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Investigations of energy transfer of high intensity (I = 5 × 1019 W/cm2), ultrashort (<30 fs) Ti:Sa laser pulses to solid targets with a randomly rough surface have been performed. We investigated the influence of the target surface morphology on the efficiency of energy transfer of p- polarized laser pulses characterized by a very high contrast. Targets with a roughness σ larger than ∼20% of the laser wavelength proved to absorb a remarkably large fraction of energy reaching up to 70%, almost independent of the incidence angle. Numerical simulations of various interaction conditions are in agreement with the experimental data and confirm the effect of the target morphology and its surface parameters on the enhanced energy absorbed fraction.
| Язык оригинала | английский |
|---|---|
| Номер статьи | 221103 |
| Журнал | Applied Physics Letters |
| Том | 112 |
| Номер выпуска | 22 |
| DOI | |
| Состояние | Опубликовано - 28 мая 2018 |
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Предметные области Scopus
- Физика и астрономия (разное)
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Enhanced energy absorption of high intensity laser pulses by targets of modulated surface. / Cerchez, M.; Swantusch, M.; Toncian, M.; Zhu, X. M.; Prasad, R.; Toncian, T.; Rödel, Ch; Jäckel, O.; Paulus, G. G.; Andreev, A. A.; Willi, O.
В: Applied Physics Letters, Том 112, № 22, 221103, 28.05.2018.Результат исследований: Научные публикации в периодических изданиях › статья
TY - JOUR
T1 - Enhanced energy absorption of high intensity laser pulses by targets of modulated surface
AU - Cerchez, M.
AU - Swantusch, M.
AU - Toncian, M.
AU - Zhu, X. M.
AU - Prasad, R.
AU - Toncian, T.
AU - Rödel, Ch
AU - Jäckel, O.
AU - Paulus, G. G.
AU - Andreev, A. A.
AU - Willi, O.
PY - 2018/5/28
Y1 - 2018/5/28
N2 - Investigations of energy transfer of high intensity (I = 5 × 1019 W/cm2), ultrashort (<30 fs) Ti:Sa laser pulses to solid targets with a randomly rough surface have been performed. We investigated the influence of the target surface morphology on the efficiency of energy transfer of p- polarized laser pulses characterized by a very high contrast. Targets with a roughness σ larger than ∼20% of the laser wavelength proved to absorb a remarkably large fraction of energy reaching up to 70%, almost independent of the incidence angle. Numerical simulations of various interaction conditions are in agreement with the experimental data and confirm the effect of the target morphology and its surface parameters on the enhanced energy absorbed fraction.
AB - Investigations of energy transfer of high intensity (I = 5 × 1019 W/cm2), ultrashort (<30 fs) Ti:Sa laser pulses to solid targets with a randomly rough surface have been performed. We investigated the influence of the target surface morphology on the efficiency of energy transfer of p- polarized laser pulses characterized by a very high contrast. Targets with a roughness σ larger than ∼20% of the laser wavelength proved to absorb a remarkably large fraction of energy reaching up to 70%, almost independent of the incidence angle. Numerical simulations of various interaction conditions are in agreement with the experimental data and confirm the effect of the target morphology and its surface parameters on the enhanced energy absorbed fraction.
UR - http://www.scopus.com/inward/record.url?scp=85048301274&partnerID=8YFLogxK
U2 - 10.1063/1.5030215
DO - 10.1063/1.5030215
M3 - Article
AN - SCOPUS:85048301274
VL - 112
JO - Applied Physics Letters
JF - Applied Physics Letters
SN - 0003-6951
IS - 22
M1 - 221103
ER -