The demand for progressively higher microwave power levels is growing fast. In the past, traveling-wave tubes (TWTs) played a key role in constructing a wide range of microwave systems for various applications, such as radars, satellites, and wireless communication links. However, their poor resilience to degradation significantly affects system reliability. Meanwhile, TWT amplifiers (TWTAs) are expensive, bulky, and require a considerable warm-up time and high-dc voltage levels, especially in low-frequency bands [1], [2].

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Waveguides are essential components of many high-power microwave communication systems, such as radar systems, air traffic control systems, radio/TV broadcast systems, satellite communication systems, and base stations of mobile networks for transporting high microwave power from the source to the antenna through electromagnetic wave propagation. Apart from transporting microwave signals, waveguides are employed for realizing several microwave components, such as resonators, filters, power dividers/combiners, and directional couplers; for more details on the design and use of waveguide components, see [1], [2], [3], and [4].

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Provides society information that may include news, reviews or technical notes that should be of interest to practitioners and researchers.

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I was recently a guest at a meeting and during a break was introduced to someone. “He chairs the ILC” I was told. I should have asked for clarification because I had no idea what ILC meant. Instant Lunch Committee? Eventually I figured out that it was an acronym for Industry Liaison Committee.

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IEEE has many committees and boards involved in its operation and governance. One such board is the IEEE Member and Geographic Activities Board (MGA Board), not to be confused with the MGA Committee, which is within the IEEE Microwave Theory and Technology Society (MTT-S) structure.

As you probably know, the IEEE Microwave Theory and Technology Society (MTT-S) is part of the Institute of Electrical and Electronics Engineers (IEEE). The IEEE is the largest professional association for electronics and electrical engineering in the world, and includes 39 technical societies and seven technical councils, representing a wide range of IEEE technical interests. The MTT-S consistently ranks among the largest IEEE societies, usually the fifth or sixth largest in terms of membership, and its prominence underscores not just the size of our discipline, but the significant standing and positive reputation of our community within the IEEE.

Since its inaugural issue in 2022, the IEEE Microwave Theory and Technology Society (MTT-S) has each year published a focus issue on research by women in microwaves in IEEE Microwave Magazine. These focus issues highlight scientific articles by female researchers and spotlight their research. Through these focus issues, we hope to bring attention to these female researchers and their publications. From the perspective of gender science, we aim to undo/redo gender, counteracting the still-existing unconscious gender and publication biases [1], [2].

James Clerk Maxwell’s Treatise on Electricity and Magnetism was published in 1873. Last year, to celebrate the 150th anniversary of the publication of this foundational work, the IEEE Foundation hosted a webinar [2] “James Clerk Maxwell’s Ether: From Wave Optics to the Electromagnetic Theory of Light” by Daniel Jon Mitchell, Senior Historian at the IEEE History Center. The hour-long presentation was recorded and may be viewed at [2]. The website also lists a number of useful resources.