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Optical constants of CDGM - K (Crown)
H-K12

Wavelength: µm
 (0.320 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.31506425-0.00827156166λ^{2}+0.0129535559λ^{-2}+0.000268505199λ^{-4}-5.46028268\text{×}10^{-06}λ^{-6}+6.24325621\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.57e-06 1.35e-08 -5.16e-11 7.91e-07 9.19e-10 0.086
nd: 1.533589
Vd: 55.469983
glass_code: 534555
density: 2.72 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 9.2e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.07e-05 K-1
dPgF: -0.0023

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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