RefractiveIndex.INFO

Refractive index database


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Optical constants of HIKARI - SK (Dense crown)
Q-SK12S

Wavelength: µm
 (0.290 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.47648136-0.0102815826λ^{2}-0.000104525542λ^{4}+0.0141032606λ^{-2}+0.000147282182λ^{-4}+7.20217001\text{×}10^{-06}λ^{-6}-1.1548098\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.6348e-06 1.1491e-08 6.2069e-14 4.866e-07 6.0156e-10 0.19739
nd: 1.585930
Vd: 59.621704
glass_status: preferred
density: 2.8 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.7e-06 K-1
dPgF: -0.0039
phosphate_resistance: 3.0

Comments

For mold lens

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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