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  • 1995-1999  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Influence of aging on the performance of solid source molecular beam epitaxy grown GaInP/AlGaInP quantum well lasers (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 68 (1996), S. 3383-3385 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have studied the influence of aging on the performance of GaInP/AlGaInP quantum well lasers grown by all solid source molecular beam epitaxy. A remarkable improvement in the laser characteristics was observed during the first 20–30 h of continuous wave operation at a constant current corresponding to the initial output power of 100 mW. After such an aging process the threshold current density was typically decreased 30% from its original value. The comparison of the experimentally and theoretically determined gain-current curves revealed the improved laser performance to be caused by the reduction of the nonradiative recombination rate. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.116511
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Negative coronas: Low current mode – pulse mode transition (1999)
    Springer
    Czechoslovak journal of physics 49 (1999), S. 217-224 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the paper the results of experimental study of negative corona in a point – plane gap in a dust-free air flow at atmospheric pressure are presented. Both the low current mode (LCM) of the discharge and Trichel pulses are externally triggered by UV light. Close to the inception voltage of Trichel pulses short-duration current spikes appear besides the steady component of the LCM which indicates to the switch-on of Fowler-Nordheim type emission mechanism. At the inception voltage spike – Trichel pulse transition is recorded. The influence of dielectric layers at the cathode on the discharge parameters is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1022854028712
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    Paper (German National Licenses)
    Fulltext
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