Optical constants of HOYA - TaFD (Dense tantalum flint)
TAFD30
Wavelength:
µm
(0.310–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.4419038-0.014175245λ^{2}+0.03435104λ^{-2}+0.0011752271λ^{-4}-3.9010343\text{×}10^{-05}λ^{-6}+3.7417054\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.21e-06 9.96e-09 -3.19e-11 8.4e-07 2.81e-10 0.184
nd: 1.88300
Vd: 40.80
glass_code: 883408
glass_status: standard
density: 5.42 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.5e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.2e-06 K-1
dPgF: -0.0094
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