RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HIKARI - BaSF (Barium dense flint)
J-BASF2

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.69527127-0.0109541476λ^{2}+0.0234490053λ^{-2}+0.0019016356λ^{-4}-0.000368276327λ^{-6}+7.49770823\text{×}10^{-05}λ^{-8}-7.0943249\text{×}10^{-06}λ^{-10}+3.01058679\text{×}10^{-07}λ^{-12}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.6152e-06 1.1055e-08 -2.485e-12 7.8656e-07 1.133e-09 0.26477
nd: 1.664460
Vd: 35.870305
density: 3.08 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.4e-06 K-1
dPgF: 0.0048
phosphate_resistance: 1.0

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