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  • 42.55Hq  (1)
  • 81.60Fs  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    On recombination lasers in the VUV excited by intense proton beams (1986)
    Springer
    Applied physics 41 (1986), S. 147-151 
    Details
    ISSN: 1432-0649
    Keywords: 52.20FS ; 34.90+9 ; 42.55Hq
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The possibility for realizing a recombination laser with hydrogenic helium ions pumped by an intense proton beam is investigated. He2+ ions are produced by proton pulses of 50 ns length, 200 keV kinetic energy and a current density of 100 A/cm2. The fluorescence intensities of the 4→3 and the 3→2 transitions in He+ are readily reproduced by a kinetic model for the recombination. Optical gain for the 3→2 transition at 164 nm was not observed, since radiation trapping prohibits the depopulation of the lower level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00693916
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  • 2
    Electronic Resource
    Electronic Resource
    The formation of glassy alloys by irradiation with intense proton beams (1986)
    Springer
    Applied physics 39 (1986), S. 155-158 
    Details
    ISSN: 1432-0630
    Keywords: 81.60Bn ; 81.60Fs
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Using a 50 ns pulse of an intense proton beam 1.5 J cm−2 of energy was deposited in a 1 μm thick surface layer of glass forming alloys. In Fe80B20, the formation of a glassy surface layer of 1.9 μm thickness was observed by x-ray diffraction. Etching experiments performed with alloys containing phosphorus yielded similar results. Applying a mask technique amorphous and crystalline zones were structured with a resolution of better than 2 μm.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00620728
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    Paper (German National Licenses)
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