RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HIKARI - FK (Fluor crown)
J-FK5

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.18826855-0.00919044724λ^{2}-0.000111621071λ^{4}+0.00926372815λ^{-2}+7.34900733\text{×}10^{-05}λ^{-4}+4.19724242\text{×}10^{-06}λ^{-6}-1.15412203\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
coefficients_of_thermal_dispersion: -8.084e-06 1.807e-08 -1.837e-12 3.752e-07 3.016e-10 0.1691
n_d: 1.487490
V_d: 70.318793
density: 2.45 g/cm3
coefficient_of_thermal_expansion_1: 8.9e-06 K-1
ΔP_gF: 0.0027
phosphate_resistance: 3.0

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.

External links


Glass

External links