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  • 42.55M  (2)
  • Chemistry  (1)
  • optical beam induced current (OBIC)  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Microelectronic Engineering 14 (1991), S. 121-131 
    ISSN: 0167-9317
    Keywords: IR laser scanning microscopy ; Thermal mapping of ICs ; failure analysis ; optical beam induced current (OBIC)
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Electrical Engineering, Measurement and Control Technology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 48 (1989), S. 149-153 
    ISSN: 1432-0649
    Keywords: 42.55M ; 42.60F ; 42.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Pulse formation in synchronously pumped dye lasers with fast relaxing dyes is treated by computer simulation. The influence of spontaneous emission and chirp, as well as cavity mismatch, on the pulse characteristics and stability of generation are discussed.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 45 (1988), S. 101-108 
    ISSN: 1432-0649
    Keywords: 42.55M ; 42.60F ; 42.65
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We present theoretical results on the characteristics of pulses generated by a synchronously pumped dye laser. Our analysis indicates the important influence of spontaneous emission on shape and frequency chirp of the pulse. Dye-laser operation is possible within a wide range of cavity mismatch. A large mismatch of the lengths of the dye and the pump-laser cavity results in the generation of “noise bursts” caused by the influence of spontaneous emission. At small cavity mismatch pulse profile and frequency chirp of the pulse are directly generated in the steady-state regime by algebraic equations. Our formulas indicate that the sign of the pulse chirp depends only on the sign of the shift between laser frequency and centre frequency of the amplifying transition.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 516 (1984), S. 107-118 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Magnetic Behaviour of Cerium (III) Compounds: Crystal Field Effects in LiCeO2The magnetic susceptibility of LiCeO2 (monoclinic, space group P121/c1) was measured between 3.8 and 295 K. Large deviations from Curie-Weiss behaviour but no points of magnetic ordering were observed. Model calculations, based on an idealized anion surrounding of the cerium atoms (point symmetry C2v) showed, that the magnetic properties can be explained by crystal field splitting in the 2F5/2 ground term of Ce3+. The crystal field parameters determined by fitting procedures agree satisfactorily with a simple point charge model.
    Notes: Die Bestimmung der magnetischen Suszeptibilität von LiCeO2 (monoklin, Raumgruppe P121/c1) erfolgte nach der Faraday-Methode zwischen 3,8 und 295 K. Es wurden starke Abweichungen vom Curie-Weiss-Verhalten, aber keine magnetischen Ordnungspunkte beobachtet. Ein einfaches Modell, das allein den Ce3+-Grundzustand 2F5/2 betrachtet und den Kristallfeldeinfluß in der idealisierten Punktsymmetrie C2v berücksichtigt, kann das gefundene Verhalten gut wiedergeben. Die durch Anpassungsrechnungen erhaltenen Kristallfeldparameter stimmen weitgehend mit entsprechenden Werten aus einer Punktladungsmodellrechnung überein.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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