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active optical cable, also known as AOC, AOC is the abbreviation of Active Optical Fiber. At one end of the active optical cable, the data is input into an electrical signal, and the electrical signal is converted into an optical signal of a specific wavelength through a photoelectric conversion device. The optical signal is modulated and coupled and then input into the transmission optical cable. After the optical signal reaches the other end, the photoelectric detection device detects, amplifies, and processes the signals, and then the corresponding electrical signal is output. The reverse transmission principle is the same. Passive optical cables have obvious price advantages over active optical components, so why use active optical cables?

Vitamin C has strong reducibility and is easily oxidized to dehydrovitamin C. However, the reaction is reversible, and ascorbic acid and dehydroascorbic acid have the same physiological function, but if dehydroascorbic acid is further hydrolyzed to produce diketogulonic acid, the reaction is irreversible and completely loses its physiological efficacy.