RefractiveIndex.INFO

Refractive index database


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Optical constants of SiO2 (Silicon dioxide, Silica, Quartz)
Radhakrishnan 1951: α-Quartz; n(e) 0.18-3 µm

Wavelength: µm
 (0.18 – 3)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.665721λ^2}{λ^2-0.060^2}+\frac{0.503511λ^2}{λ^2-0.106^2}+\frac{0.214792λ^2}{λ^2-0.119^2}+\frac{0.539173λ^2}{λ^2-8.792^2}+\frac{1.807613λ^2}{λ^2-19.70^2}$$

Comments

18 °C

References

1) T. Radhakrishnan. Further Studies on the Temperature Variation of the Refractive Index of Crystals, Proc. Indian Acad. Sci. 31, 22-34 (1951)
2) T. Radhakrishnan. The dispersion, briefringence and optical activity of quartz, Proc. Indian Acad. Sci. 25, 260-265 (1947)

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

External links