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Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF2A

Wavelength: µm
 (0.310 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.16963751-0.0138628788λ^{2}+0.0288233041λ^{-2}-1.62994843\text{×}10^{-05}λ^{-4}+8.61841046\text{×}10^{-05}λ^{-6}-3.37002982\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.65e-06 1.01e-08 -6.47e-11 5.6e-07 4.65e-10 0.229
nd: 1.802793
Vd: 46.774142
glass_code: 803468
density: 4.65 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.8e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.8e-06 K-1
dPgF: -0.0095

References

CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)

Data

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

INFO

CDGM Glass Co., Ltd.

CDGM Glass Co., Ltd. is a leading optical glass supplier in China with a worldwile distribution network.

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