Z-dependent absorption and stimulated backscatter processes in laser produced plasmas

S. Jackel*, H. M. Loebenstein, A. Zigler, H. Zmora, S. Zweigenbaum

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Low- and high-atomic-number targets were irradiated at normal and oblique incidences with high focused intensity, 2.5-nsec duration of 1.06-μm laser pulses. Calorimetry and spectroscopy of ω and 2ω light reflected back into the focusing lens was performed. Results show a dramatic reduction in the specularly reflected light from high-atomic-number targets. Brillouin backscatter was observed throughout the range 1014-1016 W/cm2. 2ω spectra indicated the presence of an electron-ion decay instability with a threshold at 2×1015 W/cm2.

Original languageEnglish
Pages (from-to)34-36
Number of pages3
JournalApplied Physics Letters
Volume36
Issue number1
DOIs
StatePublished - 1980
Externally publishedYes

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