Temporally resolved target potential measurements in laser-target interactions

J. L. Borowitz; S. Eliezer; Y. Gazit; M. Givon; S. Jackel; A. Ludmirsky; D. Salzmann; E. Yarkoni; A. Zigler; B. Arad

doi:10.1088/0022-3727/20/2/010

Temporally resolved target potential measurements in laser-target interactions

J. L. Borowitz^*, S. Eliezer, Y. Gazit, M. Givon, S. Jackel, A. Ludmirsky, D. Salzmann, E. Yarkoni, A. Zigler, B. Arad

^*Corresponding author for this work

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

20 Scopus citations

Abstract

Rapid (100 ps) voltage oscillations have been observed in a capacitively coupled target irradiated with 3.5 ns pulses of Nd-YAG light at irradiances of between 5*10¹² and 2*10¹⁵ W cm^-2 on a 40 mu m spot. The measurements were made using a fast (40 ps rise-time) Pockels cell intercepting a diagnostic light pulse to a streak camera. The oscillations were found to depend on the spot size and the shape of the laser pulse. The oscillation frequencies found (up to 12 GHz) were too low to correspond to plasma instabilities. Double layers and plasma turbulence are proposed as the cause of the voltage oscillations.

Original language	English
Article number	010
Pages (from-to)	210-214
Number of pages	5
Journal	Journal of Physics D: Applied Physics
Volume	20
Issue number	2
DOIs	https://doi.org/10.1088/0022-3727/20/2/010
State	Published - 1987
Externally published	Yes

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title = "Temporally resolved target potential measurements in laser-target interactions",

abstract = "Rapid (100 ps) voltage oscillations have been observed in a capacitively coupled target irradiated with 3.5 ns pulses of Nd-YAG light at irradiances of between 5*1012 and 2*1015 W cm-2 on a 40 mu m spot. The measurements were made using a fast (40 ps rise-time) Pockels cell intercepting a diagnostic light pulse to a streak camera. The oscillations were found to depend on the spot size and the shape of the laser pulse. The oscillation frequencies found (up to 12 GHz) were too low to correspond to plasma instabilities. Double layers and plasma turbulence are proposed as the cause of the voltage oscillations.",

author = "Borowitz, {J. L.} and S. Eliezer and Y. Gazit and M. Givon and S. Jackel and A. Ludmirsky and D. Salzmann and E. Yarkoni and A. Zigler and B. Arad",

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doi = "10.1088/0022-3727/20/2/010",

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T1 - Temporally resolved target potential measurements in laser-target interactions

AU - Borowitz, J. L.

AU - Eliezer, S.

AU - Gazit, Y.

AU - Givon, M.

AU - Jackel, S.

AU - Ludmirsky, A.

AU - Salzmann, D.

AU - Yarkoni, E.

AU - Zigler, A.

AU - Arad, B.

PY - 1987

Y1 - 1987

N2 - Rapid (100 ps) voltage oscillations have been observed in a capacitively coupled target irradiated with 3.5 ns pulses of Nd-YAG light at irradiances of between 5*1012 and 2*1015 W cm-2 on a 40 mu m spot. The measurements were made using a fast (40 ps rise-time) Pockels cell intercepting a diagnostic light pulse to a streak camera. The oscillations were found to depend on the spot size and the shape of the laser pulse. The oscillation frequencies found (up to 12 GHz) were too low to correspond to plasma instabilities. Double layers and plasma turbulence are proposed as the cause of the voltage oscillations.

AB - Rapid (100 ps) voltage oscillations have been observed in a capacitively coupled target irradiated with 3.5 ns pulses of Nd-YAG light at irradiances of between 5*1012 and 2*1015 W cm-2 on a 40 mu m spot. The measurements were made using a fast (40 ps rise-time) Pockels cell intercepting a diagnostic light pulse to a streak camera. The oscillations were found to depend on the spot size and the shape of the laser pulse. The oscillation frequencies found (up to 12 GHz) were too low to correspond to plasma instabilities. Double layers and plasma turbulence are proposed as the cause of the voltage oscillations.

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Temporally resolved target potential measurements in laser-target interactions

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