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Optical constants of HIKARI - SK (Dense crown)
J-SK15

Wavelength: µm
 (0.290 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.59035665-0.0102907579λ^{2}-0.000119847148λ^{4}+0.0157254882λ^{-2}+0.000190519844λ^{-4}+6.52864472\text{×}10^{-06}λ^{-6}-1.78313721\text{×}10^{-08}λ^{-8}$$

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: 1.622990
V_d: 58.122114
density: 3.58 g/cm3
coefficient_of_thermal_expansion_1: 6e-06 K-1
ΔP_gF: -0.003
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