Abstract: Sapphire fiber Bragg grating (SFBG) is a potential high-temperature sensor, which can withstand 1900 °C. However, the broadband reflection spectrum of SFBG results from the multimode ...
Abstract: Terahertz (THz) wave technology has garnered significance in various cutting-edge applications in recent years, including 6G communications, high-resolution imaging, and non-destructive ...