Optical constants of HOYA - TaFD (Dense tantalum flint)
M-TAFD51
Wavelength:
µm
(0.340–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.227682-0.01453816λ^{2}+0.0292121λ^{-2}+0.001057062λ^{-4}-4.787162\text{×}10^{-05}λ^{-6}+4.557239\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 7.04481e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.82080
Vd: 42.71
glass_code: 821427
glass_status: standard
density: 5.01 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.4e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.7e-06 K-1
dPgF: -0.0072
climatic_resistance: 1.0
stain_resistance: 2.0
acid_resistance: 3.0
Comments
Glass for molded optics lens
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