Optical constants of HOYA - FDS (Special dense flint)
FDS18-W
Wavelength:
µm
(0.36501–1.550)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=3.563784-0.025449644λ^{2}+0.058401659λ^{-2}+0.0092310983λ^{-4}-0.00095499727λ^{-6}+0.00011777456λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -2.60984e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.94595
Vd: 17.98
glass_code: 946180
glass_status: standard
density: 3.51 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 5.7e-06 K-1
- temperature_range: 20 300 °C
coefficient: 7.1e-06 K-1
dPgF: 0.0386
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