Optical constants of CDGM - ZPK (Dense phosphate crown)
H-ZPK2A
Wavelength:
µm
(0.310–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.53073192-0.0083442991λ^{2}+0.0146551845λ^{-2}-0.000216647389λ^{-4}+5.35525389\text{×}10^{-05}λ^{-6}-2.46158263\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.2e-05 1.48e-08 -5.44e-11 4.3e-07 -2.49e-10 0.158
nd: 1.603001
Vd: 65.459620
glass_code: 603655
density: 3.5 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.3e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.15e-05 K-1
dPgF: 0.0065
climatic_resistance: 1.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets