Optical constants of HIKARI - LaK (Lanthanum crown)
Q-LAK13S
Wavelength:
µm
(0.280 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.82409056-0.0116215301λ^{2}-0.000136188911λ^{4}+0.0199712048λ^{-2}+0.000284067118λ^{-4}+7.76179707\text{×}10^{-06}λ^{-6}+6.22423374\text{×}10^{-08}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false λ_is_vacuum: false temperature: 23.0 °C coefficients_of_thermal_dispersion: 2.4813e-06 1.5502e-08 -1.8528e-12 8.5107e-07 7.0734e-10 0.17132 n_d: 1.697200 V_d: 53.288704 glass_status: preferred density: 3.74 g/cm3 coefficient_of_thermal_expansion_1: 7.1e-06 K-1 ΔP_gF: -0.0067 phosphate_resistance: 4.0
Comments
For mold lens
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