百度试题 结果1 题目The working principle of P-N photodiode is () A. Stimulated absorption B. Stimulated radiation C. Spontaneous radiation D. Active radiation 相关知识点: 试题来源: 解析 A 反馈 收藏
Photodiode is a semiconductor device which converts light into electric current. Learn more about it's working principle and application only @Byju's.
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Operating Principle A photodiode is a device composed of a PIN (p-n junction) structure that, through the process known as the inner photoelectric effect, produces electron-hole pairs when light strikes it. An electric field inside the diode moves these particles, sending holes to the anode ...
Figure 6. Working principle of a photodiode array element. If the parallel circuit of a photodiode and a capacitor is electronically shifted between a direct current source and a current measuring device, with a given frequency, it is possible to monitor the light intensity falling on the anode...
Photodiode Working Principle Therefore, holes in the region move toward the anode, and electrons move toward the cathode, and a photocurrent will be generated. The entire current through the diode is the sum of the absence of light and the photocurrent. So the absent current must be reduced ...
The photodiode responsivity is related to the quantum efficiency η, defined as the ratio of the number of generated electrons and the number of incident photons, by R = ηq/hν, where q is an electron charge, and hv is a photon energy. ...
Study on the self-scanning photodiode array (SSPA) of PIN structure A thorough investigation on the operation mode of photodiodes was made through analyzing the working principle of SSPA of recharging sampling mode. The dom... Y Huang,Q He,W Zhu,... 被引量: 1发表: 1995年 Use of HPLC...
A diode only permits a unidirectional current and has two terminals. A diode has absolute zero drops under the forward bias condition, it does not flow any current under the reverse bias situation.Answer and Explanation: The photodiode is constructed from two different types of diodes that are ...
In fact, the photodiode array itself does not consume any energy at all; energy is only consumed by the electronic circuit that selects the highest photocurrent. Pattern recognition and classification occur in real-time and are only limited by the physics of the photocurrent generation and/or ...