RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of CDGM - LAK (Lanthanum crown)
H-LAK61

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.96883578-0.0137037464λ^{2}+0.0224806873λ^{-2}+0.00013022706λ^{-4}+3.52478352\text{×}10^{-05}λ^{-6}-1.34827056\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 3.47e-06 1.55e-08 -6.52e-11 4.66e-07 6.39e-10 0.22
n_d: 1.740999
V_d: 52.676196
glass_code: 741526
density: 4.1 g/cm3
coefficient_of_thermal_expansion_1: 5.8e-06 K-1
coefficient_of_thermal_expansion_2: 7.2e-06 K-1
ΔP_gF: -0.0096
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