Optical constants of OHARA - TIM (Titanate, medium-index)
S-TIM25
Wavelength:
µm
(0.36–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.50659233λ^2}{λ^2-0.0109501562}+\frac{0.204786135λ^2}{λ^2-0.0574980285}+\frac{1.92036668λ^2}{λ^2-178.128535}$$Conditions & Spec sheet
n_absolute: false wavelength_vacuum: false temperature: 25.0 ℃ thermal_dispersion: - type: "Schott formula" coefficients: -3.93e-07 1.2e-08 -3.29e-11 8.13e-07 1.17e-09 0.284 nd: 1.672700 Vd: 32.099206 glass_code: 673321 density: 2.91 g/cm3 thermal_expansion: - temperature_range: -30 70 ℃ coefficient: 7.9e-06 K-1 - temperature_range: 20 300 ℃ coefficient: 9.5e-06 K-1 dPgF: 0.0093 climatic_resistance: 2.0 acid_resistance: 1.0 phosphate_resistance: 1.2
Comments
Recommended - Lightweight
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets