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Optical constants of HIKARI - SF (Dense flint)
J-SF8

Wavelength: µm
 (0.360 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.76136798-0.0108932344λ^{2}+0.0279459967λ^{-2}+0.00232580023λ^{-4}-0.000432657789λ^{-6}+9.2814925\text{×}10^{-05}λ^{-8}-9.03546717\text{×}10^{-06}λ^{-10}+4.01729395\text{×}10^{-07}λ^{-12}$$

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: 1.688930
V_d: 31.163593
density: 2.93 g/cm3
coefficient_of_thermal_expansion_1: 9.2e-06 K-1
ΔP_gF: 0.0072
phosphate_resistance: 1.0

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