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Optical constants of CDGM - ZLAF (Dense lanthanum flint)
D-ZLAF81

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.1745656-0.0098395711λ^{2}+0.034884391λ^{-2}-0.00052006433λ^{-4}+0.00017902813λ^{-6}-6.3116821\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 5.18e-06 1.52e-08 1.59e-10 5.99e-07 9.97e-11 0.282
n_d: 1.808800
V_d: 41.010308
glass_code: 809410
density: 4.55 g/cm3
coefficient_of_thermal_expansion_1: 6.4e-06 K-1
coefficient_of_thermal_expansion_2: 8.1e-06 K-1
ΔP_gF: -0.0065

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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