Researchers at the US National Institute of Standards and Technology (NIST) and collaborators have demonstrated a compact frequency-comb apparatus that rapidly measures the entire infrared band of ...

Researchers have demonstrated a compact frequency-comb apparatus that rapidly measures the entire infrared band of light to detect biological, chemical and physical properties of matter. Researchers ...

Wet comb: NIST’s tabletop frequency comb being used to identify water molecules in air. The yellow squiggle at the top of the screen is the electric field of mid-infrared laser light that has passed ...

In a new study published in Science, researchers have developed a new method for detecting infrared light by changing its frequency to a corresponding frequency in the range of visible light.

Researchers are exploring the possibility of using an infrared frequency comb to generate elusive terahertz frequencies. These frequencies -- which lie in the electromagnetic spectrum between radio ...

From left to right: Schematic of the nonlinear optical mirror used for up-conversion imaging. Energy diagram showing the sum frequency generation process used for up-conversion. Representative ...

Upconversion: An artist's view of the nanoparticle-in-groove plasmonic cavities created by the EPFL team. (Courtesy: Nicolas Antille, http://www.nicolasantille.com) A ...

Researchers at the Harvard School of Engineering and Applied Sciences have developed a method to wirelessly transmit radio frequency via a semiconductor laser. The breakthrough, published in ...

Researchers at the National Institute of Standards and Technology (NIST) and collaborators have demonstrated a compact frequency-comb apparatus that rapidly measures the entire infrared band of light ...