Request InfoHamamatsu CorporationAn InGaAs avalanche photodiode with a 0.2-mm-diameter active area and high-speed response of 0.9 GHz has been introduced by Hamamatsu Corp. Applications for the G8931-20 include distance measurement, spatial light transmission and detection of low-light levels. Its spectral response range is 0.9 to 1.7 μm, with peak photosensitivity of 0.9 A/W at 1.55 μm. The device also features low breakdown voltage between 40 and 60 V, typical capacitance of ∼1.5 pF and typical dark current of 150 nA.See full productRelated content from Photonics MediaARTICLESPhotonics Spectra May 2023 IssueNovel Photodiode Cuts Excess Noise, Enhances Detection EfficiencyResearchers at the University of Sheffield designed and developed an avalanche photodiode (APD) with significant potential for low photon detection. 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