# 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="https://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="https://refractiveindex.info/download/data/2017/ohara_2017-11-30.pdf">OHARA glass data sheets</a>
COMMENTS: |
    
DATA:
  - type: formula 2
    wavelength_range: 0.3 2.4
    coefficients: 0 1.41315067 0.00995172814 0.1914654 0.0527932739 1.68833255 168.804627
  - type: tabulated k
    data: |
        0.370 5.7890E-06
        0.380 2.1571E-06
        0.390 9.7671E-07
        0.400 4.8008E-07
        0.420 2.2463E-07
        0.440 1.4658E-07
        0.460 1.1905E-07
        0.480 9.6707E-08
        0.500 7.2272E-08
        0.550 3.0745E-08
        0.600 3.3540E-08
        0.650 4.1547E-08
        0.700 3.3523E-08
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 7.9617E-09
CONDITIONS:
    temperature: 298
PROPERTIES:
    nd: 1.636358
    Vd: 35.391923
    glass_code: 636354
    glass_status: preferred
    density:
      - value: 2790
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.3e-06
      - temperature_range: 293 573
        value: 1.02e-05
    dPgF: 0.0056
    resistance:
        acid: 1.0
        phosphate: 1.0