Request InfoRoithner Lasertechnik GmbHRoithner Lasertechnik is offering vertical-cavity surface-emitting lasers (VCSELs) in a variety of packages, and as chips with wavelengths at 780, 850 and 980 nm. In addition, 1 x 2, 1 x 4, 1 x 8, 1 x 12, 2 x 2 and 4x 4 VCSEL arrays are available with 250-µm pitch and power in excess of 0.5 mW at 12 mA.See full productRelated content from Photonics MediaPRODUCTSPhotonics Spectra August 2023 IssueLithography SystemThe NSR-S625E argon fluoride (ArF) immersion scanner from Nikon Corp. is optimized for middle critical layers. 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