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Optical materials and structures are substances used to manipulate the flow of light. This can include reflecting, absorbing, focusing or splitting an optical beam. The efficiency of a specific material at each task is strongly wavelength dependent, thus a full understanding of the interaction between light and matter is vital.
A single light-emitting dye molecule precisely placed within the tiny gap of a metal nanodimer boosts light–matter coupling — a step closer to the development of quantum devices operating at room temperature.
Lead toxification in society is a public health crisis. The exposure to lead poisoning gives rise to a multitude of health issues. In this work, a chip-scale photonic platform that enables the highly quantitative detection of lead is demonstrated.
Narrowband thermal emitters realized with photonic nanostructures usually suffer from the rainbow effect. Here, the authors demonstrate rainbow-free thermal emissions with high temporal coherence through harnessing flatband high-Q resonances.
The optical detection of magnetic fields is difficult for low field strengths. Here, the authors show how strong magneto-photoluminescence can be achieved in rubrene microcrystals and demonstrate its application in a magnetometer.
A single light-emitting dye molecule precisely placed within the tiny gap of a metal nanodimer boosts light–matter coupling — a step closer to the development of quantum devices operating at room temperature.
Properly maintaining the skin temperature is critical for wound healing, especially outdoors. Now, a lightweight and skin-friendly wound dressing is reported that can continuously cool the skin without energy input.