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  • 1990-1994  (9)
  • 1960-1964  (4)
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  • 11
    Electronic Resource
    Electronic Resource
    Dispersion measurements for femtosecond-pulse generation and applications (1994)
    Springer
    Applied physics 58 (1994), S. 225-235 
    Details
    ISSN: 1432-0649
    Keywords: 42.10.-s ; 42.20.-p ; 42.65.Re
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Dispersive phenomena provide limits in the generation, measurement and applications of femtosecond optical pulses. Optical elements such as prisms, gratings, air, mirrors, filters, and laser crystals all contribute to the total dispersion in optical systems. Interferometric techniques enable measurements of dispersion of individual elements, and new techniques allow dispersion measurement inside the cavity of operating modelocked femtosecond tunable lasers. These techniques provide access to detailed information about dispersion errors which can distort pulses and produce undesirable effects in modelocked lasers. In this article, we review techniques for the measurement of dispersion in optical components and systems. In several cases, we compare measurements made with intracavity dispersion techniques with extracavity measurements and point out common features.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01081314
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    Paper (German National Licenses)
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  • 12
    Electronic Resource
    Electronic Resource
    Quantum wells for femtosecond optoelectronics applications (1991)
    Springer
    Applied physics 53 (1991), S. 503-513 
    Details
    ISSN: 1432-0630
    Keywords: 71.35
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The ultrafast nonlinear optical properties of quantum well excitons have been studied extensively in recent years. Quantum well excitons, which are sharp and well-resolved at room temperature, are well suited to optoelectronics applications, having large electroabsorption response. In this review, we discuss experiments which use simultaneously the nonlinear optical response of the quantum well exciton and the electroabsorption response in order to characterize electrical signals in the femtosecond time scale. In addition, we discuss intrinsic speed limitations in excitonic optoelectronics and extensions to one- and two-dimensional spatiotemporal field mapping.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00331539
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    Optical properties of quasi-zero-dimensional magneto-excitons (1991)
    Springer
    Applied physics 53 (1991), S. 491-502 
    Details
    ISSN: 1432-0630
    Keywords: 71.35 ; 78.20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract We discuss the evolution of optical properties of semiconductor quantum wells, as the quasi-two-dimensional electronic states are further confined into quasi-zero dimensions by a perpendicular magnetic field. We show that confinement in all three directions strongly modifies both linear and nonlinear optical response. In particular, quasi-zero-dimensionality makes an ensemble of magneto-excitons a unique many-body system, distinct from higher-dimensional excitons and the one-component Coulomb system in the fractional quantum Hall regime or Wigner crystal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00331538
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    Paper (German National Licenses)
    Fulltext
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