Optical constants of HOYA - FD (Dense flint)
FD225
Wavelength:
µm
(0.36501–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.1189869-0.015820772λ^{2}+0.044425024λ^{-2}+0.0035834882λ^{-4}-0.00023943449λ^{-6}+3.8756542\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -1.09e-05 4.1e-09 -1.04e-11 1.01e-06 1.33e-09 0.307
nd: 1.80809
Vd: 22.76
glass_code: 808228
glass_status: standard
density: 3.32 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.6e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.18e-05 K-1
dPgF: 0.0213
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