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Optical constants of HIKARI - LLF (Very light flint)
J-LLF6

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.30465477-0.00842372028λ^{2}-8.53219261\text{×}10^{-05}λ^{4}+0.0143763145λ^{-2}+0.000330848944λ^{-4}-4.10026783\text{×}10^{-06}λ^{-6}+1.57001947\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -3.47958e-06 9.54698e-09 3.38453e-13 9.53251e-07 1.02788e-09 8e-09
nd: 1.531720
Vd: 48.779637
density: 2.51 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.2e-06 K-1
dPgF: -0.0003
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

Hikari Glass Co., Ltd.

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

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