Optical constants of SCHOTT - K (Crown)
K7
Wavelength:
µm
(0.31–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.1273555λ^2}{λ^2-0.00720341707}+\frac{0.124412303λ^2}{λ^2-0.0269835916}+\frac{0.827100531λ^2}{λ^2-100.384588}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 20.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -1.67e-06 8.8e-09 -2.86e-11 5.42e-07 7.81e-10 0.172 nd: 1.51112 Vd: 60.41 glass_code: 511604.253 glass_status: standard density: 2.53 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.4e-06 K-1 - temperature_range: 20 300 °C coefficient: 9.7e-06 K-1 climatic_resistance: 3.0 stain_resistance: 0.0 acid_resistance: 2.0 alkali_resistance: 1.0 phosphate_resistance: 2.3
Comments
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets