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 language | English |
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Pages (from-to) | 34-36 |
Number of pages | 3 |
Journal | Applied Physics Letters |
Volume | 36 |
Issue number | 1 |
DOIs | |
State | Published - 1980 |
Externally published | Yes |