Optical constants of CDGM - ZK (Dense crown)
H-ZK11
Wavelength:
µm
(0.313–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.053461546λ^2}{λ^2-0.0456429986}+\frac{1.5837823λ^2}{λ^2-0.00912260162}+\frac{0.918196297λ^2}{λ^2-89.3234474}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.64e-06 1.58e-08 -3.17e-11 4.74e-07 3.85e-10 0.203
nd: 1.638540
Vd: 55.446553
glass_code: 639555
glass_status: standard
density: 3.69 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.2e-06 K-1
dPgF: -0.0013
climatic_resistance: 3.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets