# 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 1.32567543 0.00973013804 0.208112474 0.046285933 1.15985207 137.559854
  - type: tabulated k
    data: |
        0.320 7.6286E-06
        0.330 2.1559E-06
        0.340 6.3778E-07
        0.350 2.1714E-07
        0.360 9.0214E-08
        0.370 4.7491E-08
        0.380 3.3448E-08
        0.390 2.1801E-08
        0.400 1.5955E-08
        0.420 6.6912E-09
        0.440 1.0520E-08
        0.460 7.3285E-09
        0.480 3.8216E-09
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 7.9617E-09
        1.200 1.9118E-08
        1.400 4.4653E-08
        1.600 6.3822E-08
        1.800 2.3104E-07
        2.000 5.0119E-07
        2.200 1.1579E-06
        2.400 1.6549E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.292e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.612929
    Vd: 36.994096
    glass_code: 613370
    glass_status: preferred
    density:
      - value: 3530
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.3e-06
      - temperature_range: 293 573
        value: 9.5e-06
    dPgF: -0.0001
    resistance:
        acid: 1.0
        phosphate: 2.0