Optical constants of SCHOTT - SF (Dense flint)
N-SF64
Wavelength:
µm
(0.37–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.59163762λ^2}{λ^2-0.0118623434}+\frac{0.219908428λ^2}{λ^2-0.0594585499}+\frac{1.46929315λ^2}{λ^2-133.310762}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.06e-06 9.78e-09 -1.67e-11 8.67e-07 1.23e-09 0.279
nd: 1.70591
Vd: 30.23
glass_code: 706302.299
glass_status: special
density: 2.989 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.48e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.78e-06 K-1
dPgF: 0.0099
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.2
phosphate_resistance: 1.0
Comments
inquiry glass
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets