Optical constants of CDGM - ZF (Dense flint)
H-ZF7LA
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{1.65846092λ^2}{λ^2-144.874699}+\frac{0.298796445λ^2}{λ^2-0.0635424599}+\frac{1.8184834λ^2}{λ^2-0.0141908346}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -7.91e-06 1.24e-08 -3.12e-11 1.09e-06 1.48e-09 0.281
nd: 1.805180
Vd: 25.456256
glass_code: 805255
glass_status: standard
density: 3.35 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.13e-05 K-1
dPgF: 0.0127
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets