Optical constants of HIKARI - LaK (Lanthanum crown)
J-LAK02
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.74008995-0.0120461104λ^{2}-0.000175410927λ^{4}+0.0176614454λ^{-2}+0.00018931729λ^{-4}+1.04494737\text{×}10^{-05}λ^{-6}-1.62215193\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.0652e-06 1.0024e-08 -8.1594e-13 5.1356e-07 4.6991e-10 0.14302
nd: 1.670000
Vd: 57.349561
density: 3.75 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.3e-06 K-1
dPgF: -0.0053
phosphate_resistance: 4.0
References
NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets
Data
INFO
Hikari Glass Co., Ltd.
Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.External links
- Hikari Glass Co., Ltd. (in Japanese)
- Nikon