The progress of broadband metasurface absorber: A bibliometric and visualization analysis based on CiteSpace

• This article primarily employs bibliometric statistical methods to study the research progress of broadband metasurface absorbers. Only our team uses this method to analyze broadband metasurface absorbers. • Through analysis, it reveals the research hotspots, interdisciplinary characteristics, and technological evolution paths in the field of broadband metasurface absorbers. The design of broadband absorbers focuses on multi-physical field coupling and dynamic regulation, with the application of new materials emerging as a research hotspot. • Bibliometric analysis provides a quantitative basis for identifying technological gaps and predicting development trends, facilitating the accelerated transformation of this field from laboratory research to practical applications. A broadband metasurface absorber is an artificial structural device capable of efficiently absorbing electromagnetic waves over a wide frequency range. In the terahertz band, it can convert the absorbed electromagnetic wave energy into electrical energy for powering micro-nano devices. In the microwave band, it serves as a core component of stealth materials. This article primarily employs bibliometric statistical methods to study the progress of broadband metasurface absorbers. Through analysis, it reveals the research hotspots, interdisciplinary characteristics, and technological evolution paths in the field of broadband metasurface absorbers. The design of broadband absorbers focuses on multi-physical field coupling and dynamic regulation, with the application of new materials emerging as a research hotspot. Bibliometric analysis provides a quantitative basis for identifying technological gaps and predicting development trends.