Optical constants of SCHOTT - SF (Dense flint)
SF4
Wavelength:
µm
(0.365–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.61957826λ^2}{λ^2-0.0125502104}+\frac{0.339493189λ^2}{λ^2-0.0544559822}+\frac{1.02566931λ^2}{λ^2-117.652222}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 5.6e-06 1.7e-08 -5.27e-11 1.54e-06 1.46e-09 0.266
nd: 1.7552
Vd: 27.58
glass_code: 755276.479
glass_status: standard
density: 4.79 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.9e-06 K-1
dPgF: 0.0062
climatic_resistance: 1.0
stain_resistance: 2.0
acid_resistance: 4.3
alkali_resistance: 2.3
phosphate_resistance: 3.3
Comments
lead containing glass type
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets