Optical constants of HOYA - TaF (Tantalum flint)
TAF3
Wavelength:
µm
(0.320–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.1743707-0.014110466λ^{2}+0.028862637λ^{-2}+3.355949\text{×}10^{-05}λ^{-4}+8.0422109\text{×}10^{-05}λ^{-6}-2.8956744\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.15e-06 9.33e-09 -4.33e-11 5.57e-07 5.72e-10 0.209
nd: 1.80420
Vd: 46.50
glass_code: 804465
density: 4.65 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.9e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.5e-06 K-1
dPgF: -0.0066
climatic_resistance: 1.0
stain_resistance: 2.0
acid_resistance: 3.0
Comments
General glass Type
References
HOYA Zemax catalog 2017-04-01 (obtained from http://www.hoya-opticalworld.com)
Data
INFO
HOYA Corporation
Hoya Corporation is a Japanese company manufacturing optical products.External links
- HOYA Corporation
- HOYA Group Optics DIvision
- HOYA Corporation USA Optics DIvision
- Hoya Corporation - Wikipedia