# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: "<a href=\"http://refractiveindex.info/download/data/2017/ohara_2017-11-30.agf\">OHARA Zemax catalog 2017-11-30</a> (obtained from <a href=\"http://www.ohara-inc.co.jp/en/product/optical/list/\">http://www.ohara-inc.co.jp</a>)<br>See also <a href=\"http://refractiveindex.info/download/data/2017/ohara_2017-11-30.pdf\">OHARA glass data sheets</a>"
COMMENTS: ""
DATA:
  - type: formula 3 
    wavelength_range: 0.3 2.4
    coefficients: 2.3063389 -0.009299434 2 0.014148541 -2 0.00061944948 -4 -3.542134e-05 -6 4.3560988e-06 -8
  - type: tabulated k
    data: |
        0.360 6.0741E-06
        0.370 2.4173E-06
        0.380 1.0786E-06
        0.390 5.4111E-07
        0.400 2.7234E-07
        0.420 1.2948E-07
        0.440 9.2241E-08
        0.460 7.0220E-08
        0.480 5.7730E-08
        0.500 4.4010E-08
        0.550 2.6340E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 25.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: -2.683e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.532565
    Vd: 45.914102
    glass_code: 533459
    glass_status: preferred
    density: 2.53 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 8.5e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 9.7e-06 K<sup>-1</sup>
    dPgF: 0.0077
    acid_resistance: 1.0
    phosphate_resistance: 1.0
