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13 March 2024 Low-cost single-shot THz electro-optic detection at MHz repetition rates, using photonic time-stretch
Christelle Hanoun, Christophe Szwaj, Eléonore Roussel, Serge Bielawski, Pascale Roy, Marie-Agnès Tordeux, Marie Labat, Jean-Blaise Brubach, Nicolas Hubert, Fernand Ribeiro
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Proceedings Volume PC12870, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IX; PC128700D (2024) https://doi.org/10.1117/12.3005351
Event: SPIE LASE, 2024, San Francisco, California, United States
Abstract
Photonic time-stretch is a very efficient technique for recording THz signals in single-shot, with high MHz-rate repetition rates. However, up to now, the range of applications suffered from the high cost of the oscilloscopes (or ADC boards) required for the readout, often in the 8-30 GHz range. We present a design for a single-shot THz digitizer (or time-domain spectrometer) using mid-IR probes, and low bandwith oscilloscopes (down to 1 GHz). Measurements at the THz beamline of synchrotron SOLEIL will be presented. Performances in terms of effective number of points versus costs will also compared to state-of-art single-shot TDS systems. These new designs are expected to considerably extend the application range of high repetition rate single-shot electro-optic detection and time-domain spectroscopy.
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Christelle Hanoun, Christophe Szwaj, Eléonore Roussel, Serge Bielawski, Pascale Roy, Marie-Agnès Tordeux, Marie Labat, Jean-Blaise Brubach, Nicolas Hubert, and Fernand Ribeiro "Low-cost single-shot THz electro-optic detection at MHz repetition rates, using photonic time-stretch", Proc. SPIE PC12870, Real-time Measurements, Rogue Phenomena, and Single-Shot Applications IX, PC128700D (13 March 2024); https://doi.org/10.1117/12.3005351
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KEYWORDS
Electro optics
Terahertz radiation
Design and modelling
Spectroscopy
Diagnostics
Oscilloscopes
Physics
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