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Optical constants of HIKARI - LLF (Very light flint)
LLF2

Wavelength: µm
 (0.310 – 0.7)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.311056+0.003592112λ^{2}+0.02635349λ^{-2}-0.002861817λ^{-4}+0.0004429611λ^{-6}-2.227926\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.540720
Vd: 47.224798
glass_code: 541472
glass_status: preferred
density: 2.87 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.9e-06 K-1

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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