Optical constants of CDGM - QF (Light flint)
H-QF1
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.24414177λ^2}{λ^2-0.00867592204}+\frac{1.08792977λ^2}{λ^2-124.77088}+\frac{0.106583226λ^2}{λ^2-0.0473895753}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.37e-06 1.32e-08 -5.38e-11 6.46e-07 6.5e-10 0.251
nd: 1.548140
Vd: 45.820011
glass_code: 548458
density: 2.58 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 9.3e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 1.1e-05 K-1
dPgF: 0.0012
climatic_resistance: 2.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets