Optical constants of CDGM - FK (Fluor crown)
H-FK61
Wavelength:
µm
(0.290 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.21667349-0.00493991656λ^{2}+0.00915004725λ^{-2}-0.00012667557λ^{-4}+2.8243403\text{×}10^{-05}λ^{-6}-1.31517813\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.02e-05 3.72e-09 -1.25e-11 2.98e-07 -1.9e-10 0.228
nd: 1.496998
Vd: 81.594687
glass_code: 497816
glass_status: standard
density: 3.7 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 1.31e-05 K-1
- temperature_range: 20 300 °C
coefficient: 1.57e-05 K-1
dPgF: 0.0286
climatic_resistance: 1.0
References
CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)