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Optical constants of CDGM - K (Crown)
H-K1

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.2199551-0.00854352351λ^{2}+0.0103698555λ^{-2}+0.000273240959λ^{-4}-1.58736064\text{×}10^{-05}λ^{-6}+9.73235567\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -4.14e-06 1.96e-08 -3.87e-11 5.49e-07 -2.63e-10 0.161
nd: 1.499673
Vd: 62.090817
glass_code: 500621
density: 2.47 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.7e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.04e-05 K-1
dPgF: -0.0009
climatic_resistance: 3.0

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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