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Optical constants of HIKARI - Glasses for precision molding
Q-LASFH59S

Wavelength: µm
 (0.320 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.22581362-0.0128335027λ^{2}-9.26420505\text{×}10^{-05}λ^{4}+0.0304553203λ^{-2}+0.000747766899λ^{-4}-1.21365984\text{×}10^{-06}λ^{-6}+1.90023535\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 6.5625e-06 1.3114e-08 -1.2875e-12 8.1211e-07 7.7966e-10 0.20407
nd: 1.820980
Vd: 42.502165
density: 4.81 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6e-06 K-1
dPgF: -81.0

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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