Rectangular Waveguide Radial Combiners With Coaxial or Circular Intermediate Waveguide Sections Based on Stub Matching

Fahmi, Mohamed M.; Ruiz-Cruz, Jorge A.; Mansour, Raafat R.

doi:10.1109/tcpmt.2023.3314317

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2024

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Cited by 3 publications

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Yan,

Yang

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IEEE Microw. Wireless Tech. Lett.

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Broadband Low-Loss Four-Way Power Divider Using Composite Cavity

Huang,

Yan,

Yang

et al. 2024

IEEE Microw. Wireless Tech. Lett.

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A Design of High-power Microwave Antenna Array Based on the TEM-TE₁₀ Mode Transition Method

Chen,

Mao,

Jiang

et al. 2024

2024 Photonics &Amp; Electromagnetics Research Symposium (PIERS)

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Improving the Power Efficiency of a Microwave Plasma Source by Using the Principle of a Variable-Impedance Waveguide

Thosdeekoraphat,

Kotchapradit,

Bunpradit

et al. 2024

Energies

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Microwave plasma sources are used in various applications, but inefficiency can limit their usefulness. Researchers have investigated a new approach with which to improve efficiency by using a waveguide with a special tuner. A standard waveguide was compared to one equipped with a stub tuner, which allows for the fine-tuning of the electrical properties. The experiment used a frequency of 2.45 GHz and tested input powers of 1 kW and 1.5 kW. Experiments showed that waveguides with tuners transferred power more efficiently, with fewer reflected and more transmitted microwaves. While peak temperatures remained similar, the tuned waveguide produced a hotter plasma flame (30–60 °C) at the same distance. Notably, increasing the input power further boosted the flame temperature by 300 °C. These findings suggest that stub tuners can significantly improve the efficiency of microwave plasma sources. This paves the way for more efficient plasma generation technologies and potentially allows for applications requiring even higher power.

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Rectangular Waveguide Radial Combiners With Coaxial or Circular Intermediate Waveguide Sections Based on Stub Matching

Cited by 3 publications

References 46 publications

Broadband Low-Loss Four-Way Power Divider Using Composite Cavity

Broadband Low-Loss Four-Way Power Divider Using Composite Cavity

A Design of High-power Microwave Antenna Array Based on the TEM-TE₁₀ Mode Transition Method

Improving the Power Efficiency of a Microwave Plasma Source by Using the Principle of a Variable-Impedance Waveguide

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Rectangular Waveguide Radial Combiners With Coaxial or Circular Intermediate Waveguide Sections Based on Stub Matching

Cited by 3 publications

References 46 publications

Broadband Low-Loss Four-Way Power Divider Using Composite Cavity

Broadband Low-Loss Four-Way Power Divider Using Composite Cavity

A Design of High-power Microwave Antenna Array Based on the TEM-TE10 Mode Transition Method

Improving the Power Efficiency of a Microwave Plasma Source by Using the Principle of a Variable-Impedance Waveguide

Contact Info

Product

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About

A Design of High-power Microwave Antenna Array Based on the TEM-TE₁₀ Mode Transition Method