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讨论光电子耦合器件CCD的基本结构和作为图像传感器件的工作原理，分析传统光电子耦合器件存在的问题，介绍光电子耦合器件CCD在光电子领域的多种应用和研究新进展。 相似文献
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曾文章 《泉州师范学院学报》2002,20(2):47-49
半导体光电子开关在超短光脉冲的产生，光电同步等光电技术中，已有广泛的应用。时间抖动是反映光电子开关性能的重要指标，章分析半导体光电子开关时间抖动的现象，从经典半导体理论及量子力学原理讨论时间抖动产生的原因，并计算时间抖动与激光脉冲能量的关系。 相似文献
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阐述了21世纪光电子技术和产业在促进各国经济和科学技术持续发展中的巨大作用及其发展趋势，分析了我国的现状。指出要抓住机遇．加速建立和发展我国的光电子产业。 相似文献
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根据已掌握的调查材料,结合现有条件,我们认为可以开设光电子技术应用专业,本文初步讨论了光电子专业建设的可行性和初步设想。 相似文献
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光电子属于新兴产业,高层次及技能型的光电子专业人才存在较大缺口,旺盛的社会需求将成为本专业应用技能型人才培养的强有力支撑。而目前开设的光电子专业的院校课程体系不完善,文章根据企业对光电子专业的人才需求,并针对本专业课程设置的现状进行分析,以职业技能为主线,以职业能力分析为切入点,以就业为导向,建设以＂必需、实用、够用＂为依据的模块化项目课程体系,重组课程结构,最终形成具有职业院校光电子专业特色的课程体系结构。 相似文献
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光电子产业是光技术与电技术的结合,是光与电的有机转化互动。是新兴的技术与产业,是以微电子产业为基础发展起来的。近年来,光电子技术应用领域拓展迅速,已经成为现在社会的支柱产业。大连是首批国家半导体照明产业基地四家之一,是光电子器件的主要生产基地,为学校设立光电子专业提供发展空间。 相似文献
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文章基于光电子技术实验教学现状,从教学设备、教学方法、教学评价三个方面对光电子技术实验教学进行了分析,可为相关教育工作者提供参考。 相似文献
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本文在简述光电子学及光电子技术在21世纪的重要作用的基础上，介绍了暨南大学在光电子技术人才培养方面所进行的教学改革和实践探索。 相似文献
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阐述了光电子技术课程在电子信息工程专业教学中的重要性,并根据多年的教学经验讨论了电子信息工程专业教学中光电子技术课程的理论教学和实验教学的内容、方法及手段等。 相似文献
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1 Introduction a Zinc Oxide (ZnO), a II-VI compound semiconductor with a wide direct band gap of about 3.4 eV [1], has been extensively studied in recent time for their possible applications in short-wavelength light-emitting devices [2], surface wave dev… 相似文献
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Evolution of Surface Oxide Film of Typical Aluminum Alloy During Medium-Temperature Brazing Process简 总被引：1，自引：0，他引：1
The evolution of the surface oxide film along the depth direction of typical aluminum alloy under medium-temperature brazing was investigated by means of X-ray photoelectron spectroscopy （XPS）. For the alloy with Mg content below 2.0wt%, whether under cold rolling condition or during medium-temperature brazing process, the en-richment of Mg element on the surface was not detected and the oxide film was pure Al2O3. However, the oxide film grew obviously during medium-temperature brazing process, and the thickness was about 80 nm. For the alloy with Mg content above 2.0wt%, under cold rolling condition, the original surface oxide film was pure Al2O3. However, the Mg element was significantly enriched on the outermost surface during medium-temperature brazing process, and MgO-based oxide film mixed with small amount of MgAl2O4 was formed with a thickness of about 130 nm. The alloy-ing elements of Mn and Si were not enriched on the surface neither under cold rolling condition nor during medium-temperature brazing process for all the selected aluminum alloy, and the surface oxide film was similar to that of pure aluminum, which was almost entire Al2O3. 相似文献
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In this study, a bulk composite material symbolized as NiCo LDH-rGO/Ni F was developed by a solvothermal process for the first time. This material was fabricated through simultaneous growth of nickel-cobalt layered double hydroxide(NiCo LDH) and reduced graphene oxide(rGO) on nickel foam. This bulk composite can be used directly as a binder-free electrode for supercapacitors(SCs). The physicochemical properties of this composite were characterized by scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, and