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Optical constants of HOYA - ADF (Abnormal dispersion flint)
E-ADF50

Wavelength: µm
 (0.350 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.6680422-0.013184258λ^{2}+0.023930479λ^{-2}+0.00023928655λ^{-4}+5.0697941\text{×}10^{-05}λ^{-6}+9.1240958\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.08065e-05 0.0 0.0 0.0 0.0 0.0
nd: 1.65412
Vd: 39.62
glass_code: 654396
glass_status: special
density: 3.38 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.1e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 6.5e-06 K-1
dPgF: -0.0033
climatic_resistance: 2.0
acid_resistance: 6.0

Comments

Not in a position to accept new order because of discontinuation.

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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