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Optical constants of CDGM - QF (Light flint)
QF1

Wavelength: µm
 (0.310 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.3504951-0.0086857021λ^{2}+0.016092857λ^{-2}+0.00018705912λ^{-4}+4.2149581\text{×}10^{-05}λ^{-6}-1.3216062\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.548100
Vd: 45.886233
glass_code: 548459
glass_status: preferred
density: 2.94 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.7e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.3e-06 K-1
dPgF: 0.0013

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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