# 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: 0.32 2.4
    coefficients: 0 1.50305799 0.00999021738 0.221715926 0.0450327698 1.84496391 163.722302
  - type: tabulated k
    data: |
        0.320 8.1968E-06
        0.330 2.6110E-06
        0.340 1.0040E-06
        0.350 4.5265E-07
        0.360 2.2954E-07
        0.370 1.2634E-07
        0.380 7.3460E-08
        0.390 4.6905E-08
        0.400 3.1991E-08
        0.420 2.3478E-08
        0.440 2.1072E-08
        0.460 1.8349E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        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 4.4653E-08
        1.600 6.3822E-08
        1.800 2.4560E-07
        2.000 4.6837E-07
        2.200 1.2329E-06
        2.400 1.7593E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.88e-06 5.19e-09 -3.15e-11 7.29e-07 9.66e-10 0.25
    nd: 1.672999
    Vd: 38.148170
    density:
      - value: 3090
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.6e-06
    dPgF: -0.0043
    resistance:
        climatic: 4.0
        acid: 1.0
        phosphate: 1.0