Coupling mid-infrared “idler” photons with near-infrared “signal” photons enables cheaper, smaller and more efficient machines for uses such as greenhouse gas monitoring to medical diagnostics.

Nuclear magnetic resonance (NMR) spectroscopy is a technique that detects the chemical environment of atomic nuclei by the absorption of radio-frequency electromagnetic radiation when in the presence ...

Spectrophotometry is a method that measures the amount of light that a sample or object absorbs or reflects as a functional of wavelength using an instrument known as a spectrophotometer. A ...