Optical constants of CDGM - ZPK (Dense phosphate crown)
H-ZPK3
Wavelength:
µm
(0.302–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.814545367λ^2}{λ^2-0.00353645413}+\frac{1.105589λ^2}{λ^2-111.251357}+\frac{0.690102416λ^2}{λ^2-0.0141865271}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -8.45e-06 1e-08 -1.93e-11 3.72e-07 2.45e-10 0.181
nd: 1.593490
Vd: 67.285372
glass_code: 593673
density: 3.36 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.15e-05 K-1
dPgF: 0.0057
climatic_resistance: 3.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets