窄带发射

与单个光源比较，阵列光源测量结果显示了高的发光强度和窄带发射特性，在50%的调制深度下调制频率为30Hz。

The measured results show that the IR emitter arrays exhibit a strong , narrow-band emission in middle infrared range . The modulation frequency can be as high as 30 Hz at 50 % modulation depth .

含Eu~（3+）红色窄带发射的电压变色有机电致发光

EU 3 + containing organic EL color changeable with applied voltage

针对窄带发射信号，为了便于计算，设计了一种适用于任意采样率的基于复包络的混响信号仿真方法。

In order to simulate narrowband reverberation time series easily , the simulation method designed based on simulating reverberation complex envelop , which is feasible for any sampling frequency .

具有窄带发射的稀土配合物发光材料，因其具有高荧光量子效率，高色纯度等特点，被用于制备有机电致发光器件。

Rare earth complex materials have been widely used in organic electroluminescence devices because of their high photoluminescence quantum efficiencies , narrow emission spectra and high color purity . In this review , these materials are introduced briefly .

二价铕离子（Eu2+）在KMgF3晶体中产生窄带线状发射，峰值位于360nm。

The line emission peak of Eu ~ ( 2 + ) ion in crystal KMgF_3 is at 360 nm .