Optical constants of HOYA - LaC (Lanthanum crown)
LAC12
Wavelength:
µm
(0.300–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.7634844-0.011068339λ^{2}+0.018246442λ^{-2}+0.00037697356λ^{-4}-1.7788655\text{×}10^{-05}λ^{-6}+1.5314262\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.10512e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.67790
Vd: 55.52
glass_code: 678555
glass_status: special
density: 3.8 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.7e-06 K-1
- temperature_range: 20 300 °C
coefficient: 9e-06 K-1
dPgF: -0.0031
climatic_resistance: 3.0
stain_resistance: 5.0
acid_resistance: 4.0
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