1) GaAs photoconductive dipole antenna
GaAs光电导偶极天线
3) GaAs photocathode
GaAs光电阴极
1.
Stability of GaAs photocathodes under different intensities of illumination;
GaAs光电阴极在不同强度光照下的稳定性
2.
A dedicated,computer-automated multi-information measurement system has been successfully developed,based on field bus,which is capable of on-line measuring,acquiring,saving and processing most information involved in GaAs photocathode preparation,including the pressure of the activation vacuum chamber,photocurrent of the photocathode,spectral response,current of both Cs and O sources.
研制了一套基于现场总线技术的GaAs光电阴极多信息量测试系统,该系统可在线测试和保存阴极制备过程中的大部分信息量,如激活系统的真空度、阴极光电流、光谱响应曲线、Cs源和O源电流等。
3.
A novel computer-controlled multi-function system has been developed to characterize GaAs photocathode.
利用自行研制的GaAs光电阴极多信息量测试与评估系统,比较了不同Cs、O激活方式下GaAs光电阴极的激活过程、光谱响应特性以及稳定性的差异,发现与传统的Cs源、O源交替断续激活方式相比,Cs源持续,O源断续的激活方式能获得灵敏度更高和稳定性更好的阴极,且阴极的长波响应能力也得到提高。
4) electrical dipole antenna
电偶极子天线
5) dipole
[英]['daipəul] [美]['daɪpol]
偶极子天线(电信)
6) ZnSe/GaAs photoelectrode
ZnSe/GaAs半导体电极
补充资料:“质子-电子偶极-偶极”质子弛豫增强
“质子-电子偶极-偶极”质子弛豫增强
物理学术语。原子核外层中不成对的电子质量小,但磁动性很强,可使局部磁场波动增强,促使氢质子弛豫加快,从而使T1和T2缩短,这种效应即为PEDDPRE。过渡元素和镧系元素大部分在d和f轨道有多个不成对电子,所以其离子往往具有PEDDPRE,可用来作顺磁性对比剂,如钆(Gd)。Gd在外层有7个不成对电子,具有很强的顺磁性。
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参考词条