New device simplifies optical imaging and sensing

https://www.eurekalert.org/news-releases/1082252

"polarization, enhancing imaging contrast/ resolution, on-chip relies on complex 4-pixel arrays or external polarizers, have limited spectral response, difficulty detecting linear polarization angle/ degree, overcome using wide-spectrum, high-precision polarization detection, torsion unipolar barrier heterojunction device...  2D PdSe₂ dual absorption layer while fine-tuning intermediate MoS₂ barrier layer energy band... enables bias-programmable control over carrier transport paths, leading to groundbreaking performance"