X-ray photoelectron spectroscopy. The electrochemical properties of the composite were measured by the cyclic voltammetry and galvanostatic charge-discharge. The results show that this composite had a hierarchical structure and exhibited a significantly enhanced specific capacitance of up to 3383 F/g at 1 A/g. The asymmetric SC using this composite as a positive electrode had a high energy density of 40.54 Wh/kg at the power density of 206.5 W/kg and good cycling stability. Owing to the synergies between the metal oxides and the rGO, the preparation method of in situ growth and its hierarchical structure, this bulk composite displayed excellent electrochemical performance and had a promising application as an efficient electrode for high-performance SCs. 相似文献
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Quantum numbers and electron configurations form an important part of the general chemistry curriculum and textbooks. The objectives of this study are: (1) Elaboration of a framework based on the following aspects: (a) Origin of the quantum hypothesis, (b) Alternative interpretations of quantum mechanics, (c) Differentiation between an orbital and electron density, (d) Differentiation and comparison between classical and quantum mechanics, and (e) Introduction of quantum numbers based on electron density; (2) Formulation of five criteria based on the different aspects (a, b, c, d, and e), and (3) Evaluation of 55 freshman college‐level general chemistry textbooks. Results obtained show: Criterion 1, none of the textbooks described satisfactorily that Planck’s role in the origin of the quantum hypothesis was more at the level of an empirical adjustment, whereas Einstein provided the physical significance of the quantum hypothesis; Criterion 2, few textbooks (two satisfactory and four mentioned) included alternative interpretations of quantum mechanics (e.g., Bohm) and thus ignored that most theories are underdetermined by experimental evidence; Criterion 3, none of the textbooks described satisfactorily that orbitals are mathematical constructs and the shapes of the orbitals (s, p, d, f) are not derived from quantum mechanics but instead from electron density measurements; Criterion 4, although, quantum mechanics approaches classical mechanics as a limiting case, none of the textbooks presented a framework to facilitate transition in student understanding from classical to quantum mechanics (28 textbooks made a simple mention); and Criterion 5, few textbooks (one satisfactory, five mentioned) facilitated the introduction of quantum numbers based on experimental determination of electron density (photoelectron spectrum). It is concluded that the inclusion of these criteria in textbooks can facilitate students’ conceptual understanding of quantum numbers and electron configurations. 相似文献
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朱建华 《太原大学教育学院学报》2012,(1):82-85
"光电效应"是高中学生对量子理论的初步认识,由于学生对光电效应现象及其原理不易理解,让学生通过实验认识光电效应现象是最为直接和有效的,但是在普通高中的实验条件下,实验不容易演示成功,而且不符合学生的认知过程。文章在原有实验条件的基础上,对实验进行了改进,给出了三种改进后的实验方案。 相似文献
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斯坎德尔·吾斯曼 《新疆教育学院学报》2006,22(2):152-154
本文以光学课程教学中反映出来的疑难问题为线索,对光电效应和康普顿效应作了比较系统的分析,进一步总结出两种现象的物理本质及规律,联系和区别,以促进概念教学。 相似文献
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光电化学的特性及研究进展 总被引：4，自引：0，他引：4
光电化学是当前十分活跃的研究领域,它是光伏打电池(光能转换成电能)、光解和光电合成(光能转换成化学能)、光电催化(光能改变电极反应速度和选择性)等实际应用的基础。除此之外,光电化学对金属氧化物钝化膜表面行为及半导体超微粒的光电转换机理的探讨也不失为一种重要的研究手段。 相似文献
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基于对工作过程为导向的课程与教学模式的认识和理解,遵循国家示范性高等职业院校重点专业建设的指导思想和原则,与专业教学团队共同开发出了光电子技术专业新的专业课程体系,并提出了激光设备生产与应用方向课程开发与实施的思路和框架。 相似文献