RefractiveIndex.INFO

Refractive index database


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Optical constants of CDGM - K (Crown)
H-K5

Wavelength: µm
 (0.290 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.25018356-0.00894066156λ^{2}+0.0114317829λ^{-2}-7.33393278\text{×}10^{-05}λ^{-4}+3.49616695\text{×}10^{-05}λ^{-6}-1.80100775\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.53e-07 1.48e-08 -9.74e-12 4.45e-07 7.77e-10 0.202
nd: 1.510072
Vd: 63.364525
glass_code: 510634
density: 2.47 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.5e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.9e-06 K-1
dPgF: 0.0012
climatic_resistance: 1.0

References

CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)

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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