# 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: 2.2513548 -0.0093148277 2 0.010704574 -2 0.00012187894 -4 1.0654019e-05 -6 -7.4428165e-07 -8
  - type: tabulated k
    data: |
        0.300 4.0938E-06
        0.310 1.9698E-06
        0.320 9.4491E-07
        0.330 4.5786E-07
        0.340 2.1094E-07
        0.350 1.0790E-07
        0.360 6.0801E-08
        0.370 4.1512E-08
        0.380 4.5703E-08
        0.390 2.1801E-08
        0.400 1.5955E-08
        0.420 1.6753E-08
        0.440 2.4596E-08
        0.460 1.8349E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
        0.800 2.5516E-08
        0.900 3.5900E-08
SPECS:
    n_absolute: false
    wavelength_vacuum: false
    temperature: 25.0 °C
    thermal_dispersion:
      - type: "Schott formula"
        coefficients: 4.552e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.510091
    Vd: 63.635037
    glass_code: 510636
    glass_status: preferred
    density: 2.48 g/cm<sup>3</sup>
    thermal_expansion:
      - temperature_range: -30 70 °C
        coefficient: 8e-06 K<sup>-1</sup>
      - temperature_range: 20 300 °C
        coefficient: 9.4e-06 K<sup>-1</sup>
    dPgF: -0.0001
    acid_resistance: 1.0
    phosphate_resistance: 1.0
