RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

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

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

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
λ_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
n_d: 1.672700
V_d: 32.185454
density: 2.9 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.5e-06 K-1
ΔP_gF: 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