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Optical constants of HOYA - FF (Fluor flint)
FF8

Wavelength: µm
 (0.360 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.9564361-0.019762195λ^{2}+0.029878823λ^{-2}+0.0051830852λ^{-4}-0.00054202389λ^{-6}+4.8463245\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: -3.67e-06 1.1e-08 -3.23e-11 7.57e-07 9.89e-10 0.306
n_d: 1.75211
V_d: 25.05
glass_code: 752251
density: 3.14 g/cm3
coefficient_of_thermal_expansion_1: 6.1e-06 K-1
coefficient_of_thermal_expansion_2: 7e-06 K-1
ΔP_gF: 0.0159
climatic_resistance: 1.0
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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