Optical constants of HOYA - TaF (Tantalum flint)
TAF3D
Wavelength:
µm
(0.320–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.175337-0.014107601λ^{2}+0.0278609λ^{-2}+0.00040102824λ^{-4}+2.4504764\text{×}10^{-05}λ^{-6}+2.4435731\text{×}10^{-08}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.82e-06 8.49e-09 -3.35e-11 6.91e-07 6.18e-10 0.156
nd: 1.80420
Vd: 46.50
glass_code: 804465
glass_status: standard
density: 4.4 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.1e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.6e-06 K-1
dPgF: -0.0073
climatic_resistance: 1.0
stain_resistance: 1.0
acid_resistance: 3.0
Comments
Recommended 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