Request InfoHamamatsu CorporationHamamatsu Corp. has developed the G6742 series of InGaAs PIN photodiodes for laser diode monitoring. Mounted in a small ceramic chip-carrier package, they have a spectral response range of 0.9 to 1.7 µm with peak sensitivity at 1.55 µm. Photosensitivity is 0.9 A/W at 1.3 µm and 0.95 at 1.55 µm. The G6742-003 has a 0.3-mm-diameter active area and a 300-MHz cutoff frequency, while the G6742-01 has a 1-mm active area and cutoff frequency of 35 MHz. Dark current for both models is 0.3 nA.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra November 2022 IssueLaser Welding SystemThe EvoWeld Mini from Evosys Laser GmbH is a compact, tabletop laser welding machine for plastics that processes small batches such as prototypes or assemblies with low volumes. 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