vol.46 (5), p.2177-2180 |
| issn | 0021-8979 1089-7550 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_22471114 |
| source | AIP Digital Archive |
| title | Self-focusing of near-infrared laser beams in GaAs |
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