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Optical constants of CDGM - K (Crown)
H-K1

Wavelength: µm
 (0.290 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.841282669λ^2}{λ^2-103.641667}+\frac{1.01521166λ^2}{λ^2-0.00623224915}+\frac{0.204021337λ^2}{λ^2-0.022057042}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -4.14e-06 1.96e-08 -3.87e-11 5.49e-07 -2.63e-10 0.161
nd: 1.499670
Vd: 62.071979
glass_code: 500621
density: 2.47 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.7e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.04e-05 K-1
dPgF: 0.0006
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.

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