Optical constants of CDGM - ZPK (Dense phosphate crown)
H-ZPK1A
Wavelength:
µm
(0.300–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.944049498λ^2}{λ^2-109.035762}+\frac{1.05017122λ^2}{λ^2-0.0132903754}+\frac{0.527568709λ^2}{λ^2-0.000741462968}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.09e-05 1.14e-08 -4.44e-11 4.52e-07 3.49e-10 0.159
nd: 1.618000
Vd: 63.392702
glass_code: 618634
glass_status: standard
density: 3.61 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.14e-05 K-1
dPgF: 0.0054
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets