RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of CDGM - LAK (Lanthanum crown)
H-LAK11

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.71757958-0.00952801665λ^{2}+0.0196309871λ^{-2}-0.000237384298λ^{-4}+8.48314788\text{×}10^{-05}λ^{-6}-4.09640039\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -1.34e-06 2.38e-08 -5.5e-11 4.75e-07 6.18e-11 0.228
n_d: 1.664613
V_d: 54.657841
glass_code: 665546
density: 4.02 g/cm3
coefficient_of_thermal_expansion_1: 7.2e-06 K-1
coefficient_of_thermal_expansion_2: 8.8e-06 K-1
ΔP_gF: -0.0005
climatic_resistance: 3.0

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