RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of CDGM - QF (Light flint)
QF6

Wavelength: µm
 (0.310 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.3044884-0.0083782321λ^{2}+0.014424342λ^{-2}+0.00033374311λ^{-4}-4.4657456\text{×}10^{-06}λ^{-6}+1.3349929\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.531719
Vd: 48.755584
glass_code: 532488
glass_status: preferred
density: 2.78 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.2e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.8e-06 K-1
dPgF: -0.0024

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