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## Optical constants of OHARA - TIH (Titanate, high-index)

S-TIH14

Wavelength:
µm

(0.37 – 2.4)

### Complex refractive index (*n+ik)*

n
k
LogX
LogY
eV

### Derived optical constants

### Dispersion formula

$$n^2-1=\frac{1.68915108λ^2}{λ^2-0.0128202514}+\frac{0.290462024λ^2}{λ^2-0.0618090841}+\frac{2.37971516λ^2}{λ^2-201.094352}$$### Conditions & Spec sheet

n_absolute: false wavelength_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -2.83e-06 1.27e-08 -3.36e-11 8.35e-07 1.16e-09 0.31 nd: 1.761821 Vd: 26.517885 glass_code: 762265 density: 3.17 g/cm^{3}thermal_expansion: - temperature_range: -30 70 °C coefficient: 8.7e-06 K^{-1}- temperature_range: 20 300 °C coefficient: 1e-05 K^{-1}dPgF: 0.015 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