(a-d) 傳統雙零折射率超材料與旋磁雙零折射率超材料對比,以及 (e) 利用旋磁雙零超材料產生時空光渦旋。 (IMAGE) Hong Kong University of Science and Technology Caption (a-d) 傳統雙零折射率超材料與旋磁雙零折射率超材料對比,以及 (e) 利用旋磁雙零超材料產生時空光渦旋。 Credit HKUST Usage Restrictions For news and media License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.