# 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: 0.36 2.4
    coefficients: 0 1.71014712 0.010516108 0.256943292 0.0502809636 1.63986271 146.181217
  - type: tabulated k
    data: |
        0.360 7.2357E-06
        0.370 3.1764E-06
        0.380 1.5955E-06
        0.390 8.9283E-07
        0.400 5.5498E-07
        0.420 2.2463E-07
        0.440 1.2475E-07
        0.460 8.5176E-08
        0.480 6.1610E-08
        0.500 4.4010E-08
        0.550 1.7542E-08
        0.600 1.4345E-08
        0.650 1.0355E-08
        0.700 1.1152E-08
        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 5.1032E-08
        1.800 1.4396E-07
        2.000 2.8909E-07
        2.200 8.9799E-07
        2.400 2.4414E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.3e-06 1.23e-08 -3.62e-11 7.71e-07 8.56e-10 0.265
    nd: 1.749497
    Vd: 35.283397
    glass_code: 750353
    density:
      - value: 3810
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.7e-06
      - temperature_range: 293 573
        value: 7.9e-06
    dPgF: 0.0025
    resistance:
        climatic: 1.0
        acid: 1.0
        phosphate: 1.0