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Refractive index database

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Optical constants of SiO2 (Silicon dioxide, Silica, Quartz)
Ghosh 1999: α-Quartz, n(o) 0.198-2.0531 µm

Wavelength: µm
 (0.198 – 2.0531)  
 

Derived optical constants

logX   logY   eV

Dispersion formula [ i ]

$$n^2-1=0.28604141+\frac{1.07044083λ^2}{λ^2-1.00585997\text{×}10^{-2}}+\frac{1.10202242λ^2}{λ^2-100}$$

Comments

Ordinary ray (o). Room temperature.

References

G. Ghosh. Dispersion-equation coefficients for the refractive index and birefringence of calcite and quartz crystals, Opt. Commun. 163, 95-102 (1999)

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

Silicon dioxide, SiO2

Other names

  • Quartz
  • Silica
  • Silicon oxide
  • Silicon(IV) dioxide

Polymorphs

  • Alpha quartz (α-quartz, most common)
  • Beta quartz (β-quartz, only stable at temperatures above 573 °C)
  • Tridymite
  • Cristobalite
  • Coesite
  • Stishovite
  • Lechatelierite
  • Chalcedony

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