Optical constants of OHARA - TIM (Titanate, medium-index)
S-TIM27
Wavelength:
µm
(0.36–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.4168047λ^2}{λ^2-0.0100732158}+\frac{0.196785057λ^2}{λ^2-0.0537616908}+\frac{1.68001322λ^2}{λ^2-164.672436}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: -1.02e-06 1.14e-08 -3.41e-11 7.97e-07 1.01e-09 0.269 nd: 1.639799 Vd: 34.466422 glass_code: 640345 density: 2.76 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 8e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 9.9e-06 K-1 dPgF: 0.0065 climatic_resistance: 2.0 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