Optical constants of CDGM - QF (Light flint)
H-QF14
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.17413204λ^2}{λ^2-119.558629}+\frac{1.36038248λ^2}{λ^2-0.00992935549}+\frac{0.125239591λ^2}{λ^2-0.0538484281}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.81e-07 1.63e-08 -1.07e-11 6.25e-07 4.08e-10 0.282
nd: 1.595510
Vd: 39.222748
glass_code: 596392
density: 2.62 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.2e-06 K-1
dPgF: 0.0021
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets