Optical constants of HOYA - TaFD (Dense tantalum flint)
TAFD37A
Wavelength:
µm
(0.350–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.4958125-0.014342354λ^{2}+0.037807251λ^{-2}+0.0014184073λ^{-4}-4.6470269\text{×}10^{-05}λ^{-6}+6.919444\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 6.28e-07 8.14e-09 -5.08e-11 8.44e-07 7.6e-10 0.225
nd: 1.90043
Vd: 37.37
glass_code: 900374
glass_status: standard
density: 4.9 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.5e-06 K-1
dPgF: -0.0043
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