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Optical constants of HIKARI - KF (Crown/flint)
J-KF6

Wavelength: µm
 (0.340 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.26653222-0.00974283829λ^{2}-8.49115572\text{×}10^{-05}λ^{4}+0.0127195343λ^{-2}+0.000315395806λ^{-4}-8.83703038\text{×}10^{-06}λ^{-6}+1.84064027\text{×}10^{-06}λ^{-8}$$

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: 1.517420
V_d: 52.203782
density: 2.47 g/cm3
coefficient_of_thermal_expansion_1: 6.8e-06 K-1
ΔP_gF: 0.0011
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