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\title{HIGH-SPEED VIBRATIONAL SPECTROSCOPY WITH TIME-STRETCH TECHNOLOGY}


\author{\underline{\FirstName T. \LastName IDEGUCHI}}
\address{Institute for Photon Science and Technology, The University of Tokyo, 113-0033 Tokyo, Japan}


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\fancyhead[C]{{\footnotesize \textit{HRMS, 28th Colloquium, Dijon, France,
  Aug. 28 - Sept. 1, 2023}}}
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The advancement of manipulation technologies for ultrashort laser pulses has led to significant improvements in the measurement speed of broadband vibrational spectroscopy.
Laser frequency comb spectroscopy, particularly dual-comb spectroscopy, has dramatically increased the scan rate of interferometric measurements, thereby enabling high-speed Fourier-transform spectroscopy.
However, its measurement speed is limited to approximately 1 MSpectra/s due to the signal-to-noise ratio.
We have recently pioneered even faster vibrational spectroscopy techniques, capable of running at tens of MSpectra/s, by applying time-stretch technology.
In this talk, I will introduce our latest developments in both infrared and Raman spectroscopy: time-stretch infrared spectroscopy (TS-IR) and time-stretch coherent Raman spectroscopy (TS-CRS).


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