# 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: 0.29 2.4
    coefficients: 0 1.1515019 0.010598413 0.118583612 -0.011822519 1.26301359 129.617662
  - type: tabulated k
    data: |
        0.290 5.8287E-06
        0.300 2.7960E-06
        0.310 1.3438E-06
        0.320 6.6556E-07
        0.330 3.3570E-07
        0.340 1.6741E-07
        0.350 9.0584E-08
        0.360 4.6207E-08
        0.370 2.6619E-08
        0.380 2.7339E-08
        0.390 1.2439E-08
        0.400 9.5636E-09
        0.420 1.3396E-08
        0.440 1.7551E-08
        0.460 1.8349E-08
        0.480 1.5310E-08
        0.500 1.5947E-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 2.1518E-08
        1.000 3.1895E-08
        1.200 4.7866E-08
        1.400 2.0236E-07
        1.600 1.1511E-07
        1.800 2.8938E-07
        2.000 6.3313E-07
        2.200 2.0402E-06
        2.400 3.1039E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.7e-06 1.43e-08 -4.27e-11 4.08e-07 6.74e-10 0.201
    nd: 1.516330
    Vd: 64.142022
    glass_code: 516641
    density:
      - value: 2520
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.2e-06
      - temperature_range: 293 573
        value: 8.6e-06
    dPgF: -0.0024
    resistance:
        climatic: 1.0
        acid: 1.0
        phosphate: 2.0