# 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: 2.6040004 -0.0089503263 2 0.023811801 -2 0.00097080592 -4 -3.0707494e-05 -6 5.4397201e-06 -8
  - type: tabulated k
    data: |
        0.330 6.0467E-06
        0.340 2.2835E-06
        0.350 9.9342E-07
        0.360 4.9949E-07
        0.370 2.6799E-07
        0.380 1.6787E-07
        0.390 9.7732E-08
        0.400 5.7818E-08
        0.420 3.0216E-08
        0.440 2.4596E-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 1.5541E-08
        0.700 1.1152E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 6.052e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.636358
    Vd: 35.376536
    glass_code: 636354
    glass_status: preferred
    density:
      - value: 3740
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.5e-06
      - temperature_range: 293 573
        value: 9.4e-06
    dPgF: 0.0009
    resistance:
        acid: 1.0
        phosphate: 2.0