RefractiveIndex.INFO Refractive index database

Shelf

Book

Page

Optical constants of HIKARI - F (Flint)
J-F2

Wavelength: µm
 (0.360 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.55848782-0.0111821288λ^{2}+0.0203054502λ^{-2}+0.00204096825λ^{-4}-0.000437338902λ^{-6}+8.55288881\text{×}10^{-05}λ^{-8}-7.9676939\text{×}10^{-06}λ^{-10}+3.26555576\text{×}10^{-07}λ^{-12}$$

Data

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

Additional information

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
n_d: 1.620040
V_d: 36.396775
density: 2.66 g/cm3
coefficient_of_thermal_expansion_1: 7.3e-06 K-1
ΔP_gF: 0.0045
phosphate_resistance: 1.0

References

1) HIKARI optical glass catalog 2015-04-01
2) HIKARI Zemax catalog

More info - wiki

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

External links

Latest optical glass catalog