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Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF92

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.83592109-0.0155216804λ^{2}+0.0558392182λ^{-2}+0.0025842306λ^{-4}-9.64328404\text{×}10^{-05}λ^{-6}+2.26279197\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -6.27e-07 1.53e-08 -2.95e-11 9.71e-07 1.4e-09 0.281
n_d: 2.003307
V_d: 28.317370
density: 5.02 g/cm3
coefficient_of_thermal_expansion_1: 6.9e-06 K-1
coefficient_of_thermal_expansion_2: 8.7e-06 K-1
ΔP_gF: 0.0057

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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