# 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: 0.3 2.4
    coefficients: 0 0.714605258 0.00301763913 0.621993289 0.016650545 1.22537681 143.506314
  - type: tabulated k
    data: |
        0.300 9.3393E-06
        0.310 3.6255E-06
        0.320 1.4314E-06
        0.330 5.8599E-07
        0.340 2.4330E-07
        0.350 1.1660E-07
        0.360 6.0801E-08
        0.370 3.2567E-08
        0.380 2.4289E-08
        0.390 1.5557E-08
        0.400 9.5636E-09
        0.420 1.0042E-08
        0.440 1.0520E-08
        0.460 1.0998E-08
        0.480 7.6471E-09
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 1.0355E-08
        0.700 5.5732E-09
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 7.8260E-08
        1.600 6.3822E-08
        1.800 2.4560E-07
        2.000 5.5054E-07
        2.200 1.4598E-06
        2.400 2.2256E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -3.77e-07 1.04e-08 -3.79e-11 4.41e-07 4.08e-10 0.232
    nd: 1.539956
    Vd: 59.462478
    glass_code: 540595
    density:
      - value: 2750
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.6e-06
      - temperature_range: 293 573
        value: 1.02e-05
    dPgF: -0.0012
    resistance:
        climatic: 1.0
        acid: 1.0
        phosphate: 2.0