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Optical constants of HIKARI - SK (Dense crown)
J-SK12

Wavelength: µm
 (0.290 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.46741191-0.00952788845λ^{2}-0.000102594923λ^{4}+0.0140303006λ^{-2}+0.000169265777λ^{-4}+5.39399652\text{×}10^{-06}λ^{-6}-2.33385875\text{×}10^{-08}λ^{-8}$$

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

Additional information

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
n_d: 1.583130
V_d: 59.419851
density: 3.23 g/cm3
coefficient_of_thermal_expansion_1: 6e-06 K-1
ΔP_gF: -0.0018
phosphate_resistance: 2.0

References

1) HIKARI optical glass catalog 2015-04-01
2) HIKARI Zemax catalog

More info - wiki

Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.

External links

Latest optical glass catalog