Metalenses represent a revolutionary advancement in optical technology. Unlike conventional microscope objectives that rely on curved glass surfaces, metalenses employ nanoscale structures to manipulate light at the subwavelength level. Thanks to their ultrathin, lightweight, and flat architectures, metalenses can overcome the bulkiness of traditional lenses, making them ideal candidates for integration in electronic devices and compact imaging...

Established in 2019, Advanced Photonics publishes innovative research in all areas of optics and photonics, including fundamental and applied research. The Gold Open Access journal is co-published by SPIE, the international society for optics and photonics, and Chinese Laser Press (CLP). Available online in the SPIE Digital Library and at CLP’s Researching site, the journal has an Impact Factor of 20.6 and a CiteScore of 22.7, among the highest for the optics...

In the realm of general relativity, black holes are well-known for their ability to trap light and matter by bending spacetime, creating a point of no return. While black holes have fascinated scientists and the public alike; another concept, the ‘white’ hole, has remained more theoretical. A white hole is thought to be the reverse of a black hole, expelling light and matter rather than absorbing them. Now, a team of researchers has designed a novel optical device with...

Today's super-resolution microscopes have made it possible to observe the nanoscale world with unprecedented detail. However, they require fluorescent tags, which reveal structural details but provide little chemical information about the samples being studied. This drawback has driven the development of vibrational imaging techniques, which can identify molecules based on their unique chemical bonds without altering the sample. These methods detect physical changes in samples when they absorb m