Optical constants of CDGM - QF (Light flint)
QF50GTI
Wavelength:
µm
(0.313–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.31145759λ^2}{λ^2-0.00988576985}+\frac{0.840047425λ^2}{λ^2-102.880258}+\frac{0.132407269λ^2}{λ^2-0.047752793}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.74e-06 1.64e-08 -5.12e-11 8.26e-07 4.87e-10 0.234
nd: 1.581440
Vd: 40.885954
glass_code: 581409
density: 3.23 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.11e-05 K-1
dPgF: -0.0018
climatic_resistance: 2.0
Comments
i line glass
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets