Request InfoPrinceton Optronics Inc.With high temperature capability and wavelength stability, two high-brightness, high-power 808-nm VCSEL arrays from Princeton Optronics Inc. are designed for pumping Nd:YAG lasers. One product is a chip on submount featuring power densities of 3.5 kW/cm2 and delivering more than 800 W of optical output power in quasi-CW mode. The array can be focused into a 1.3-mm spot into the Nd:YAG crystal for end or side pumping. CW power from the array is >250 W. Quarter-circle VCSEL arrays chips can be used in a series of four (pictured) to output more than 3 kW in quasi-CW mode. The...See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra December 2023 IssueCompact Proximity SensorThe RPR-0720 from ROHM Semiconductor is a compact 2.0 mm × 1.0 mm proximity sensor for applications requiring attachment, detachment, and proximity detection. 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