Optical constants of CDGM - QF (Light flint)
H-QF6A
Wavelength:
µm
(0.340–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.0830014908λ^2}{λ^2-0.0493974056}+\frac{1.22223237λ^2}{λ^2-0.00830688707}+\frac{1.01475439λ^2}{λ^2-114.773547}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -5.28e-06 2.18e-08 -9.29e-11 4.95e-07 4.67e-10 0.262
nd: 1.531720
Vd: 48.839833
glass_code: 532488
density: 2.52 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9.5e-06 K-1
dPgF: 0.0037
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets