Optical constants of CDGM - K (Crown)
H-K11
Wavelength:
µm
(0.290–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.795536936λ^2}{λ^2-0.00400873219}+\frac{0.500949252λ^2}{λ^2-0.0175436655}+\frac{0.905052235λ^2}{λ^2-111.287063}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -5.26e-06 1.82e-08 -8.49e-11 5.16e-07 1.16e-09 0.136
nd: 1.526380
Vd: 60.157370
glass_code: 526602
density: 2.69 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.4e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.1e-05 K-1
dPgF: 0.0005
climatic_resistance: 3.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets