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Filtering by: Alternative title ssim EC 815 Remove constraint Alternative title ssim: EC 815 Decade 1990-1999 Remove constraint Decade: 1990-1999 Degree Field Electrical and Computer Engineering Remove constraint Degree Field: Electrical and Computer Engineering

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  • Grating-tuned external cavity diode lasers

    Creator:
    Falconer, Beate Stephan
    Abstract:
    Diode lasers have many advantages such as small size, high efficiency and small angular dispersion of the collimated beam. However they also have some problems like lack of frequency stability. They can not be tuned in wavelength. An external cavity can solve these problems and decrease the laser linewidth. To...
    Resource Type:
    Masters Thesis
    Full Text:
    Table 4.4.1.1.: Bandwidths of LD 12, EC 12, LD 12c and EC 12c. 52 Table 4.4.1.2.: Tuning ranges of LD

  • A study of deep levels of AlGaAs/GaAs heterojunction bipolar transistors

    Creator:
    Huang, Chun-ta
    Abstract:
    A study of deep levels of the emitter region of a heterojunction bipolar transistor is investigated using deep level transient spectroscopy (DLTS), deep level admittance spectroscopy (DLAS), thermally stimulated capacitance (TSCAP), and capacitance-voltage (C-V) profiling. The DX center, with an activation energy of 0.45 eV, is the only deep level...
    Resource Type:
    Masters Thesis
    Full Text:
    event. This investigation is limited to the trapping event. 3 (a) (b) (c) (d) Ec Et 0 Ev