Optical constants of OHARA - FTL
S-FTL10
Wavelength:
µm
(0.33–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.10542993λ^2}{λ^2-0.00669004168}+\frac{0.116184325λ^2}{λ^2-0.0360840691}+\frac{1.15396111λ^2}{λ^2-137.546485}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -6.27e-06 1.69e-08 -3.74e-11 4.3e-07 4.02e-10 0.238 nd: 1.501372 Vd: 56.421009 glass_code: 501564 glass_status: special density: 2.46 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.8e-06 K-1 - temperature_range: 20 300 °C coefficient: 9.9e-06 K-1 dPgF: 0.0031 climatic_resistance: 1.0 acid_resistance: 1.0 phosphate_resistance: 1.0
Comments
Recommended
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets