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Optical constants of CDGM - LAF (Lanthanum flint)
H-LAFL5

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.98452959-0.0112966796λ^{2}+0.0309775151λ^{-2}+0.000431829146λ^{-4}+4.82383023\text{×}10^{-05}λ^{-6}+2.94612279\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -2.04e-07 2.8e-08 -1.11e-10 6.56e-07 -8.41e-10 0.272
n_d: 1.753671
V_d: 37.495125
glass_code: 754375
density: 3.71 g/cm3
coefficient_of_thermal_expansion_1: 7e-06 K-1
coefficient_of_thermal_expansion_2: 8.4e-06 K-1
ΔP_gF: -0.0013
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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