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Optical constants of CDGM - K (Crown)
H-K11

Wavelength: µm
 (0.290 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.795536936λ^2}{λ^2-0.00400873219}+\frac{0.500949252λ^2}{λ^2-0.0175436655}+\frac{0.905052235λ^2}{λ^2-111.287063}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -5.26e-06 1.82e-08 -8.49e-11 5.16e-07 1.16e-09 0.136
nd: 1.526380
Vd: 60.157370
glass_code: 526602
density: 2.69 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 9.4e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.1e-05 K-1
dPgF: 0.0005
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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