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Researchers at the University of Tokyo have developed a technique to drastically increase the speed of infrared spectroscopy. The technique, called time-stretch infrared spectroscopy, surpasses dual-comb spectroscopy nearly 10× over. The research could enable observation of very quick chemical reactions, as well as new applications in high-speed imaging or label-free flow cytometry.
“I have worked on developing dual-comb spectroscopy for a while and noticed its advantages and disadvantages, and realized that we need another technique to improve its measurement speed with higher sensitivity,” said Takuro Ideguchi of the Institute for Photon Science and Technology at the University of Tokyo.
Laser pulses lasting…