近日,华中科技大学光学与电子信息学院易飞课题组在光电子领域的旗舰学术会议美国激光与光电子会议(CLEO 2022)上以“Lightweight Long-Wave Infrared Camera via a Single 5-Centimeter-Aperture Metalens (FM4F.4)”为题,报道了用于测温和气体检测的长波红外超透镜相机。CLEO会议被公认为光电子领域全球规格最 ...
超材料,是一类人工复合结构或复合材料,因其具有天然材料所不具备的超常物理性质而得名。超材料概念的提出源于电磁学领域,最早可追溯到 19世纪末和20世 纪初。当时的科学家如Jagadish Chanadra Bose, Karl Ferdinand Lindman试图制备可任意控制电磁波的材料。二战前后,随着天线理论和微波工程的快速发展,人造 ...
Antenna , according to Wikipedia , is a device which transmit or receive radio waves, or more generally speaking, electromagnetic wave. For example, in wireless communication systems,antennas are used to transmit and receive radiowave or microwave signals. In our ...