
Physics
Ultra-narrowband and rainbow-free mid-infrared thermal emitters enabled by a flat band design in distorted photonic lattices
K. Sun, Y. Cai, et al.
Discover a groundbreaking flat band design that enables thermal emissions with exceptional temporal coherence while overcoming the notorious rainbow effect found in conventional narrowband thermal emitters. This innovative approach, demonstrated by Kaili Sun, Yangjian Cai, Lujun Huang, and Zhanghua Han, introduces geometric perturbations within a high-index disk lattice, achieving impressive results.
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