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Optical constants of CDGM - LAF (Lanthanum flint)
H-LAF54

Wavelength: µm
 (0.330 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.14470202-0.010105906λ^{2}+0.0343096974λ^{-2}-0.000833127912λ^{-4}+0.000217008428λ^{-6}-8.70147899\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
n_d: 1.799519
V_d: 42.253294
glass_code: 800422
density: 4.51 g/cm3
coefficient_of_thermal_expansion_1: 5.7e-06 K-1
coefficient_of_thermal_expansion_2: 7e-06 K-1
ΔP_gF: -0.0064
climatic_resistance: 1.0

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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