期刊
Advanced Materials
标题
Direct Light Orbital Angular Momentum Detection in Mid-Infrared Based on the Type-II Weyl Semimetal TaIrTe4
作者
Jiawei Lai, Junchao Ma, Zipu Fan, Xiaoming Song, Peng Yu, Zheng Liu, Pei Zhang, Yi Shi, Jinluo Cheng, Dong Sun
摘要
Photodetectors
A photodetector based on the type-II Weyl semimetal TaIrTe4 is designed by Dong Sun and co-workers in article number 2201229 to directly detect the orbital angular momentum (OAM) order of the vertex beam in the mid-infrared wavelength. The helical phase gradient of light can be distinguished by a current whose magnitude is proportional to the OAM mode number. This detector can be integrated into a focal plane array that can resolve multiple optical parameters of a target.
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