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Optical constants of CDGM - QF (Light flint)
H-QF3

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.42501025-0.00862223052λ^{2}+0.0193144869λ^{-2}+0.000210375528λ^{-4}+3.29751181\text{×}10^{-05}λ^{-6}+1.50559094\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.5e-06 2.15e-08 -2.26e-10 7.06e-07 3.09e-10 0.246
n_d: 1.575009
V_d: 41.506694
glass_code: 575415
density: 2.6 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.03e-05 K-1
ΔP_gF: 0.0018
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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