Download Characterizing inner-shell electron using ultrashort attosecond pulse

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Ultrafast strobe light source with ultrashort attosecond pulse
Characterizing inner-shell electron using ultrashort
attosecond pulse
We successfully observed inner-shell electron motion using isolated ultrashort attosecond (as: 10-18 second) pulses of light. It
behaves as an instantaneous strobe light and can directly access the inner-shell electron with ultrashort decay time. The
research on the inner shell is importance for studies in quantum optics, chemistry, and material science in the future.
Features
■ The attosecond light source has shortest temporal duration in the
world. As a camera needs a high-speed shutter to take stopmotion snap shots, an instantaneous strobe light of isolated
attosecond pulse (IAP) is necessary to observe the ultrafast
electron motion.
■ Since an inner-shell electron has an ultrafast motion, its properties
have been characterized. We successfully observed the innershell motion using the IAP.
Application Scenarios
【Fundamental research】
■ The achievement for inner shell with ultrafast motion will pave the
way for the study of novel chemical reactions and create new
materials.
【Application】
■ The inner shell could be useful for development of new type of
ultrafast photonic and electronic devices in the future.
Attosecond （as） : 10-18 second (one quintillionth of a second)
Femtosecond （fs） : 10-15 second (one quadrillionth of a second)
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