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In the past 50 years, the pursuit of shorter laser pulses has been the driving force in advancing ultrafast science, with laser pulse compression techniques now enabling the generation of single-digit femtoseconds and even attosecond pulse durations.
A research team at National Tsing Hua University (NTHU) in Taiwan has captured an instant moment in the nanoworld by producing attosecond extreme ultraviolet pulses. This light source can work as a nano camera to capture images of 5-nanometer-scale objects that move at an extremely high speed, such as an electron. This technology is expected to advance the design of next-generation transistors and memory chips with significantly increased speed for computers and communications.