Terahertz (THz) emission spectroscopy has emerged as a valuable technique for investigating static physical properties as well as ultrafast dynamics occurring in novel material systems that may remain hidden to other probes.
Vortices of light, null regions of intensity surrounded by spiral phases, make up the skeleton of a wavefield and influence the properties of light. Since the discovery of the tight connection of optical vortices and orbital ...
Holograms are often displayed in science fiction as colorful, life-sized projections. But what seems like the technology of the future is actually the technology of the present, and now it has been used to recreate the Mona ...
Metalenses, comprising one of the most prominent applications of metasurfaces, demonstrate promising abilities to replace traditional lenses. By manipulating the phase distribution of metalenses composed of appropriately ...
Near-Infrared (NIR) vision detectors and cameras play an essential role in today's high-tech tools for imaging, sensing and display technologies. Goggle- or binocular-based NIR cameras are particularly important for night ...
The quality factor (Q) is a critical parameter that characterizes the strength of light-matter interactions. Cavities with higher quality factors have the ability to efficiently confine light and thus enhance light-matter ...
Natural and artificial crystals can change the spectral color of light, which is known as the nonlinear optical effect. Color conversion is used for numerous applications, including nonlinear microscopy for biological structures ...
In everyday life we experience light in one of its simplest forms—optical rays or beams. However, light can exist in much more exotic forms. Thus, even beams can be shaped to take the form of spirals; so-called vortex beams, ...
Mid-wavelength infrared (MWIR) as one of the most important transparent atmosphere windows is less sensitive to interference from the background emission of the sun, providing a high-transmission zone for the finger-print ...
An optical spectrometer is an instrument used to measure properties of light over a specific portion of the light spectrum. These devices have found a wide range of practical applications. Dispersive optical elements (e.g., ...
