RefractiveIndex.INFO

Refractive index database


Shelf

Book

Page

Optix.eXpert

Optix.eXpert is our new website that aims at connecting optical professionals with employers looking to outsource optics related work. Sign up and post a listing now to start offering a service.

Optical constants of HIKARI - SF (Dense flint)
J-SF5

Wavelength: µm
 (0.360 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.71072072-0.0102160186λ^{2}-9.06763794\text{×}10^{-05}λ^{4}+0.0288337808λ^{-2}+0.000557561753λ^{-4}+0.000133564048λ^{-6}-1.34358407\text{×}10^{-05}λ^{-8}+1.19202152\text{×}10^{-06}λ^{-10}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.766e-06 8.9538e-09 -1.4265e-12 8.5854e-07 1.2783e-09 0.27473
nd: 1.672700
Vd: 32.185454
density: 2.9 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.5e-06 K-1
dPgF: 0.0069
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

SF5 optical glass

SF5 is a popular optical glass. Most glass makers produce this or very similar glass under slightly different names.

SF5 and similar glasses produced by different makers

Maker Glass
Schott N-SF5
Hikari E-SF5
HOYA E-FD5
Sumita K-SFLD5
CDGM ZF2

Hikari Glass Co., Ltd.

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

External links


Glass

External links