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Optical constants of HOYA - BaC (Barium crown)
BAC4

Wavelength: µm
 (0.290 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.4196645-0.0083329314λ^{2}+0.01539739λ^{-2}-0.00017391654λ^{-4}+6.218322\text{×}10^{-05}λ^{-6}-3.062131\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 9.31e-06 1.09e-08 -5.68e-11 4.67e-07 7.99e-10 0.248
n_d: 1.56883
V_d: 56.04
glass_code: 569560
density: 2.85 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 6.9e-06 K-1
ΔP_gF: 0.001
climatic_resistance: 1.0
stain_resistance: 1.0
acid_resistance: 1.0

Comments

General glass Type

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.

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