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Optical constants of CDGM - K (Crown)
H-K7

Wavelength: µm
 (0.290 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.854802452λ^2}{λ^2-103.20426}+\frac{0.442226826λ^2}{λ^2-0.0179643059}+\frac{0.820484068λ^2}{λ^2-0.00433831623}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -3.47e-06 1.04e-08 -1.23e-11 5.23e-07 2.98e-10 0.19
nd: 1.514780
Vd: 60.634896
glass_code: 515606
density: 2.54 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.5e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1e-05 K-1
dPgF: 0.0001
climatic_resistance: 2.0

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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