Optical constants of OHARA - TIL (Titanate, low-index)
S-TIL26
Wavelength:
µm
(0.35–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.31066488λ^2}{λ^2-0.00968897812}+\frac{0.0941903094λ^2}{λ^2-0.0527763106}+\frac{1.23292644λ^2}{λ^2-133.296422}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: 8.85e-07 1.27e-08 -3.61e-11 5.87e-07 6.12e-10 0.27 nd: 1.567322 Vd: 42.817076 glass_code: 567428 density: 2.57 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 7.9e-06 K-1 - temperature_range: 20 300 °C coefficient: 9e-06 K-1 dPgF: 0.0009 climatic_resistance: 1.0 acid_resistance: 1.0 phosphate_resistance: 1.0
Comments
Recommended - Lightweight
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets