Effects of induced spatial incoherence on laser light absorption and x-ray conversion at 0. 53. mu. m

Gold disk targets were irradiated with and without induced spatial incoherence (ISI) at {lambda}=0.526 {mu}m and intensities of (1--5){times}10{sup 14} W/cm{sup 2}. The distribution of laser energy on target and {ital M}-band x-ray (2--4 keV) pinhole images of the target were smoothed with ISI. Abso...

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Veröffentlicht in:	Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 1991-01, Vol.43:2
Hauptverfasser:	Bosch, R.A., Gabl, E.F., Simpson, J.D., Armentrout, C.J., Failor, B.H., Kania, D.R., Bell, P.M.
Format:	Artikel
Sprache:	eng
Schlagworte:	70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700208 - Fusion Power Plant Technology- Inertial Confinement Technology ABSORPTION CHEMICAL ANALYSIS CONFINEMENT ELECTROMAGNETIC RADIATION ELEMENTS GOLD HOT SPOTS INERTIAL CONFINEMENT LASER RADIATION LASER TARGETS METALS MITIGATION NONDESTRUCTIVE ANALYSIS PLASMA CONFINEMENT RADIATIONS TARGETS TRANSITION ELEMENTS VISIBLE RADIATION X-RAY EMISSION ANALYSIS
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Zusammenfassung:	Gold disk targets were irradiated with and without induced spatial incoherence (ISI) at {lambda}=0.526 {mu}m and intensities of (1--5){times}10{sup 14} W/cm{sup 2}. The distribution of laser energy on target and {ital M}-band x-ray (2--4 keV) pinhole images of the target were smoothed with ISI. Absorption of laser energy was increased by 5--10 % with ISI. Soft-x-ray conversion efficiency with and without ISI were equal within the data scatter and uncertainty of {similar to}10%.
ISSN:	1050-2947 1094-1622
DOI:	10.1103/PhysRevA.43.953