Optical constants of CDGM - K (Crown)
H-K51
Wavelength:
µm
(0.310–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.960161808λ^2}{λ^2-116.24248}+\frac{1.18368963λ^2}{λ^2-0.0118029997}+\frac{0.102338243λ^2}{λ^2+0.0189575777}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
- type: "Schott formula"
coefficients: -7.23e-07 1.38e-08 -8.37e-11 5.74e-07 1.43e-09 0.169
nd: 1.523070
Vd: 58.639792
glass_code: 523586
glass_status: standard
density: 2.53 g/cm3
thermal_expansion:
- temperature_range: -30 70 ℃
coefficient: 8e-06 K-1
- temperature_range: 20 300 ℃
coefficient: 9.9e-06 K-1
dPgF: -0.0007
climatic_resistance: 2.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets