Optical constants of HOYA - TaFD (Dense tantalum flint)
MP-TAFD305
Wavelength:
µm
(0.340–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.327184-0.01343242λ^{2}+0.033398λ^{-2}+0.001006047λ^{-4}-2.136908\text{×}10^{-05}λ^{-6}+3.972561\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 5.25e-06 1.17e-08 -4.51e-11 1.25e-06 1.27e-09 0.0455
nd: 1.85135
Vd: 40.10
glass_code: 851401
glass_status: standard
density: 5.25 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.8e-06 K-1
dPgF: -0.0067
climatic_resistance: 1.0
stain_resistance: 2.0
acid_resistance: 3.0
Comments
Preforms for Precision molding
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