RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of CDGM - K (Crown)
H-K3

Wavelength: µm
 (0.300 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.23568924-0.0101322782λ^{2}+0.0109219541λ^{-2}-5.77272119\text{×}10^{-05}λ^{-4}+2.68720113\text{×}10^{-05}λ^{-6}-1.16041466\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2.53e-06 1.95e-08 -5.32e-11 4.02e-07 6.25e-10 0.12
nd: 1.504631
Vd: 64.779923
glass_code: 505647
density: 2.4 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.8e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7e-06 K-1
dPgF: -0.0045
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