Polarization-controlled optical holography using flat optics

• 作者: Arka Majumdar Shane Colburn
• 来源期刊: 光：科学与应用（英文版）
• 年，卷（期）: 2020,（5）
• 所属期刊栏目: News and Views
• 页码范围: 1293-1294
• 页数: 2页
• 语种: 英文

摘要

Due to the large number of degrees of freedom offered by nanoscale scatterers, a single flat optic can project different images at different distances depending on the polarization of the light, opening up opportunities for optical encryption and augmented reality systems.