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Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF68N

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.43465461-0.0126976179λ^{2}+0.0380366168λ^{-2}+0.000397530666λ^{-4}+8.03440262\text{×}10^{-05}λ^{-6}-6.06964244\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 7.5e-07 1.18e-08 -2.26e-11 4.02e-07 5.98e-10 0.323
n_d: 1.883001
V_d: 39.225276
glass_code: 883392
glass_status: standard
density: 5.17 g/cm3
coefficient_of_thermal_expansion_1: 5.8e-06 K-1
coefficient_of_thermal_expansion_2: 8.6e-06 K-1
ΔP_gF: -0.006
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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