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Optical constants of HIKARI - LF (Light flint)
J-LF7

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.42574282-0.00890909885λ^{2}-0.000108092631λ^{4}+0.0190630501λ^{-2}+0.000117245652λ^{-4}+9.74566345\text{×}10^{-05}λ^{-6}-9.93663901\text{×}10^{-06}λ^{-8}+6.41905453\text{×}10^{-07}λ^{-10}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -6.2524e-07 1.1487e-08 -1.0892e-12 7.1836e-07 8.2339e-10 0.24457
n_d: 1.575010
V_d: 41.512435
density: 2.6 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8e-06 K-1
ΔP_gF: 0.0017
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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