RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HIKARI - SF (Dense flint)
E-SF11

Wavelength: µm
 (0.370 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.05654935-0.0143159709λ^{2}+0.0381593027λ^{-2}+0.00315675913λ^{-4}-0.000223523385λ^{-6}+2.90021069\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
nd: 1.784723
Vd: 25.679481
glass_code: 785257
glass_status: preferred
density: 3.22 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 1e-05 K-1
dPgF: 0.0146

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

SF11 optical glass

SF11 is a popular optical glass. Most glass makers produce this or very similar glass under slightly different names.

SF11 and similar glasses produced by different makers

Maker Glass
Schott N-SF11
Hikari E-SF11
Sumita K-SFLD11
CDGM ZF13

Hikari Glass Co., Ltd.

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

External links


Glass

External links