Optical constants of CDGM - K (Crown)
H-K7
Wavelength:
µm
(0.290–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.854802452λ^2}{λ^2-103.20426}+\frac{0.442226826λ^2}{λ^2-0.0179643059}+\frac{0.820484068λ^2}{λ^2-0.00433831623}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -3.47e-06 1.04e-08 -1.23e-11 5.23e-07 2.98e-10 0.19
nd: 1.514780
Vd: 60.634896
glass_code: 515606
density: 2.54 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1e-05 K-1
dPgF: 0.0001
climatic_resistance: 2.0
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets