# 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: |
    Recommended 
DATA:
  - type: formula 2
    wavelength_range: 0.34 2.4
    coefficients: 0 1.09666153 0.00667491123 0.168990073 0.033609545 1.20580827 141.668738
  - type: tabulated k
    data: |
        0.340 4.6396E-06
        0.350 1.5656E-06
        0.360 6.0367E-07
        0.370 2.5512E-07
        0.380 1.2344E-07
        0.390 6.2700E-08
        0.400 3.5208E-08
        0.420 1.6753E-08
        0.440 1.4034E-08
        0.460 1.0998E-08
        0.480 7.6471E-09
        0.500 7.9657E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 1.0355E-08
        0.700 1.1152E-08
        0.800 6.3694E-09
        0.900 1.4338E-08
        1.000 1.5931E-08
        1.200 1.9118E-08
        1.400 4.4653E-08
        1.600 7.6624E-08
        1.800 3.1864E-07
        2.000 8.1636E-07
        2.200 2.0402E-06
        2.400 2.8805E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 6.73e-07 1.17e-08 -4.11e-11 5.17e-07 5.13e-10 0.241
    nd: 1.517417
    Vd: 52.430903
    glass_code: 517524
    density:
      - value: 2460
    thermal_expansion:
      - temperature_range: 243 343
        value: 8e-06
      - temperature_range: 293 573
        value: 9.3e-06
    dPgF: -0.0002
    resistance:
        climatic: 1.0
        acid: 1.0
        phosphate: 1.0