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Optical constants of CDGM - QF (Light flint)
H-QF50A

Wavelength: µm
 (0.350–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.113568363λ^2}{λ^2-0.0529496322}+\frac{1.07619407λ^2}{λ^2-114.277366}+\frac{1.33131033λ^2}{λ^2-0.00976687365}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.15e-06 1.62e-08 -5.36e-11 7.72e-07 8.65e-10 0.235
nd: 1.581440
Vd: 40.746424
glass_code: 581408
density: 2.61 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.5e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.04e-05 K-1
dPgF: 0.0014
climatic_resistance: 1.0

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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