# 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: 2.3006861 -0.0098822575 2 0.013878959 -2 0.00016341277 -4 1.4393331e-05 -6 -9.3322118e-08 -8
  - type: tabulated k
    data: |
        0.300 8.3713E-06
        0.310 3.8500E-06
        0.320 1.9774E-06
        0.330 1.0912E-06
        0.340 6.0374E-07
        0.350 3.5604E-07
        0.360 2.0175E-07
        0.370 1.2634E-07
        0.380 9.8348E-08
        0.390 5.6372E-08
        0.400 3.5208E-08
        0.420 2.6846E-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 6.3694E-09
        0.900 7.1656E-09
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 7.094e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.529441
    Vd: 51.722557
    glass_code: 529517
    glass_status: preferred
    density:
      - value: 2570
    thermal_expansion:
      - temperature_range: 243 343
        value: 5.4e-06
      - temperature_range: 293 573
        value: 6e-06
    dPgF: -0.0067
    resistance:
        acid: 1.0
        phosphate: 1.0