Extinction ratio

In telecommunications, extinction ratio (r_e) is the ratio of two optical power levels of a digital signal generated by an optical source, e.g., a laser diode. The extinction ratio may be expressed as a fraction, in dB, or as a percentage. It may be given by

单词	Extinction ratio
释义	Extinction ratio 英语百科 Extinction ratio In telecommunications, extinction ratio (r_e) is the ratio of two optical power levels of a digital signal generated by an optical source, e.g., a laser diode. The extinction ratio may be expressed as a fraction, in dB, or as a percentage. It may be given by
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