RefractiveIndex.INFO

Refractive index database


Shelf

Book

Page

Optical constants of CDGM - ZK (Dense crown)
H-ZK11

Wavelength: µm
 (0.313 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.053461546λ^2}{λ^2-0.0456429986}+\frac{1.5837823λ^2}{λ^2-0.00912260162}+\frac{0.918196297λ^2}{λ^2-89.3234474}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.64e-06 1.58e-08 -3.17e-11 4.74e-07 3.85e-10 0.203
nd: 1.638540
Vd: 55.446553
glass_code: 639555
glass_status: standard
density: 3.69 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 6.9e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 8.2e-06 K-1
dPgF: -0.0013
climatic_resistance: 3.0

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