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Optical constants of OHARA - TIM (Titanate, medium-index)
S-TIM39
Wavelength:
µm
(0.36 – 2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.47008105λ^2}{λ^2-0.0102900432}+\frac{0.224752746λ^2}{λ^2-0.0541276904}+\frac{2.44968592λ^2}{λ^2-237.43494}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 25.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.24e-06 1.21e-08 -4.81e-11 6.82e-07 7.42e-10 0.299
nd: 1.666800
Vd: 33.054985
glass_code: 667330
density: 2.92 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.7e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.04e-05 K-1
dPgF: 0.0077
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