Raman spectroscopy is a spectroscopic technique used to observe vibrational, rotational, and other low-frequency modes in a system. It relies on inelastic scattering, or Raman scattering, of monochromatic light, usually from a laser in the visible, near infrared, or near ultraviolet range. As one of the most important device for material composition determination and confirmation, Raman spectroscopy plays a valuable role in many industries. Due to its manufacturing and application characteristics, benchtop Raman spectroscopy is much expensive and most for academic purpose, and handheld/portable products is much cheaper and has more market share.
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