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 ...

Infrared spectroscopy (IR spectroscopy) is an optical technique that detects molecular bond vibrations and rotations upon absorption of infrared light. Because different chemical functional groups ...

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Abstract: Hollow-core antiresonant fibers (HC-ARFs), attributed to their lower loss, wide transmission bandwidth, and low silica signals, have found widespread utilization in fiber-enhanced Raman ...

Some homebrew spectrometers can get pretty fancy. Of course, there’s more to spectroscopy than just optics.

A monochromator is an optical instrument that permits only a narrow selection of wavelengths to be transmitted from a source, and the particular model [Doug] obtained renders visual light ...