Implemented in the present deep sub - micron ms / rf ( mixed signal , radio frequency ) cmos , this monolithically oeic takes advantage of several new features to improve the performance of the photo - diode and eventually the whole oeic 这种单片集成接收机采用了先进的深亚微米ms / rf （混合信号射频） cmos工艺，利用这种新型工艺提供的新技术对原有光电二极管进行了改进，使其部分性能显著改善，并对整个光电集成芯片性能的提高有所帮助。
After pin ’ s noise and equivalent circuit are discussed , this thesis introduces technology and methods of signal management , including pre - amplifier and differential - amplifier , bpf , lia , etc . at the end of paper , the system of photoacoustic spectrometer is proved by experiment 本文在讨论了光电二极管的噪声和等效电路之后，介绍了信号处理的技术和方法，包括前置放大器、差分放大器和有源带通滤波器的设计及用于微弱信号检测的锁相放大技术。
The detector was characterized to have a cutoff wavelength at 340 nm and the photo - responsivity measurements on the pixels result a uv response as high as 0 . 15 a / w , corresponding to an external quantum efficiency of 54 . 8 % in the visible - blind spectral ranging from 400 down to 250 nm 该肖特基光电二极管阵列的光谱响应截止边为340nm 。在400nm至250nm的紫外光盲区域，光电响应测试显示该器件在截止边波长处具有0 . 15a / w的高响应度，相对应的外量子效率为54 . 8 。
In part ii a novel designed electronic tongue is developed , which is a multiopto - sensoriccard * based optical ditch system for online liquid detection . compared with traditional e - tongue , the sensing mechanism of our system is based on spectrum analysis technique . three actual measuremental results presented in the thesis demonstrate the validity and advantage of this system 本文将光电子技术和光谱分析技术相结合，区别于已有电子舌系统中，利用化学反应实现液体检测的研制思路，提出了一种利用光谱分析技术的电子舌研制思想，研制了基于集成led和光电二极管阵列的双光路凹型光耦合电子舌系统，所研制的系统具有小体积、低功耗、低成本的特点。
The pin silicon photodiode made by alice - china group , which has a large area and high performances , is an important part of the photon spectrometer ( pros ) pbwo4 detector read - out system on the alice experiment . the pin diode has a sensitive area of 16x17 mm2 . its leakage current is lower than 5na at room temperature 本工作研制的pin硅光电二极管的灵敏区面积为16x17mm2 ，常温漏电流小于5na ，紫光区量子效率约为83 % ，结电容为110 - 120pf ，以及由pin光电二极管与电荷灵敏前置放大器组成的读出系统的噪声水平在- 25下小于527个等效噪声电荷，并经过了长期性能稳定性的考验
The precise measurement data can be useful for antenna design and slot coupling studding . this paper gives it ’ s deduction through reciprocity principle and the structure of the optically modulated scatterer system . an applied optically modulated scatterer system is designed and photodiodes are used as modulation module 本文给出以互易原理为基础的光调制散射器测量法的理论推导,并用光电二极管光导开关作为散射器中间部分的光调制单元,设计出了实用的光调制散射器微波测量硬软件系统。
This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode . the detector and the monochromator of one spectrum measurement system had been calibrated using the method , and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured . the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration 本文研究了一种利用光电二极管传递标准探测器标定普通探测器和单色仪系统的方法，实际标定了所用的探测器和单色仪系统，测得了喷气靶激光等离子体光源的相对光谱分布，设计出绝对光谱分布的测量方法，并且利用labview的g语言及相应的数据采集卡等硬件设备构造出一套智能化、高效率的测量系统，完成了多层膜反射率测量工作。
This paper introduces an instrument which is applied to measuring the characteristic parameters of light emitting diode ' s or some of other light sources " . relevant theories are verified by this instrument . the principle of this instrument system can be described as follows : it takes photodiode as its detector , and a single - chip mcu named at89c51 is the core processor that manages data acquisition , field control , data communication , etc . pc analyses datas and apply algorithms to get the characteristic parameters of led , and then gives out the results of analyse in proper ways 该仪器系统采用光电二极管作为光电探测传感器，以at89c51单片机为核心处理器，进行数据采集和现场控制，并通过与pc机发生通信，将数据发回pc机进行进一步的处理， pc可在此基础上从算法级对二极管特征参数进行分析和运算，并进而以合适的数据表现方式给出分析结果。
In this thesis we have analyzed some kinds of single photon detector and their advantage and disadvantage firstly . then , the key apparatus ( ingaas - apd ) and its characteristics have been studied . we have tested the apds of perkinelmer , oki and photon company , and got some useful parameters 其次，主要对量子通信用单光子探测器的核心器件? ? ingaas雪崩光电二极管( ingaas - apd )的暗电流特性、光电流、温度特性、雪崩特性等进行了研究，同时把飞通公司、 oki公司、 perkinelmer公司的apd进行了比较，分别得出了它们的特性参数，为研制实用的红外单光子探测器提供了重要的依据。
First the author introduces the design of the flame monitoring system based on pic16f877 mcu in details . the detector , ( ecadata company ’ s production ) , si - photodiode , is used as the sensor . its photoelectric current output is proportional to input light ’ s energy 经方案比较,决定选用基于火焰的红外光谱辐射特性的火焰检测原理,研制开发火焰监测系统,检测元件选择ecadata公司生产的红外雪崩型硅光电二极管,光电二极管在接受红外辐射时,其产生光电流的大小与入射光能量成正比。
