RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HOYA - TaF (Tantalum flint)
TAF5

Wavelength: µm
 (0.300 – 1.01398)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.2191571-0.015310562λ^{2}+0.02636257λ^{-2}+0.0010534452λ^{-4}-6.1660412\text{×}10^{-05}λ^{-6}+3.9733897\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.56416e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.81600
Vd: 46.57
glass_code: 816466
glass_status: special
density: 5.06 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.7e-06 K-1
dPgF: -0.0083
climatic_resistance: 1.0
stain_resistance: 2.0
acid_resistance: 3.0

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