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Optical constants of HIKARI - SF (Dense flint)
SF12

Wavelength: µm
 (0.350 – 0.7)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.620359+0.002381459λ^{2}+0.03560544λ^{-2}-0.001773085λ^{-4}+0.0003452771λ^{-6}-1.282207\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.648311
Vd: 33.769773
glass_code: 648338
glass_status: preferred
density: 3.73 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.5e-06 K-1
dPgF: 0.002

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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