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Optical constants of HIKARI - SF (Dense flint)
SF8

Wavelength: µm
 (0.340 – 0.7)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.798858-0.03718093λ^{2}+0.007630191λ^{-2}+0.007231691λ^{-4}-0.0008073847λ^{-6}+4.696667\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.688930
Vd: 31.144745
glass_code: 689311
glass_status: preferred
density: 4.22 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.3e-06 K-1
dPgF: 0.0015

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.

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