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在通常光敏器件中,光电信号用下列三种方式取出。 1.反偏法 就是在受光p-n结(承担光电转换的p-n结叫受光p-n结)上加数伏反向偏压,于是描述p-n结光电效应的基本公式变为: Ⅰ_c=Ⅰ_(sc)+Ⅰ_0 2.短路法(亦称光伏运用)若用比受光
In the usual photosensitive device, the photoelectric signal is taken out by the following three ways. 1. Reverse bias method is in the light-receiving pn junction (pn junction to undertake photoelectric conversion called light-receiving pn junction) plus a few volts reverse bias, then describe the pn junction photoelectric effect of the basic formula becomes: I_c = Ⅰ_ (sc) + Ⅰ_0 2. Short-circuit method (also known as photovoltaic use) If the ratio of light