Optical constants of CDGM - TF (Special flint)
H-TF3L
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.35609817λ^2}{λ^2-0.00823370212}+\frac{0.192047799λ^2}{λ^2-0.0410079104}+\frac{1.325836λ^2}{λ^2-111.798686}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 4.34e-06 1.58e-08 -2.17e-11 6.07e-07 6.66e-10 0.227
nd: 1.613400
Vd: 44.107022
glass_code: 613441
glass_status: standard
density: 2.8 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.7e-06 K-1
dPgF: -0.005
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets