The effects of excitation light source, grating of spectrometer and emis sion detector et al on the fluorescent spectra are studied. 实验表明,在掺稀土离子激光玻璃荧光光谱的测量中,只有选取合适的测量条件,才可获得准确、可靠的测试结果。
A novel miniaturized fluorescence detector by using a blue high-power Light-emitting-Diode ( LED) as its excitation light source was developed for microfluidic chip analysis. 以高功率发光二极管(LED)为激发光源,研制了一种小型LED诱导荧光检测器,用于微流控芯片分析检测。
The excitation light source is a wavelength-tunable pulsed infrared laser formed by a pulsed YAG laser pumped optical parametric generator/ amplifier. 激发光源为脉冲YAG激光泵浦的光学参量产生器/放大器形成的可调谐红外脉冲激光器。
The effect of experiment shows: When the Fluorescent Twine is applied to Swing-net, the effect is not evident and the problems of resource protection and excitation of light source must be considered; 试验结果表明,发光网线应用于被动性张网渔具时,增产效果不明显,而且还必须考虑资源保护和解决光源激发问题。
The system adopts a pulsed xenon lamp as an excitation light source, chooses optical fibers to transmit and detect fluorescence, implements dispersion of fluorescence with a small-sized flat field grating spectrometer and conducts data gathering and conversion with a high speed signal processing module. 系统以脉冲氙灯为光源,以Y型球面光纤探头传输和探测荧光,以小型平场光谱仪实现荧光分光,以高速数据采集模块实现荧光信号的采集转换。
It adopted a xenon lamp as an excitation light source, used optical fibers to transmit and detect fluorescence, implemented optoelectronic conversion with charge-coupled devices, designed corresponding weak signal process circuits and applied a computer to store and display the messages. 系统以脉冲氙灯为激发光源,采用光纤进行传输和探测荧光,利用CCD线阵实现了光电信号的转换,设计了相应的弱信号处理电路,并由微机进行存储和显示。
The system uses high-pressure short-arc xenon lamp as an excitation light source, applies AOTF as dispersive elements, utilizes fibers to probe and transmit fluorescence, applies data-gathering cards to receive data and implement A/ D conversion and then data are stored and displayed by a computer. 系统以高压短弧氙灯为激发光源,以AOTF为分光元件,利用光纤探测传输荧光,采用数据采集卡实现数据接收和A/D转换,由微机进行数据存储和显示。
Design of Excitation Light Source in the Fiber-optic Fluorescence Measurement of Mineral Oil Concentration 光纤荧光矿物油浓度测量中激发光源的设计
The samples were observed under fluorescence microscope at 380~ 420 nm excitation wavelengths from a high-voltage mercury light source. 激发光范围380~420nm高压汞灯为源的荧光显微镜观察。
The fiber integrated on the chip was used as excitation light source, which makes the size of the light spot was near the depth of microfluidic channel to improve the detection sensitivity and spare the optical focusing system. 用集成在芯片上的光纤作为激发光源,可使激发光斑的大小与微流控沟道的深度尺寸相接近,提高了检测灵敏度,省去了光学聚焦系统。
Detection unit was designed with LED being excitation light source and CCD camera being detection device. Detection optical path, which efficiency was given a simplified calculation, was constructed using optical fiber, lenses and filters. 采用LED作为激发光源,CCD相机作为检测器件设计了检测单元,采用光纤搭建了检测光路并对效率做了简化计算。