Calculations for Ni-like soft X-ray lasers: optimisation for W (43.1 Å)

Near-optimum conditions for lasing in Ni-like W are calculated for a 90-/mu/g/cm/sup 2/ foil irradiated by a 2/omega/ (/lambda/=0.53 /mu/m), 2.3/times/10/sup 14/-W/cm/sup 2/, 550-ps trapezoidal pulse. The gain coefficient for the /ital J/=0--1, 4/ital d/-4/ital p/ Ni-like transition at 43.1 A is pre...

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Veröffentlicht in:	Phys. Rev. Lett.; (United States) 1989-07, Vol.63 (3), p.236-239
Hauptverfasser:	MAXON, S, DALHED, S, HAGELSTEIN, P. L, LONDON, R. A, MACGOWAN, B. J, ROSEN, M. D, CHARATIS, G, BUSCH, G
Format:	Artikel
Sprache:	eng
Schlagworte:	420300 - Engineering- Lasers- (-1989) D STATES DESIGN ELECTROMAGNETIC RADIATION ELECTRON DENSITY ELEMENTS ENERGY LEVELS ENGINEERING Exact sciences and technology EXCITED STATES FOILS Fundamental areas of phenomenology (including applications) IONIZING RADIATIONS LASERS METALS ONE-DIMENSIONAL CALCULATIONS Optics OPTIMIZATION P STATES PHYSICAL RADIATION EFFECTS Physics PULSES RADIATION EFFECTS RADIATIONS ROTATIONAL STATES SOFT X RADIATION TRANSITION ELEMENTS TUNGSTEN X RADIATION X-RAY LASERS
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Zusammenfassung:	Near-optimum conditions for lasing in Ni-like W are calculated for a 90-/mu/g/cm/sup 2/ foil irradiated by a 2/omega/ (/lambda/=0.53 /mu/m), 2.3/times/10/sup 14/-W/cm/sup 2/, 550-ps trapezoidal pulse. The gain coefficient for the /ital J/=0--1, 4/ital d/-4/ital p/ Ni-like transition at 43.1 A is predicted to be 5.5 cm/sup /minus/1/. The electron density and temperature are 2.5/times/10/sup 21/ cm/sup /minus/3/ and 860 eV at x-ray laser time.
ISSN:	0031-9007 1079-7114
DOI:	10.1103/PhysRevLett.63.236