Scaling hot-electron generation to high-power, kilojoule-class laser-solid interactions

P. M. Nilson; A. A. Solodov; J. F. Myatt; W. Theobald; P. A. Jaanimagi; L. Gao; C. Stoeckl; R. S. Craxton; J. A. Delettrez; B. Yaakobi; J. D. Zuegel; B. E. Kruschwitz; C. Dorrer; J. H. Kelly; K. U. Akli; P. K. Patel; A. J. MacKinnon; R. Betti; T. C. Sangster; D. D. Meyerhofer

doi:10.1103/PhysRevLett.105.235001

Scaling hot-electron generation to high-power, kilojoule-class laser-solid interactions

P. M. Nilson
, A. A. Solodov
, J. F. Myatt
, W. Theobald
, P. A. Jaanimagi
, L. Gao
, C. Stoeckl
, R. S. Craxton
, J. A. Delettrez
, B. Yaakobi
, J. D. Zuegel
, B. E. Kruschwitz
, C. Dorrer
, J. H. Kelly
, K. U. Akli
, P. K. Patel
, A. J. MacKinnon
, R. Betti
, T. C. Sangster
, D. D. Meyerhofer

Research output: Contribution to journal › Article › peer-review

52 Scopus citations

Abstract

Thin-foil targets were irradiated with high-power (1≤P _L≤210TW), 10-ps pulses focused to intensities of I>1018W/cm2 and studied with K-photon spectroscopy. Comparing the energy emitted in K photons to target-heating calculations shows a laser-energy-coupling efficiency to hot electrons of η_L-e=20±10%. Time-resolved x-ray emission measurements suggest that laser energy is coupled to hot electrons over the entire duration of the incident laser drive. Comparison of the K-photon emission data to previous data at similar laser intensities shows that η_L-e is independent of laser-pulse duration from 1≤τ_p≤10ps.

Original language	English (US)
Article number	235001
Journal	Physical review letters
Volume	105
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.105.235001
State	Published - Dec 1 2010
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.105.235001

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Nilson, P. M., Solodov, A. A., Myatt, J. F., Theobald, W., Jaanimagi, P. A., Gao, L., Stoeckl, C., Craxton, R. S., Delettrez, J. A., Yaakobi, B., Zuegel, J. D., Kruschwitz, B. E., Dorrer, C., Kelly, J. H., Akli, K. U., Patel, P. K., MacKinnon, A. J., Betti, R., Sangster, T. C., & Meyerhofer, D. D. (2010). Scaling hot-electron generation to high-power, kilojoule-class laser-solid interactions. Physical review letters, 105(23), Article 235001. https://doi.org/10.1103/PhysRevLett.105.235001

@article{72df81f4ef964213aee3455259bb3c0b,

title = "Scaling hot-electron generation to high-power, kilojoule-class laser-solid interactions",

abstract = "Thin-foil targets were irradiated with high-power (1≤P L≤210TW), 10-ps pulses focused to intensities of I>1018W/cm2 and studied with K-photon spectroscopy. Comparing the energy emitted in K photons to target-heating calculations shows a laser-energy-coupling efficiency to hot electrons of ηL-e=20±10\%. Time-resolved x-ray emission measurements suggest that laser energy is coupled to hot electrons over the entire duration of the incident laser drive. Comparison of the K-photon emission data to previous data at similar laser intensities shows that ηL-e is independent of laser-pulse duration from 1≤τp≤10ps.",

author = "Nilson, \{P. M.\} and Solodov, \{A. A.\} and Myatt, \{J. F.\} and W. Theobald and Jaanimagi, \{P. A.\} and L. Gao and C. Stoeckl and Craxton, \{R. S.\} and Delettrez, \{J. A.\} and B. Yaakobi and Zuegel, \{J. D.\} and Kruschwitz, \{B. E.\} and C. Dorrer and Kelly, \{J. H.\} and Akli, \{K. U.\} and Patel, \{P. K.\} and MacKinnon, \{A. J.\} and R. Betti and Sangster, \{T. C.\} and Meyerhofer, \{D. D.\}",

year = "2010",

month = dec,

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doi = "10.1103/PhysRevLett.105.235001",

language = "English (US)",

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Nilson, PM, Solodov, AA, Myatt, JF, Theobald, W, Jaanimagi, PA, Gao, L, Stoeckl, C, Craxton, RS, Delettrez, JA, Yaakobi, B, Zuegel, JD, Kruschwitz, BE, Dorrer, C, Kelly, JH, Akli, KU, Patel, PK, MacKinnon, AJ, Betti, R, Sangster, TC & Meyerhofer, DD 2010, 'Scaling hot-electron generation to high-power, kilojoule-class laser-solid interactions', Physical review letters, vol. 105, no. 23, 235001. https://doi.org/10.1103/PhysRevLett.105.235001

TY - JOUR

T1 - Scaling hot-electron generation to high-power, kilojoule-class laser-solid interactions

AU - Nilson, P. M.

AU - Solodov, A. A.

AU - Myatt, J. F.

AU - Theobald, W.

AU - Jaanimagi, P. A.

AU - Gao, L.

AU - Stoeckl, C.

AU - Craxton, R. S.

AU - Delettrez, J. A.

AU - Yaakobi, B.

AU - Zuegel, J. D.

AU - Kruschwitz, B. E.

AU - Dorrer, C.

AU - Kelly, J. H.

AU - Akli, K. U.

AU - Patel, P. K.

AU - MacKinnon, A. J.

AU - Betti, R.

AU - Sangster, T. C.

AU - Meyerhofer, D. D.

PY - 2010/12/1

Y1 - 2010/12/1

N2 - Thin-foil targets were irradiated with high-power (1≤P L≤210TW), 10-ps pulses focused to intensities of I>1018W/cm2 and studied with K-photon spectroscopy. Comparing the energy emitted in K photons to target-heating calculations shows a laser-energy-coupling efficiency to hot electrons of ηL-e=20±10%. Time-resolved x-ray emission measurements suggest that laser energy is coupled to hot electrons over the entire duration of the incident laser drive. Comparison of the K-photon emission data to previous data at similar laser intensities shows that ηL-e is independent of laser-pulse duration from 1≤τp≤10ps.

AB - Thin-foil targets were irradiated with high-power (1≤P L≤210TW), 10-ps pulses focused to intensities of I>1018W/cm2 and studied with K-photon spectroscopy. Comparing the energy emitted in K photons to target-heating calculations shows a laser-energy-coupling efficiency to hot electrons of ηL-e=20±10%. Time-resolved x-ray emission measurements suggest that laser energy is coupled to hot electrons over the entire duration of the incident laser drive. Comparison of the K-photon emission data to previous data at similar laser intensities shows that ηL-e is independent of laser-pulse duration from 1≤τp≤10ps.

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SN - 0031-9007

VL - 105

JO - Physical review letters

JF - Physical review letters

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ER -

Scaling hot-electron generation to high-power, kilojoule-class laser-solid interactions

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