Hoʻokumu kūʻokoʻa ʻo Rofea i ka photodetector integrated photodiode a me ka haʻahaʻa leo amplifier circuit, ʻoiai e hāʻawi ana i nā ʻano huahana like ʻole, no nā mea hoʻohana noiʻi ʻepekema Hāʻawi i ka lawelawe hoʻoponopono huahana maikaʻi, kākoʻo ʻenehana a me ka lawelawe maʻalahi ma hope o ke kūʻai aku.Aia ka laina huahana o kēia manawa: ka mea nānā kiʻi hōʻailona analog me ka amplification, loaʻa ka photodetector hiki ke hoʻololi, kiʻi kiʻi wikiwiki kiʻekiʻe, High Speed InGaAs Photodetector, ʻike maka hau hau (APD), ʻike kaulike, Low Noise Photodetector, Low Noise PIN Photoreceiver, etc.