Optical constants of HOYA - TaFD (Dense tantalum flint)
TAFD25
Wavelength:
µm
(0.360–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.4905528-0.016325771λ^{2}+0.041146322λ^{-2}+0.0027169124λ^{-4}-0.00018260518λ^{-6}+2.0641862\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.77e-07 7.51e-09 -2.95e-11 1.02e-06 9.45e-10 0.245
nd: 1.90366
Vd: 31.32
glass_code: 904313
glass_status: standard
density: 4.51 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.8e-06 K-1
dPgF: 0.0028
climatic_resistance: 1.0
stain_resistance: 1.0
acid_resistance: 1.0
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