Optical constants of HOYA - TaC (Tantalum crown)
TAC8
Wavelength:
µm
(0.280–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.9324178-0.014603156λ^{2}+0.021121636λ^{-2}+4.8240144\text{×}10^{-05}λ^{-4}+4.9669475\text{×}10^{-05}λ^{-6}-2.4904491\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 1.78e-06 1.02e-08 -2.66e-11 4.13e-07 1.53e-10 0.202
nd: 1.72916
Vd: 54.67
glass_code: 729547
glass_status: standard
density: 4.05 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.3e-06 K-1
dPgF: -0.0046
climatic_resistance: 1.0
stain_resistance: 3.0
acid_resistance: 4.0
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