mqw 中文意思是什麼

mqw 解釋
多量子阱
  1. Thin sin layers and nitride - based multiquantum well ( mqw ) light emitting diode ( led ) structures with conventional single gan buffer and gan / sin double buffers were grown on sapphire substrates by metalorganic chemical vapor deposition ( mocvd )

    摘要以有機金屬化學氣象沉積在藍寶石基板上成長由單一氮化鎵成核層與氮化鎵/氮化矽雙緩沖層所形成的兩種不同氮基礎的多層量子井發光二極體結構。
  2. According to the raman selection rule and the pl measurement, it is reasonable to evaluate the quality of galnp / algalnp mqw by analyzing the relative intensity ratio of a1p - lo / to. ( 4 ) a new modified random element isodisplacement ( mrei ) model is set up to calculate the dependence between the long - wavelength optical phonon frequencies and the composition of iii - v - type ab1 - xcx mixed crystals. the second neighbor force constants are still assumed to be a linear variation with the composition, but the two first neighbor force constants can be evaluated to be a negative exponent variation with the composition, using the overlapped repulsive potential of the ion crystal combination

    通過實驗我們找到了在這些結構參數上生產gainp algainpmqw的較理想的結果; ( 3 )首次用喇曼( raman )散射方法研究了常溫下的gainp algainp多量子阱結構,除了指認出喇曼光譜中各光學聲子模外,還結合樣品光致發光譜的測量結果,分析發現喇曼光譜中alp - lo to的相對強度比可以在一定程度上評定晶體gainp algainpmqw的生長質量; ( 4 )在修正的隨機元素等位移? mrei模型的基礎上建立了一個新模型,計算了ab _ ( 1 - x ) c _ x型?族半導體混晶的長波長光學聲子模頻率的組分變化關系。
  3. 7. the effect of the mqw on the hb - led is analyzed

    全面分析多量子阱結構( mqw )在hb - led中的重要作用。
  4. In this dissertation, a novel m - z high speed modulator is proposed, analyzed, fabricated and measured, employing multiple quantum well ( mqw ) structures and traveling wave ( tw ) electrodes to meet the demand of low voltage and wide bandwidth

    本論文採用行波量子阱結構來設計40ghz的電光調制器。為實現高帶寬,低驅動的要求,本論文著重在量子阱的光學特性和器件的微波特性兩個方面進行了深入的研究。
  5. The performance of modulators employing mqw is governed by the quantum confined stark effect. in order to simplify the analysis of mqw, we obtain an explicit formula concerning the correlations between the gaas / gaalas quantum well widths of finite potential barrier structure and those of infinite potential barrier structure under the condition that the ground state energies are equal at zero bias states. then the transfer matrix method is used to investigate the optical field distribution in the mqw waveguide based on five - step asymmetric coupled quantum well structure that is really used in the modulator

    本論文首先根據量子限制stark效應,發展了等效寬度思想,提出了把單量子阱結構的有限深勢阱的分析轉化為無限深勢阱模型的顯式公式,從而大大簡化了電場下量子阱結構的分析;接著利用轉移矩陣,把周期性的量子阱結構簡化為三層結構,得到了實際採用的非對稱三阱結構量子阱的場分佈,並討論了量子阱結構的偏振特性。
  6. The growth of mqw is summarized

    引入了模擬mqw的數學模型。
  7. Mqw have the same effect on hb - led as dh, but better than that

    Mqw結構比dh結構更加有效的限制載流子,增加輻射復合效率。
  8. Al content will decrease if using mqw even the same emitting wavelength. and it will improve the quality of the crystal

    採用mqw結構可以減小相同發射波長下材料中的鋁組分,從而改善了晶體大的質量。
  9. Structuring three - level model on basis of two - level model. published before. the circuit model is simulated and some results are gotten by taking account into the same parameters. mqw - ld circuit model designed by grossi is adopted to be illustrated by some solo subcircuits

    在已發表的二層電路模型基礎上提出了三層模型,在所依據的參數基本相同的情況下,對模型進行模擬,並對所獲的結果進行比較討論。
  10. In order to improve the design of mqw structure and the quality of material, gainp / ( alxga1 - x ) inp mqw have been manufactured and analyzed by photoluminescence and raman. great achievements have been obtained. ( 1 ) the theory of photoluminescence of galnp / algalnp mqw was analyzed

    本論文主要通過光致發光和喇曼兩種檢測方法,對gainp ( al _ xga _ ( 1 - x ) ) inpmqw外延片的光學性質進行深入的理論分析和實驗研究,以達到改善mqw結構設計和提高材料生長質量的目的。
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