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Optical constants of HIKARI - K (Crown)
J-K5

Wavelength: µm
 (0.320 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.28421062-0.00815537489λ^{2}-0.000105573054λ^{4}+0.0122386101λ^{-2}+0.000110833374λ^{-4}+9.05979458\text{×}10^{-06}λ^{-6}-1.07673777\text{×}10^{-07}λ^{-8}$$

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: 1.522490
V_d: 59.213983
density: 2.52 g/cm3
coefficient_of_thermal_expansion_1: 7.7e-06 K-1
ΔP_gF: -0.001
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