RefractiveIndex.INFO

Refractive index database

Shelf

Book

Page

Optical constants of HOYA - TaC (Tantalum crown)
TAC2

Wavelength: µm
 (0.280 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.9717137-0.014952593λ^{2}+0.020162868λ^{-2}+0.00094072283λ^{-4}-8.8614104\text{×}10^{-05}λ^{-6}+5.3191242\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 9.22223e-06 0.0 0.0 0.0 0.0 0.0
n_d: 1.74100
V_d: 52.60
glass_code: 741526
glass_status: special
density: 4.19 g/cm3
coefficient_of_thermal_expansion_1: 5.2e-06 K-1
coefficient_of_thermal_expansion_2: 7.1e-06 K-1
ΔP_gF: -0.0091
climatic_resistance: 1.0
stain_resistance: 2.0
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

[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