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Optical constants of CDGM - ZLAF (Dense lanthanum flint)
D-ZLAF52LA

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.1753525-0.00848750283λ^{2}+0.0371301651λ^{-2}-0.00109609062λ^{-4}+0.00024418582λ^{-6}-8.94583294\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 5.32e-06 1.75e-08 -7.96e-11 7.4e-07 2.75e-10 0.221
n_d: 1.809995
V_d: 41.000073
glass_code: 810410
glass_status: standard
density: 4.56 g/cm3
coefficient_of_thermal_expansion_1: 6.6e-06 K-1
coefficient_of_thermal_expansion_2: 8.3e-06 K-1
ΔP_gF: -0.0066
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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