# 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: 0.33 2.4
    coefficients: 0 1.10542993 0.00669004168 0.116184325 0.0360840691 1.15396111 137.546485
  - type: tabulated k
    data: |
        0.330 8.4529E-06
        0.340 2.2835E-06
        0.350 6.5654E-07
        0.360 2.0482E-07
        0.370 8.9683E-08
        0.380 6.1092E-08
        0.390 3.1191E-08
        0.400 2.5567E-08
        0.420 3.0216E-08
        0.440 3.5190E-08
        0.460 3.6790E-08
        0.480 3.0681E-08
        0.500 2.3945E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 2.5928E-08
        0.700 1.6736E-08
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 1.5931E-08
        1.200 1.9118E-08
        1.400 1.0072E-07
        1.600 7.6624E-08
        1.800 1.1505E-07
        2.000 1.9214E-07
        2.200 9.9038E-07
        2.400 1.5925E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -6.27e-06 1.69e-08 -3.74e-11 4.3e-07 4.02e-10 0.238
    nd: 1.501372
    Vd: 56.421009
    glass_code: 501564
    glass_status: special
    density:
      - value: 2460
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.8e-06
      - temperature_range: 293 573
        value: 9.9e-06
    dPgF: 0.0031
    resistance:
        climatic: 1.0
        acid: 1.0
        phosphate: 1.0