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Optical constants of HOYA - LaCL (Light lanthanum crown)
LACL60

Wavelength: µm
 (0.280 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.6490884-0.014159869λ^{2}+0.014451135λ^{-2}+0.00052707873λ^{-4}-4.3447523\text{×}10^{-05}λ^{-6}+2.4612971\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.28907e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.64000
Vd: 60.20
glass_code: 640602
glass_status: special
density: 3.02 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.8e-06 K-1
dPgF: -0.0039
climatic_resistance: 3.0
stain_resistance: 5.0
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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