RefractiveIndex.INFO

Refractive index database


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Optical constants of Fused silica (fused quartz)
Malitson 1965: n 0.21-3.71 µm

Wavelength: µm
 (0.21 – 6.7)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.6961663λ^2}{λ^2-0.0684043^2}+\frac{0.4079426λ^2}{λ^2-0.1162414^2}+\frac{0.8974794λ^2}{λ^2-9.896161^2}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20 °C

Comments

Fused silica, 20 °C

References

1) I. H. Malitson. Interspecimen comparison of the refractive index of fused silica, J. Opt. Soc. Am. 55, 1205-1208 (1965)
2) C. Z. Tan. Determination of refractive index of silica glass for infrared wavelengths by IR spectroscopy, J. Non-Cryst. Solids 223, 158-163 (1998)
* Sellmeier formula is reported in Ref. 1 for the 0.21-3.71 μm wavelength range. Ref. 2 verifies the validity of the formula up to 6.7 μm.

Data

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

INFO

Fused silica

Fused silica (or fused quartz, or quartz glass) is a type of glass containing primarily silica (SiO2) in amorphous (non-crystalline) form.

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Glass

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