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  • 1
    Electronic Resource
    Electronic Resource
    Far-infrared detection by GaAs-IREDs and GaAs0.6P0.4-LEDs (1986)
    Springer
    International journal of infrared and millimeter waves 7 (1986), S. 1297-1308 
    Details
    ISSN: 1572-9559
    Keywords: FIR detection ; light emitting diodes ; response time
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In GaAs-IREDs and GaAs0.6P0.4-LEDs a photoconductive and a bolometric FIR response has been observed at low temperatures by applying different pulsed optically pumped FIR lasers. The short circuit current responsivity peaks at λ=400 μm being about 1.5 mA/W. By monitoring the rapid modulation of the FIR radiation due to mode beating of the pump laser, an upper limit of 1 ns was established to the time constant of the photoconductive signal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012051
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Saturation behavior of extrinsic photoconductivity in GaP light emitting diodes at high infrared intensities (1986)
    Springer
    International journal of infrared and millimeter waves 7 (1986), S. 147-154 
    Details
    ISSN: 1572-9559
    Keywords: GaP light emitting diodes ; ir-detection ; saturation ; response time
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Saturation of extrinsic photoconductivity in GaP:N(Zn, Te) diodes could be achieved by excitation with a TEA-CO2-laser. At wavelengths in the 10 μm range intensities of several 100 kW/cm2 being near the damage threshold were applied. Carrier lifetimes of 60 ps at 4.2 K and 200 ps at 77 K could be estimated. The only conceivable mechanism explaining these short time constants is the capture of infrared excited holes by ionized shallow acceptors in the highly compensated p-side of the diode.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01011068
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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