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Optical constants of CDGM - QF (Light flint)
QF8

Wavelength: µm
 (0.310 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.3287431-0.00786798λ^{2}+0.015763854λ^{-2}+0.00019794235λ^{-4}+1.8002892\text{×}10^{-05}λ^{-6}+3.6533474\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.540718
Vd: 47.198243
glass_code: 541472
glass_status: preferred
density: 2.86 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.5e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.8e-06 K-1
dPgF: -0.0032

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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