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Optical constants of CDGM - K (Crown)
H-K50

Wavelength: µm
 (0.302 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.19524701λ^2}{λ^2-0.00764077104}+\frac{0.0895076933λ^2}{λ^2-0.0318085706}+\frac{0.920217443λ^2}{λ^2-109.312054}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.18e-06 1.18e-08 -7.33e-11 5.47e-07 1.51e-09 0.174
nd: 1.522490
Vd: 59.480754
glass_code: 522595
density: 2.52 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 7.9e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9.6e-06 K-1
dPgF: -0.0003
climatic_resistance: 1.0

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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