# 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: 2.1205655 -0.0089437249 2 0.0090242393 -2 0.00013786285 -4 -8.2750398e-07 -6 2.6740448e-08 -8
  - type: tabulated k
    data: |
        0.300 6.7165E-06
        0.310 3.7352E-06
        0.320 2.0906E-06
        0.330 1.1313E-06
        0.340 6.3778E-07
        0.350 3.5604E-07
        0.360 1.8642E-07
        0.370 1.0185E-07
        0.380 7.6560E-08
        0.390 4.3756E-08
        0.400 3.1991E-08
        0.420 2.3478E-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
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -4.652e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.464499
    Vd: 65.938855
    glass_code: 465659
    glass_status: preferred
    density:
      - value: 2250
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.9e-06
      - temperature_range: 293 573
        value: 9.3e-06
    dPgF: -0.002
    resistance:
        acid: 52.0
        phosphate: 2.0