High-Field Physics and Ultrafast Technology Laboratory• Extended and optimized the harmonics to 9 nm, and confirmed the phase-matching mechanism of high-harmonic generation.• Actively improved the analysis program to minimize human error by saving input parameters together, and produced legible analysis results.• Constructed the optical path, and improved the mount to save time and enhance robustness simultaneously.• Founder of the measurement automatization of the High-Field Lab based on the server-client protocol by LabVIEW.