Optical constants of HOYA - FL (Light flint)
E-FL5
Wavelength:
µm
(0.350–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.4465754-0.010107041λ^{2}+0.017759132λ^{-2}+0.00087970259λ^{-4}-5.7014929\text{×}10^{-05}λ^{-6}+6.0924663\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.75e-06 1.66e-08 -9.67e-11 6.44e-07 4.37e-10 0.264
nd: 1.58144
Vd: 40.89
glass_code: 581409
density: 2.59 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.1e-06 K-1
dPgF: 0.002
climatic_resistance: 1.0
stain_resistance: 1.0
acid_resistance: 1.0
Comments
General glass Type
References
HOYA Zemax catalog 2017-04-01 (obtained from http://www.hoya-opticalworld.com)