Refractive index database

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Optical constants of D2 (Deuterium)
Weber: n 0.230–0.579 µm

Wavelength: µm

Complex refractive index (n+ik)[ i ]

n   k   LogX   LogY   eV

Derived optical constants

Conditions & Spec sheet

n_is_absolute: true
temperature: 0 °C


0 °C


Handbook of Optical Materials, Marvin J. Weber. CRC Press 2003 [link]
*Original source of data is unknown: "Handbook..." cites a paper that doesn't include any information on optical constants of Deuterium.


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Deuterium, D2

Deuterium (D2) is an isotope of hydrogen consisting of a nucleus with one proton and one neutron, double the mass of ordinary hydrogen. It is commonly used in nuclear fusion research and as a tracer in chemical studies. In optics, deuterium lamps are often used as ultraviolet light sources due to their continuous spectrum that extends down to shorter wavelengths compared to ordinary hydrogen. These lamps are commonly used in ultraviolet-visible spectroscopy and other applications requiring a stable, broad-spectrum UV light source. Deuterium gas itself is transparent to a broad range of wavelengths, making it suitable for use in optical cells for spectroscopic studies that require isotopic sensitivity.

Other name

  • H-2

External links