Absorption Band - Absorption Bands of Interest To The Atmospheric Physicist

Absorption Bands of Interest To The Atmospheric Physicist

In oxygen:

  • the Hopfield bands, very strong, between about 67 and 100 nanometres in the ultraviolet (named after John J. Hopfield);
  • a diffuse system between 101.9 and 130 nanometres;
  • the Schumann-Runge continuum, very strong, between 135 and 176 nanometres;
  • the Schumann-Runge bands between 176 and 192.6 nanometres (named for Victor Schumann and Carl Runge);
  • the Herzberg bands between 240 and 260 nanometres (named after Gerhard Herzberg);
  • the atmospheric bands between 538 and 771 nanometres in the visible spectrum; and
  • a system in the infrared at about 1000 nanometres.

In ozone:

  • the Hartley bands between 200 and 300 nanometres in the ultraviolet, with a very intense maximum absorption at 255 nanometres (named after Walter Noel Hartley);
  • the Huggins bands, weak absorption between 320 and 360 nanometres (named after Sir William Huggins);
  • the Chappuis bands (sometimes misspelled "Chappius"), a weak diffuse system between 375 and 650 nanometres in the visible spectrum (named after J. Chappuis); and
  • the Wulf bands in the infrared beyond 700 nm, centered at 4,700, 9,600 and 14,100 nanometres, the latter being the most intense (named after Oliver R. Wulf).

In nitrogen:

  • The Lyman-Birge-Hopfield bands, sometimes known as the Birge-Hopfield bands, in the far ultraviolet: 140– 170 nm (named after Theodore Lyman, Raymond T. Birge, and John J. Hopfield)

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