wave number, v


ECSS-Q-ST-70-05C Rev.1


number of waves per unit length


  • NOTE 1 The unit for wave number is cm-1. In terms of this unit, the wave number is the reciprocal of the wavelength, l ( where l is expressed in cm).
  • NOTE 2 The wave number is normally used as the X-axis unit of an IR spectrum. [adapted from ASTM-E-131]
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