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Optical constants of HOYA - LaC (Lanthanum crown)
MP-LAC8-30

Wavelength: µm
 (0.290 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.8827498-0.015740789λ^{2}+0.017707976λ^{-2}+0.0010483265λ^{-4}-9.8332811\text{×}10^{-05}λ^{-6}+5.4828685\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 5.46808e-06 0.0 0.0 0.0 0.0 0.0
n_d: 1.71330
V_d: 53.95
glass_code: 713539
glass_status: special
density: 3.9 g/cm3
coefficient_of_thermal_expansion_1: 6.3e-06 K-1
coefficient_of_thermal_expansion_2: 7.9e-06 K-1
ΔP_gF: -0.0064
climatic_resistance: 1.0
stain_resistance: 2.0
acid_resistance: 4.0

Comments

Not in a position to accept new order because of discontinuation.

References

HOYA Zemax catalog 2017-04-01 (obtained from http://www.hoya-opticalworld.com)

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

HOYA Corporation

Hoya Corporation is a Japanese company manufacturing optical products.

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