RefractiveIndex.INFO

Refractive index database


Shelf

Book

Page

Optical constants of CDGM - K (Crown)
D-K9

Wavelength: µm
 (0.290 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.567853792λ^2}{λ^2-0.00238581579}+\frac{0.702269689λ^2}{λ^2-0.0135348332}+\frac{1.08102455λ^2}{λ^2-107.748228}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.87e-06 1.55e-08 -1.35e-11 4.17e-07 5.2e-10 0.177
nd: 1.516330
Vd: 64.058952
glass_code: 516641
density: 2.41 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 6.3e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 7.8e-06 K-1
dPgF: -0.0027
climatic_resistance: 1.0

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