Demonstration of a soft X-ray amplifier

Demonstration of a soft X-ray amplifier

Observations of amplified spontaneous emission at soft X-ray wavelengths are reported. An optical laser ionized thin foils of selenium to produce a population inversion of the 2p(5)3p and 2p(5)3s levels of the neonlike ion. Using three time-resolved, spectroscopic measurements, gain-length products...

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Veröffentlicht in:Phys. Rev. Lett.; (United States) 1985-01, Vol.54 (2), p.110-113
Hauptverfasser: MATTHEWS, D. L, HAGELSTEIN, P. L, CAMPBELL, E. M, HATCHER, C. W, HAWRYLUK, A. M, KAUFFMAN, R. L, PLEASANCE, L. D, RAMBACH, G, SCOFIELD, J. H, STONE, G, WEAVER, T. A, ROSEN, M. D, ECKART, M. J, CEGLIO, N. M, HAZI, A. U, MEDECKI, H, MCGOWAN, B. J, TREBES, J. E, WHITTEN, B. L
Format: Artikel
Sprache:eng
Schlagworte:
420300 - Engineering- Lasers- (-1989)
AMPLIFICATION
DATA
Design of specific laser systems
ELECTROMAGNETIC RADIATION
ELEMENTS
ENERGY LEVELS
ENERGY-LEVEL TRANSITIONS
ENGINEERING
Exact sciences and technology
EXCITED STATES
EXPERIMENTAL DATA
FOILS
Fundamental areas of phenomenology (including applications)
GAIN
INFORMATION
IONIZATION
IONIZING RADIATIONS
Laser optical systems: design and operation
LASERS
METALS
NUMERICAL DATA
Optics
Physics
POPULATION INVERSION
RADIATIONS
RESOLUTION
ROTATIONAL STATES
SELENIUM
SEMIMETALS
TIME RESOLUTION
TIMING PROPERTIES
TRANSITION ELEMENTS
X RADIATION
YTTRIUM
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Zusammenfassung:Observations of amplified spontaneous emission at soft X-ray wavelengths are reported. An optical laser ionized thin foils of selenium to produce a population inversion of the 2p(5)3p and 2p(5)3s levels of the neonlike ion. Using three time-resolved, spectroscopic measurements, gain-length products up to 6.5 and gain coefficients of 5.5 + or - 1.0/cm were demonstrated for the J = 2 to 1 lines at 206.3 and 209.6 A. Considerable amplification for the same transitions in yttrium at 155.0 and 157.1 A was also observed.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.54.110