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Optical constants of SCHOTT - SF (Dense flint)
SFL57
Wavelength:
µm
(0.39 – 2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.88742326λ^2}{λ^2-0.0145939341}+\frac{0.360534025λ^2}{λ^2-0.0648198946}+\frac{2.26189313λ^2}{λ^2-176.062211}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.63e-06 8.61e-09 -9.98e-12 1.1e-06 1.69e-09 0.293
nd: 1.84666
Vd: 23.62
glass_code: 847236.355
glass_status: special
density: 3.55 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.7e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1e-05 K-1
dPgF: 0.0177
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.3
alkali_resistance: 1.0
phosphate_resistance: 1.3
Comments
inquiry glass
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets