Optical constants of SCHOTT - SF (Dense flint)
SF14
Wavelength:
µm
(0.39–2.5)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.69182538λ^2}{λ^2-0.0133151542}+\frac{0.285919934λ^2}{λ^2-0.0612647445}+\frac{1.12595145λ^2}{λ^2-118.405242}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 8.85e-06 1.81e-08 -4.12e-11 1.39e-06 1.53e-09 0.279
nd: 1.76182
Vd: 26.53
glass_code: 762265.454
glass_status: preferred
density: 4.54 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.4e-06 K-1
dPgF: 0.0134
climatic_resistance: 1.0
stain_resistance: 0.0
acid_resistance: 1.0
alkali_resistance: 1.2
phosphate_resistance: 1.0
Comments
was replaced by N-SF14
References
SCHOTT Zemax catalog 2017-01-20b (obtained from http://www.schott.com)
See also SCHOTT glass data sheets