RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF69

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.2148109-0.012992517λ^{2}+0.029243707λ^{-2}+0.00018800218λ^{-4}+5.7106547\text{×}10^{-05}λ^{-6}-1.9571482\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 1.51e-06 1.83e-08 -1.08e-10 5.27e-07 6.39e-10 0.24
n_d: 1.816001
V_d: 46.569210
glass_code: 816465
density: 5.01 g/cm3
coefficient_of_thermal_expansion_1: 6.4e-06 K-1
coefficient_of_thermal_expansion_2: 7.8e-06 K-1
ΔP_gF: -0.0108
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.

External links


Glass

External links