mqw造句
例句与造句
- The growth of mqw is summarized
引入了模拟mqw的数学模型。 - 7 . the effect of the mqw on the hb - led is analyzed
全面分析多量子阱结构( mqw )在hb - led中的重要作用。 - Mqw have the same effect on hb - led as dh , but better than that
Mqw结构比dh结构更加有效的限制载流子，增加辐射复合效率。 - Al content will decrease if using mqw even the same emitting wavelength . and it will improve the quality of the crystal
采用mqw结构可以减小相同发射波长下材料中的铝组分，从而改善了晶体大的质量。 - And emission wavelength depends on ratio of well / barrier width more than number of wells . some useful data has been found through experiments
阱垒宽厚度比a较之mqw的周期数目n对pl发光波长的影响更大。 - It's difficult to find mqw in a sentence. 用mqw造句挺难的
- 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 )
摘要以有机金属化学气象沉积在蓝宝石基板上成长由单一氮化镓成核层与氮化镓/氮化矽双缓冲层所形成的两种不同氮基础的多层量子井发光二极体结构。 - 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
本论文采用行波量子阱结构来设计40ghz的电光调制器。为实现高带宽，低驱动的要求，本论文着重在量子阱的光学特性和器件的微波特性两个方面进行了深入的研究。 - 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
在已发表的二层电路模型基础上提出了三层模型，在所依据的参数基本相同的情况下，对模型进行模拟，并对所获的结果进行比较讨论。 - 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
本论文主要通过光致发光和喇曼两种检测方法，对gainp ( al _ xga _ ( 1 - x ) ) inpmqw外延片的光学性质进行深入的理论分析和实验研究，以达到改善mqw结构设计和提高材料生长质量的目的。 - ( 2 ) several samples of different structure parameters are grown by low - pressure metal - organic chemical vapor deposition ( lp - mocvd ) . it is found that pl peak intensity , full width at half maximum ( fwhm ) and light output intensity are greatly dependent on number of wells . ratio of well / barrier width nearly has no effect on pl peak intensity and fwhm , but has little relation to light output intensity
通过分析pls ，可以及时获取材料生长和结构设计的数据，对质量控制有重要的指导意义； ( 2 )对不同结构的gainp algainp多量子阱样品进行了光致发光及出光强度的测量，发现mqw的周期数目n对pl峰强度、半峰宽和出光强度的影响最大；阱垒宽厚度比a对pl峰强度和半峰宽的影响较小，但对发光强度的影响较大。 - 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
本论文首先根据量子限制stark效应，发展了等效宽度思想，提出了把单量子阱结构的有限深势阱的分析转化为无限深势阱模型的显式公式，从而大大简化了电场下量子阱结构的分析；接着利用转移矩阵，把周期性的量子阱结构简化为三层结构，得到了实际采用的非对称三阱结构量子阱的场分布，并讨论了量子阱结构的偏振特性。