Optical constants of HIKARI - LaK (Lanthanum crown)
J-LAK14
Wavelength:
µm
(0.290–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.8267987-0.0140346783λ^{2}-0.000170936348λ^{4}+0.0189011366λ^{-2}+0.00027593367λ^{-4}+5.15919094\text{×}10^{-06}λ^{-6}+9.87059817\text{×}10^{-08}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.9256e-06 1.1453e-08 -1.3417e-12 5.0269e-07 4.3535e-10 0.16504
nd: 1.696800
Vd: 55.520369
density: 3.63 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.6e-06 K-1
dPgF: -0.0082
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