Near-infrared single photon detection is one of the key problems of realizing the quantum security communication.
其中近红外单光子探测技术是实现量子保密通信的关键问题之一。
The simulation of the system of single-photon detection for the space targets is carried out based on these models to get the number of laser photon echo which is simulate value.
利用所建立的模型对探测系统进行仿真，得到激光回波光子数模型仿真值。
Photon-tissue interactions and photo-biomedical detection are the hotspots of current biomedical photonics research.
光子与生物组织的相互作用和光生物医学检测是当前生物医学光子学的研究热点。
The Photon-Count method formula for NO NO detection based on the principle of CL is deduced and the system parameters which can influence the detection sensitivity are analyzed in detail.
推导出基于化学发光检测原理的光子计数法测量NO浓度的公式，详细分析了影响检测灵敏度的系统参数。
MethodsUltra-weak photon emission of esophageal cancer cells was detected using the biological ultra-weak emission detection techniques.
方法采用生物超微弱发光探测技术对食管癌细胞的超微弱发光进行研究。
The photon counting detection technique and the improvement of the signal-to-noise ratio are analyzed theoretically.
理论分析了光子计数探测技术和信噪比的改善，实验研究了改善信噪比的脉冲累计方法。
The method of trace detection of benzene, toluene, ethylbenzene, and xylene(BTEX) was studied in ambient air using laser two-photon ionization.
利用激光双光子电离技术研究了在大气压力下探测痕量苯系物的方法。
Image quality is improved. The probability of detection of ultra-weak bioluminescence in the photon count imaging system and limit of detection of photon image are discussed.
讨论了生物超微弱发光的统计分布，分析了生物超微弱发光在光子成像系统中的探测概率和光子图像的探测极限。
The probability of detection of ultra weak bioluminescence in the photon count imaging system and limit of detection of photon image are discussed.
分析了生物超微弱发光的光子图像特点，从而看出对光子图像进行统计研究的必要。
We theoretically analyzed the effect of both pump and detection bandwidth to the distribution range of photon pairs generated by SPDC process.
分析了泵浦光的谱宽以及测量所选用的滤波器的带宽对下转换产生的信号光和闲置光分布范围影响。
We report here briefly the principle and the device of our single-molecule detection spectrometer based on two-photon excited fluorescence.
介绍采用双光子激发荧光方法进行单分子探测的原理和自行研制的实验装置，激发光聚焦和荧光收集采用共焦方式。
The single-photon prompt detection can come true for high repetition-rate pulses. The applying of this detector will largely raise the code rate of the QKD, and boost the commercial use.
利用它可实现快速的单光子探测，提高量子密钥分配系统的码率，促进量子密钥分配系统的实际应用。
Another Cerenkov detector's advantage is that have relatively higher response for X-ray photon with higher energy, which means better discrimination in material atomic number detection.
另外，对高能X射线有更好的相对能量响应是其在此方面应用的另一个优势。
Another Cerenkov detector's advantage is that have relatively higher response for X-ray photon with higher energy, which means better discrimination in material atomic number detection.
另外，对高能X射线有更好的相对能量响应是其在此方面应用的另一个优势。
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