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Optical constants of HOYA - CF (Crownflint)
E-CF6

Wavelength: µm
 (0.340 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.2668912-0.0093866212λ^{2}+0.012174195λ^{-2}+0.0005076903λ^{-4}-3.3573414\text{×}10^{-05}λ^{-6}+2.9059013\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.62453e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.51742
Vd: 52.15
glass_code: 517522
density: 2.43 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.2e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.2e-06 K-1
dPgF: 0.0045
climatic_resistance: 2.0
stain_resistance: 1.0
acid_resistance: 1.0

Comments

General glass Type

References

HOYA Zemax catalog 2017-04-01 (obtained from http://www.hoya-opticalworld.com)

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

HOYA Corporation

Hoya Corporation is a Japanese company manufacturing optical products.

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