RefractiveIndex.INFO Refractive index database

Shelf

Book

Page

Optical constants of HIKARI - SF (Dense flint)
J-SF4

Wavelength: µm
 (0.365 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.96384442-0.0122384397λ^{2}+0.0357090539λ^{-2}+0.00272484712λ^{-4}-0.000437315556λ^{-6}+0.000103210102λ^{-8}-1.04209554\text{×}10^{-05}λ^{-10}+5.02488681\text{×}10^{-07}λ^{-12}$$

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: 1.755200
V_d: 27.571110
density: 3.22 g/cm3
coefficient_of_thermal_expansion_1: 8.4e-06 K-1
ΔP_gF: 0.0112
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