This groundbreaking research opens a new direction for AR display technology. The achromatic metasurface waveguide not only resolves chromatic aberration but also offers multiple advantages ...

France’s foreign minister has warned of a potential military confrontation if a new agreement on Iran’s nuclear programme cannot be reached. Speaking after a high-level meeting on Iran chaired ...

Abstract: The paper presents a wideband 8×8-element slot antenna array operating in the E-band. The proposed design employs a low-loss coaxial waveguide transmission line filled with air implemented ...

Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou 510632, China College of Physics & Optoelectronic ...

France’s interior minister, Bruno Retailleau, was chosen as a sop to the far right — and now he is tightening rules on migrant regularization. Emmanuel Macron’s government is increasingly serving ...

A rectangular pipe of conducting metal called a waveguide directs energy to the cavity. The cavity’s shape has been specifically designed to achieve resonance and the build up in intensity of the ...