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Optical constants of HIKARI - Glasses for precision molding
Q-SK15S

Wavelength: µm
 (0.280 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.59073686-0.0106523029λ^{2}-9.98472173\text{×}10^{-05}λ^{4}+0.0154224112λ^{-2}+0.000252371925λ^{-4}-9.42642262\text{×}10^{-07}λ^{-6}+3.09905553\text{×}10^{-07}λ^{-8}$$

Comments

For mold lens

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: 1.622910
V_d: 58.302401
density: 3.25 g/cm3
coefficient_of_thermal_expansion_1: 7.1e-06 K-1
ΔP_gF: -0.0027
phosphate_resistance: 4.0

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