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13 March 2024 Stretching rainbows to reveal THz fingerprints at high repetition rate
Nicolas Joly, Nicolas Couture, Wei Cui, Markus Lippl, Rachel Ostic, Défi Jubgang Fandio, Eeswar Kumar Yalavarthi, Aswin Vishnuradhan, Angela Gamouras, Jean-Michel Ménard
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Proceedings Volume PC12870, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IX; PC1287008 (2024) https://doi.org/10.1117/12.3005327
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
Dispersive Fourier method gives access to spectral information by mapping them in the time domain. This facilitates shot-to-shot spectroscopy of rapidly changing systems. We adapted this technique to demonstrate time-resolved THz spectroscopy at 50 kHz repetition rate by encoding the THz waveform onto the spectral components of spectrally broadened (NIR) ultrafast laser pulses.
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Nicolas Joly, Nicolas Couture, Wei Cui, Markus Lippl, Rachel Ostic, Défi Jubgang Fandio, Eeswar Kumar Yalavarthi, Aswin Vishnuradhan, Angela Gamouras, and Jean-Michel Ménard "Stretching rainbows to reveal THz fingerprints at high repetition rate", Proc. SPIE PC12870, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IX, PC1287008 (13 March 2024); https://doi.org/10.1117/12.3005327
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KEYWORDS
Terahertz radiation
Rain
Semiconducting wafers
Silicon
Microwave radiation
Molecules
Sampling rates
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