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Optical constants of CDGM - QF (Light flint)
H-QF6A

Wavelength: µm
 (0.340 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.0830014908λ^2}{λ^2-0.0493974056}+\frac{1.22223237λ^2}{λ^2-0.00830688707}+\frac{1.01475439λ^2}{λ^2-114.773547}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -5.28e-06 2.18e-08 -9.29e-11 4.95e-07 4.67e-10 0.262
nd: 1.531720
Vd: 48.839833
glass_code: 532488
density: 2.52 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.6e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9.5e-06 K-1
dPgF: 0.0037
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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