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Glossary1 3 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
OMI stands for Optical Modulation Index - It is a variable in the determination of the carrier power and thus the carrier-to-noise ratio (CNR). This is a major factor in the performance of optical communication systems. OMI indicates how much the modulation signal affects light output and is measured in percent.