Optical constants of OHARA - FPL (Fluorophosphate, low-index)
S-FPL53
Wavelength:
µm
(0.28–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.983532327λ^2}{λ^2-0.00492234955}+\frac{0.069568814λ^2}{λ^2-0.0193581091}+\frac{1.11409238λ^2}{λ^2-264.275294}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -2.22e-05 -1.06e-08 -4.91e-11 2.77e-07 3.92e-10 0.206 nd: 1.438750 Vd: 94.946025 glass_code: 439950 density: 3.62 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 1.45e-05 K-1 - temperature_range: 20 300 °C coefficient: 1.69e-05 K-1 dPgF: 0.0461 climatic_resistance: 3.0 acid_resistance: 52.3 phosphate_resistance: 4.3
Comments
Recommended -The unique relative partial dispersion.
References
OHARA Zemax catalog 2017-11-30 (obtained from http://www.ohara-inc.co.jp)
See also OHARA glass data sheets