RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of CDGM - LAK (Lanthanum crown)
H-LAK53B

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.01623609-0.0144609479λ^{2}+0.0229095394λ^{-2}+0.000216967699λ^{-4}+2.73048039\text{×}10^{-05}λ^{-6}-9.80684551\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 7.57e-07 1.62e-08 2.39e-11 6.45e-07 7.19e-10 0.08
nd: 1.754998
Vd: 52.337421
glass_code: 755523
glass_status: standard
density: 4.22 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.7e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.3e-06 K-1
dPgF: -0.0091
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