Optical constants of CDGM - QF (Light flint)
H-QF50A
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.113568363λ^2}{λ^2-0.0529496322}+\frac{1.07619407λ^2}{λ^2-114.277366}+\frac{1.33131033λ^2}{λ^2-0.00976687365}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.15e-06 1.62e-08 -5.36e-11 7.72e-07 8.65e-10 0.235
nd: 1.581440
Vd: 40.746424
glass_code: 581408
density: 2.61 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.04e-05 K-1
dPgF: 0.0014
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets