RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of CDGM - ZLAF (Dense lanthanum flint)
H-ZLAF92

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.83592109-0.0155216804λ^{2}+0.0558392182λ^{-2}+0.0025842306λ^{-4}-9.64328404\text{×}10^{-05}λ^{-6}+2.26279197\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -6.27e-07 1.53e-08 -2.95e-11 9.71e-07 1.4e-09 0.281
nd: 2.003307
Vd: 28.317370
density: 5.02 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.9e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.7e-06 K-1
dPgF: 0.0057

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