نتایج جستجو برای: output efficiency profile oep
تعداد نتایج: 768644 فیلتر نتایج به سال:
In this paper, we study both experimentally and theoretically how the change of the p-doping profile, particularly the p-i junction placement, affects the output characteristics of 1.3m InGaAsP–InP multiple-quantum-well (MQW) lasers. The relationship between the p-doping profile before and after regrowth is established, and the subsequent impact of changes in the p-i junction placement on the d...
In this work, we study the behavior of elliptical reflectors in nanophotonic integrated circuits in the context of two-dimensional multimode Gaussian beam. We show that the transformation of the beam profile at the input/output waveguide mouths, and the transformation of the beam profile at the reflector can be described in terms of 2D Hermite-Gaussian (HG) beam modes under first order approxim...
Speaking is generally considered efficient, in that less effort is spent articulating more redundant items. Two possible mechanisms for this optimization are tested. The use of prosodic structure, i.e., lexical stress and sentence accent, to (de-)emphasize (un-)important words, and the facilitation of syllable-articulation by retrieving often used motor-programs from memory. Such a “stored vers...
Mixed (SvO2) or central (ScvO2) venous oxygen saturation is frequently used to evaluate the adequacy of global tissue oxygenation in critically ill patients. The aim of this review is to discuss the literature regarding S(c)vO2 measurement and S(c)vO2 directed therapy. Both reductions in oxygen delivery and increases in oxygen consumption without subsequent adequate rise in cardiac output can r...
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