# 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 3
    wavelength_range: 0.3 2.4
    coefficients: 2.5078369 -0.008947152 2 0.020469459 -2 0.00089114494 -4 -3.6312577e-05 -6 4.5477906e-06 -8
  - type: tabulated k
    data: |
        0.320 5.8635E-06
        0.330 2.0969E-06
        0.340 8.8881E-07
        0.350 4.2007E-07
        0.360 2.1098E-07
        0.370 1.1713E-07
        0.380 8.2769E-08
        0.390 4.3756E-08
        0.400 2.5567E-08
        0.420 2.0114E-08
        0.440 2.1072E-08
        0.460 1.8349E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 2.0732E-08
        0.700 1.1152E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.756e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.603420
    Vd: 38.012915
    glass_code: 603380
    glass_status: preferred
    density:
      - value: 3440
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.8e-06
      - temperature_range: 293 573
        value: 9.8e-06
    dPgF: -0.0004
    resistance:
        acid: 1.0
        phosphate: 2.0