Femtosecond laser pulses are used to modulate the thermal emission from semiconductor materials at the nanosecond timescale.A visible-frequency laser photoexcit
Total inteal reflection occurs when light is incident on the interface of high-and low-refractive-index materials at an angle greater than the critical angle.Su
Topological photonics have provided new insights for the manipulation of light.Analogous to electrons in topological insulators,photons travelling through the s
Photoacoustic microscopy (PAM) has become a premier microscopy tool that can provide the anatomical,functional,and molecular information of animals and humans i
Scientists are known as the idea explorers,technology inventors and visionaries for the great benefits of our end-users and society.They are optimistic,realisti
Hiding an arbitrary object with a cloak at a distance from an object is of great significance in scientific research,but remains unrealized as a practical devic