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Optical constants of CDGM - K (Crown)
H-K6

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.25024516-0.00758714819λ^{2}+0.0126303778λ^{-2}-0.000229001819λ^{-4}+5.80225939\text{×}10^{-05}λ^{-6}-2.84094604\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.84e-06 1.68e-08 -6.96e-11 4.72e-07 -6.38e-11 0.217
n_d: 1.511125
V_d: 60.478905
glass_code: 511605
density: 2.53 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.5e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.9e-06 K-1
climatic_resistance: 2.0

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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