Optical constants of OHARA - FPL (Fluorophosphate, low-index)
S-FPL51
Wavelength:
µm
(0.28–2.4)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.17010505λ^2}{λ^2-0.00616203924}+\frac{0.0475710783λ^2}{λ^2-0.0263372876}+\frac{0.763832445λ^2}{λ^2-141.882642}$$Conditions & Spec sheet
n_is_absolute: false wavelength_is_vacuum: false temperature: 25.0 °C thermal_dispersion: - type: "Schott formula" coefficients: -1.91e-05 -4.44e-09 -4.62e-11 3.74e-07 4.39e-10 0.163 nd: 1.496999 Vd: 81.545888 glass_code: 497816 density: 3.62 g/cm3 thermal_expansion: - temperature_range: -30 70 °C coefficient: 1.31e-05 K-1 - temperature_range: 20 300 °C coefficient: 1.55e-05 K-1 dPgF: 0.028 climatic_resistance: 1.0 acid_resistance: 52.1 phosphate_resistance: 4.0
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