RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HOYA - FD (Dense flint)
E-FD7

Wavelength: µm
 (0.360 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.6165865-0.011427854λ^{2}+0.022534361λ^{-2}+0.001551289λ^{-4}-0.00011769852λ^{-6}+1.2401891\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 3.8611e-07 0.0 0.0 0.0 0.0 0.0
n_d: 1.63980
V_d: 34.57
glass_code: 640346
glass_status: special
density: 2.75 g/cm3
coefficient_of_thermal_expansion_1: 8.7e-06 K-1
coefficient_of_thermal_expansion_2: 1.07e-05 K-1
ΔP_gF: 0.0055
climatic_resistance: 1.0
stain_resistance: 1.0
acid_resistance: 1.0

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

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

HOYA Corporation

Hoya Corporation is a Japanese company manufacturing optical products.

External links


Glass

External links