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Optical constants of HIKARI - LaK (Lanthanum crown)
E-LAK01

Wavelength: µm
 (0.300 – 0.7)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.64816555-0.0139955727λ^{2}+0.0152775593λ^{-2}+0.000227366594λ^{-4}+4.86219531\text{×}10^{-06}λ^{-6}-2.33276501\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
n_d: 1.639999
V_d: 60.087359
glass_code: 640601
glass_status: preferred
density: 3.01 g/cm3
coefficient_of_thermal_expansion_1: 7.7e-06 K-1
ΔP_gF: -0.0059

References

NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

Hikari Glass Co., Ltd.

Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.

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