Optical constants of CDGM - TF (Special flint)
H-TF5
Wavelength:
µm
(0.313–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.55856807λ^2}{λ^2-0.0110562787}+\frac{0.109731968λ^2}{λ^2-0.054404745}+\frac{1.10774896λ^2}{λ^2-88.3222356}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.61e-06 1.46e-08 -3.13e-11 6.67e-07 7.58e-10 0.241
nd: 1.654100
Vd: 39.539424
glass_code: 654395
density: 3.01 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.4e-06 K-1
dPgF: -0.0059
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets