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OSA | Living History

Spectroscopy maps the unique spectral signatures of materials.



Spectroscopy is a versatile tool used in a range of fields from astronomy to remote sensing of the Earth.

Analyzing the unique color spectrum of materials, spectroscopy is an important tool for fields such as chemistry, physics and astronomy. Lasers have increased spectroscopy’s precision and provided new methods for analysis. (Photo: USGS Spectroscopy Lab)

(Courtesy of USGS Spectroscopy Lab)