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Selectively igniting plasmas in air at atmospheric pressure through time-reversal of microwaves

Pierre Dussolliet-Berthod, B. Fromont, Jérôme Sokoloff, Olivier Rouzaud, Olivier Pascal, Mikaël Orain, Valentin Mazières
April 24, 2026
Published Date

Research Abstract & Technology Focus

Methods that could enable the generation of plasmas in air, at atmospheric pressure, and with the ability to precisely target where and when the plasmas are created are of great interest to domains such as fuel combustion. In this study, we show experimentally that this can be achieved by focusing nanosecond pulses through time reversal (TR) on split-ring resonator initiators. The choice of the TR signal determines the initiator on which the plasma is created. The role of the initiator in reaching the required gas breakdown field, the influence of the TR pulse duration and the electrical signature of the plasma on the received signal are also briefly investigated.
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Frequently Asked Questions (FAQ)

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What is the core focus of the research titled 'Selectively igniting plasmas in air at atmospheric pressure through time-reversal of microwaves'?

This literature focuses on: Methods that could enable the generation of plasmas in air, at atmospheric pressure, and with the ability to precisely target where and when the plasmas are created are of great interest to domains such as fuel combustion. In this study, we show e...

Are there open-source GitHub repositories related to Selectively igniting plasmas in air at atmospheric pressure through time-reversal of microwaves?

Yes, open-source projects like Nightmare-Eclipse/MiniPlasma (CVE-2020-17103 was apparently not patched or the patch was reversed, regardless this the PoC for an LPE in cldflt.sys) are actively building upon these concepts.

What other academic literature is closely related to 'Selectively igniting plasmas in air at atmospheric pressure through time-reversal of microwaves'?

Yes, highly correlated activity was mapped. An entry titled 'Predicting and controlling laser-induced breakup and multidirectional propulsion of liquid droplets' discusses this: Laser-driven control of droplets is important in microfluidics, targeted delivery, and droplet-based laser–matter interactions, yet propulsion dire...

How is the concept of 'Selectively igniting plasmas in air at atmospheric pressure through time-reversal of microwaves' being discussed by engineers on Hacker News?

Yes, highly correlated activity was mapped. An entry titled 'Show HN: Moon simulator game, ray-casting' discusses this: I love this gorgeous and evocative little time waster and come back to it every now and then. Notes:It starts out buttery smooth but over time its ...

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