A gallium nitride LED on sapphire has a typical internal quantum efficiency of around 70%.
基于蓝宝石的氮化镓发光二极管的一般内量子效率约为70%。
Their quantum efficiency is in the 1 to 4 percent range.
量子效率仅在百分之一到百分之四之间。
The advantage of phosphorescent materials is that they can utilize both singlet and triplet exciton states which can reach 100% internal quantum efficiency theoretically.
磷光材料在发光过程中可以利用单线态和三线态激子，理论上内量子效率达到100%，这类材料的使用成为提高器件效率的主要途径之一。
The external quantum efficiency of photon crystal(PHC) structured LED is calculated.
对光子晶体结构的外量子效率进行了计算。
Fluorescent quantum efficiency has nothing to do with the wavelength of exciting light.
荧光量子效率不随激发光波长而变化。
Problems in the experiment and the method of obtaining high quantum efficiency are discussed.
文中讨论了实验中存在的问题和提高量子效率的方法。
The results show that the internal quantum efficiency of such structure devices can be as higher as 88%.
结果表明，这种结构器件的内量子效率可达88％。
Electron multiplying CCD is the novel imager that has ultra-low readout noise and high quantum efficiency.
电子倍增CCD是超低读出噪声和高量子效率的新型器件。
Average quantum efficiency is 15% and short wavelength responses are almost equivalent to long wavelength ones.
阴极的平均量子效率15%，且短波响应与长波响应几乎相当。
However, it has some disadvantages keeping back its application, such as low quantum efficiency, low reaction rate.
就目前而言，量子效率低、反应速度慢等缺点制约了光催化氧化的应用。
The quantum efficiency of organic light emitting diodes (OLED) is an extraordinary factor of devices luminescence performance.
有机电致发光器件(OLED)的量子效率是衡量器件发光性能的一个非常重要的参数。
This type of devices are required to have high-speed, high quantum efficiency and ultra-narrow spectral linewidth simultaneously.
这类器件需要同时具备高速、高量子效率、超窄光谱响应线宽的性能。
The modification methods of titanate nanotubes are adopted to broaden the photoabsorption region and improve photo-quantum efficiency.
为了拓宽可见光吸收范围和提高量子产率，需要对其进行改性。
The detective quantum efficiency (DQE) can be used to accurately describe the image noise transfer characteristics through many imaging systems.
检测量子效率(DQE)可被用来精确描述图像噪声通过成像系统的传播特性。
In this paper, the hemispherical grating technique, which is effectively used in enhancing quantum efficiency of Si photodetector, is introduced.
本文介绍了提高硅光探测器量子效率的半球形点阵技术。
The effects of device temperature on the laser threshold current, external differential quantum efficiency (DQE), and output wavelength are also investigated.
研究了器件温度对于激光阈值电流、外微分量子效率和输出波长的影响。
Under electroluminescent mechanism, external quantum efficiency and internal quantum efficiency are used to evaluate the organic electroluminescent properties.
从发光机制考虑，一般常用外量子效率和内量子效率来评价。
The photocathode composition determines the spectral response, the quantum efficiency at each wavelength, the overall uniformity of photomultiplier sensitivity, and the dark current.
光电阴极的构成决定光谱响应、每种波长的量子效应、光电倍增管灵敏度的均一性和暗电流。
Spontaneous Parametric Down-conversion(SPDC); correlated photon; quantum-efficiency; coincidence count;
自发参量下转换；相关光子； 量子效率；符合计数；
Spontaneous Parametric Down-conversion(SPDC); correlated photon; quantum-efficiency; coincidence count;
自发参量下转换；相关光子； 量子效率；符合计数；
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