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Optical constants of HIKARI - FK (Fluorite crown)
J-FKH2

Wavelength: µm
 (0.300 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.10149795-0.00468337833λ^{2}-1.34642385\text{×}10^{-05}λ^{4}+0.00677542246λ^{-2}+4.53499889\text{×}10^{-05}λ^{-4}+2.24209054\text{×}10^{-06}λ^{-6}-6.21790903\text{×}10^{-08}λ^{-8}$$

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: 1.456000
V_d: 91.374829
density: 3.67 g/cm3
coefficient_of_thermal_expansion_1: 1.34e-05 K-1
ΔP_gF: 0.0431
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