Optical constants of HOYA - TaF (Tantalum flint)
TAF4
Wavelength:
µm
(0.310–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.1212281-0.014119909λ^{2}+0.026520622λ^{-2}+0.00040415763λ^{-4}+1.4260634\text{×}10^{-05}λ^{-6}+3.164256\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 5.51099e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.78800
Vd: 47.49
glass_code: 788475
glass_status: special
density: 4.54 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.4e-06 K-1
dPgF: -0.009
climatic_resistance: 1.0
stain_resistance: 2.0
acid_resistance: 3.0
Comments
Not in a position to accept new order because of discontinuation.
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