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Optical constants of HOYA - LaC (Lanthanum crown)
LAC10

Wavelength: µm
 (0.300 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.8951998-0.011701218λ^{2}+0.022126485λ^{-2}+0.00038494791λ^{-4}-7.9808302\text{×}10^{-06}λ^{-6}+1.5035116\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 2.44934e-06 0.0 0.0 0.0 0.0 0.0
n_d: 1.72000
V_d: 50.34
glass_code: 720503
glass_status: special
density: 3.87 g/cm3
coefficient_of_thermal_expansion_1: 7.4e-06 K-1
coefficient_of_thermal_expansion_2: 9.1e-06 K-1
ΔP_gF: -0.0075
climatic_resistance: 1.0
stain_resistance: 4.0
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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