Optical attenuator is the optical device for reducing optical signal power. Depending on the application, the optical attenuator can be divided into adjustable optical attenuator and fixed optical attenuator. Today we will introduce the basics of fixed optical attenuators. The attenuation power of fixed optical attenuator is fixed(1 dB, 5 dB, 10 dB etc). The attenuation power of fixed optical atte...
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