Optical constants of HOYA - TaFD (Dense tantalum flint)
TAFD35
Wavelength:
µm
(0.350–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.5274747-0.014839948λ^{2}+0.039745402λ^{-2}+0.001803472λ^{-4}-8.9279334\text{×}10^{-05}λ^{-6}+1.1377783\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.96e-06 1.04e-08 -2.57e-11 8.88e-07 9.73e-10 0.239
nd: 1.91082
Vd: 35.25
glass_code: 911353
glass_status: standard
density: 4.97 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.8e-06 K-1
- temperature_range: 20 300 °C
coefficient: 8.2e-06 K-1
dPgF: -0.0026
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