# 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: 2.2582399 -0.0079875836 2 0.012575688 -2 0.00022130477 -4 1.0685962e-06 -6 3.9764383e-07 -8
  - type: tabulated k
    data: |
        0.300 8.3713E-06
        0.310 2.8892E-06
        0.320 1.0970E-06
        0.330 4.5786E-07
        0.340 1.8764E-07
        0.350 8.7708E-08
        0.360 4.6207E-08
        0.370 3.5546E-08
        0.380 3.6507E-08
        0.390 1.8677E-08
        0.400 1.5955E-08
        0.420 1.6753E-08
        0.440 2.1072E-08
        0.460 1.4672E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
        0.800 3.1911E-08
        0.900 4.3101E-08
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 25.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 1.239e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.514536
    Vd: 54.714595
    glass_code: 515547
    glass_status: preferred
    density: 2.6 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 9.1e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 1.07e-05 K<sup>-1</sup>
    dPgF: -0.0021
    acid_resistance: 1.0
    phosphate_resistance: 1.0
