RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of CDGM - ZK (Dense crown)
D-ZK79

Wavelength: µm
 (0.300 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.756950911λ^2}{λ^2-0.00314478995}+\frac{0.788924494λ^2}{λ^2-0.0162552471}+\frac{1.10449853λ^2}{λ^2-112.960367}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 6.7e-07 1.89e-08 -2.68e-10 2.21e-07 1.09e-09 0.312
nd: 1.608860
Vd: 57.895896
glass_code: 609579
density: 3.19 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.1e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9.9e-06 K-1
dPgF: -0.0024
climatic_resistance: 4.0

Comments

anneal rate:4℃/h

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