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  • 1
    Electronic Resource
    Electronic Resource
    Piezoelectric properties of Ca-modified PbTiO3 thin films (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 3602-3604 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Low-field piezoelectric coefficient and strain were investigated in Ca-modified PbTiO3 thin films by means of optical interferometry. A remanent piezoelectric coefficient of 70 pm/V was observed that agrees well with the values previously reported for the bulk ceramics of the same composition. The efficient poling of the films can be achieved at room temperature under the field of 300 kV/cm. Electrically induced strains as high as 0.8% were observed using a bipolar driving field of 1 MV/cm. Strain response under a unipolar driving field exhibited a good linearity and small hysteresis. These properties combined with the low dielectric constant and high dielectric strength are shown to be attractive for micromechanical applications. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117220
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  • 2
    Electronic Resource
    Electronic Resource
    Surface-emitted blue light from [112]-oriented (In,Ga)As/GaAs quantum well edge-emitting lasers (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 69 (1996), S. 3321-3323 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Second-harmonic generation of surface-emitted blue light has been achieved in (In,Ga)As/GaAs quantum well edge-emitting lasers. The blue light is generated by the nonlinear interaction of the internal fundamental fields of a continuously pumped laser. These lasers exhibit room temperature threshold current densities as low as 200 A/cm2 and produce about 2.6 nW of blue light for 9.8 mW of fundamental power. The peak emission of the blue light is at 487 nm and the spectral spread is about 1.7 nm. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.117293
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  • 3
    Electronic Resource
    Electronic Resource
    Second-harmonic generation of blue light from [112]-oriented III-V antiresonant waveguide heterostructures (1996)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 68 (1996), S. 1754-1756 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Second-harmonic generation of blue light by the nonlinear interaction of two counter-propagating transverse electric-polarized fundamental fields in a [112]-oriented (Al,Ga)As/GaAs antiresonant waveguide is demonstrated. Theoretical calculations of the visible output power for given fundamental inputs are shown to agree with experiment. Our results show that GaAs-based materials may offer another alternative for the development of blue/green light-emitters. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.116656
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