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Updated: Sep 22, 2025

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Non-equilibrium Microwave Plasma for Efficient High Temperature Chemistry
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In the shadow of the laser phantom needle cross: dynamic air-plasma aperture sheds light on terahertz microscopy
Daniel Headland1, Withawat Withayachumnankul2
1Optoelectronics and Laser Technology Group, Department of Electronics Technology, Universidad Carlos III de Madrid, 28911, Madrid, Spain.
Light, Science & Applications
|May 20, 2022
Abstract:
Two plasma filaments crossing above the target create a subwavelength window for terahertz microscopy that excludes any subwavelength probe in vicinity.

