RefractiveIndex.INFO

Refractive index database


nk database   |   n2 database   |   about

Shelf

Book

Page

Optical constants of HIKARI - SK (Dense crown)
Q-SK5S

Wavelength: µm
 (0.280–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.48684451-0.0107692547λ^{2}-0.000134578724λ^{4}+0.013864428λ^{-2}+0.000124776891λ^{-4}+8.35456207\text{×}10^{-06}λ^{-6}-1.81702443\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.588870
Vd: 61.177645
glass_status: preferred
density: 2.93 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.8e-06 K-1
dPgF: -0.0036
phosphate_resistance: 4.0

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.

External links


Glass

External links