# 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: 0.34 2.4
    coefficients: 0 1.44305741 0.0081920891 0.140786358 0.0356911455 1.26093951 131.959337
  - type: tabulated k
    data: |
        0.340 6.8337E-06
        0.350 2.7692E-06
        0.360 1.2341E-06
        0.370 6.2044E-07
        0.380 3.1525E-07
        0.390 1.8544E-07
        0.400 1.1671E-07
        0.420 6.4114E-08
        0.440 5.2919E-08
        0.460 4.4192E-08
        0.480 3.4533E-08
        0.500 2.3945E-08
        0.550 1.3150E-08
        0.600 2.3933E-08
        0.650 3.1129E-08
        0.700 2.2326E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
        1.000 2.3909E-08
        1.200 1.9118E-08
        1.400 7.8260E-08
        1.600 6.3822E-08
        1.800 1.4396E-07
        2.000 3.2154E-07
        2.200 1.1205E-06
        2.400 2.6597E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.82e-06 1.07e-08 -3.24e-11 4.7e-07 7.23e-10 0.235
    nd: 1.622296
    Vd: 53.169067
    glass_code: 622532
    density:
      - value: 3240
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.6e-06
      - temperature_range: 293 573
        value: 7.6e-06
    dPgF: -0.0012
    resistance:
        climatic: 2.0
        acid: 3.2
        phosphate: 1.0