Optical constants of HOYA - LaC (Lanthanum crown)
LAC14
Wavelength:
µm
(0.280–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.8255229-0.013632902λ^{2}+0.019791402λ^{-2}+1.5032564\text{×}10^{-05}λ^{-4}+4.0761368\text{×}10^{-05}λ^{-6}-1.7527267\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.05e-06 1.07e-08 -2.21e-11 4.35e-07 4.49e-10 0.185
nd: 1.69680
Vd: 55.46
glass_code: 697555
glass_status: standard
density: 3.67 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.2e-06 K-1
dPgF: -0.0059
climatic_resistance: 1.0
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