RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of CDGM - LAK (Lanthanum crown)
H-LAK7A

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.87982167-0.0147537347λ^{2}+0.0188595645λ^{-2}+0.000746887433λ^{-4}-6.23723325\text{×}10^{-05}λ^{-6}+3.88098485\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 2.45e-06 1.45e-08 -7.86e-11 2.61e-07 4.57e-10 0.292
n_d: 1.713004
V_d: 53.868142
glass_code: 713538
glass_status: standard
density: 3.74 g/cm3
coefficient_of_thermal_expansion_1: 5.5e-06 K-1
coefficient_of_thermal_expansion_2: 7.3e-06 K-1
ΔP_gF: -0.0119
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