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  • 1
    Electronic Resource
    Electronic Resource
    Electro-optic properties of single crystalline ferroelectric thin films (1993)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 63 (1993), S. 596-598 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We have investigated the transverse and longitudinal electro-optic properties of epitaxial single crystalline lead lanthanum zirconate titanate ferroelectric thin films grown by pulsed laser deposition on [100] silicon and MgAl2O4 substrates. With the electric field applied in a longitudinal geometry, we measure birefringence shifts of up to 1×10−3. These films exhibit a large optical hysteresis, and may provide a basis for electrically written, optically and nondestructively read nonvolatile memories.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.109960
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Shaping of wide bandwidth 20 femtosecond optical pulses (1992)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 61 (1992), S. 1260-1262 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: We investigate the propagation of 20 fs pulses through a generalized pulse shaper/compressor and synthesize shaped waveforms with 20 fs features by linear spectral filtering using a generalized pulse shaper consisting of gratings and reflective optics. The use of reflective optics in the pulse shaper avoids cubic phase dispersion associated with lenses which significantly broaden short 20 fs pulses. As an example of our pulse-shaping capabilities, we generate pulse trains with repetition rates in excess of 12 THz using phase-only filtering.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.107611
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  • 3
    Electronic Resource
    Electronic Resource
    Dielectric function and electrical resistivity of liquid carbon determined by femtosecond spectroscopy (1993)
    Springer
    International journal of thermophysics 14 (1993), S. 361-370 
    Details
    ISSN: 1572-9567
    Keywords: femtosecond spectroscopy ; laser irradiation ; liquid carbon ; optical properties ; reflectivity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Femtosecond pump-probe reflectance of graphite and diamond targets following intense laser irradiation is used to measure the optical properties of the pressurized liquid carbon phase while it retains an optically sharp surface before expanding hydrodynamically as a hot plasma. These measurements allow the historically elusive liquid phase of carbon to be characterized optically for the first time. A Drude dielectric model of the reflectance spectrum 1 ps after excitation just above the melting threshold reveals a poorly conducting liquid metal with a dc resistivity 625±75μΩ · cm. The optically determined resistivity decreases with increasing sample excitation. The initial stages of hydrodynamic surface expansion of Al, W, and C targets are also quantitatively characterized by time-resolved reflectance, revealing the expansion speed as well as further dielectric properties of the high-temperature-pressure phase.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00566036
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    Paper (German National Licenses)
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