Optical constants of SCHOTT - SK (Dense crown)
N-SK2HT
Wavelength:
µm
(0.31–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.28189012λ^2}{λ^2-0.0072719164}+\frac{0.257738258λ^2}{λ^2-0.0242823527}+\frac{0.96818604λ^2}{λ^2-110.377773}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.8e-06 1.41e-08 2.28e-11 6.44e-07 8.03e-11 0.108
nd: 1.60738
Vd: 56.65
glass_code: 607567.355
glass_status: standard
density: 3.55 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.1e-06 K-1
dPgF: -0.0008
climatic_resistance: 2.0
stain_resistance: 0.0
acid_resistance: 2.2
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