RefractiveIndex.INFO

Refractive index database


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Optical constants of HIKARI - K (Crown)
E-K5

Wavelength: µm
 (0.290 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.25937934+0.00909050374λ^{2}+0.0263394215λ^{-2}-0.00377741843λ^{-4}+0.000522870195λ^{-6}-2.62918185\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
nd: 1.522490
Vd: 59.731259
glass_code: 522597
glass_status: preferred
density: 2.55 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 1.08e-05 K-1
dPgF: 0.0026

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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