PulseCheck NX from APE are compliant with the highest standards for pulse measurements (DIN 58175-2:2021-04) and their calibration is fully NIST traceable. The autocorrelators are trusted in R&D as well as in manufacturing / quality control of nearly all the leading laser manufacturers. APE pride themselves in providing tools to measure laser pulses over the widest parameter range available, from UV to far infrared, from 5 fs up to 500 ps and with a dynamic range of up to 7 orders of magnitude for certain configurations.