Optical constants of HIKARI - LaSK (Lanthanum dense crown)
J-LASKH2
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.01618042-0.0139280117λ^{2}-0.000204284446λ^{4}+0.0227027519λ^{-2}+0.000317846393λ^{-4}+1.01400049\text{×}10^{-05}λ^{-6}+3.63521536\text{×}10^{-08}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.7626e-06 1.1757e-08 -7.6008e-13 5.5794e-07 6.5081e-10 0.17656
nd: 1.755000
Vd: 52.336325
density: 4.29 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.1e-06 K-1
dPgF: -0.009
phosphate_resistance: 2.0
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