RefractiveIndex.INFO

Refractive index database


Shelf

Book

Page

Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF1

Wavelength: µm
 (0.320 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.513637795λ^2}{λ^2-0.0313064446}+\frac{1.65030785λ^2}{λ^2-0.0073538878}+\frac{1.47644096λ^2}{λ^2-100.105262}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.15e-06 1.76e-08 -6.68e-11 5.2e-07 1.18e-10 0.262
nd: 1.801660
Vd: 44.263459
glass_code: 802443
density: 4.3 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 5.3e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 7.2e-06 K-1
dPgF: -0.0078
climatic_resistance: 1.0

References

CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets

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