# 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: 0.31 2.4
    coefficients: 0 1.09775423 0.01233694 0.434816432 -0.000372522903 1.13894976 124.276984
  - type: tabulated k
    data: |
        0.310 8.6503E-06
        0.320 5.8635E-06
        0.330 3.6405E-06
        0.340 2.1605E-06
        0.350 1.2430E-06
        0.360 7.1179E-07
        0.370 3.7639E-07
        0.380 2.0324E-07
        0.390 1.1701E-07
        0.400 7.4066E-08
        0.420 4.7122E-08
        0.440 4.5817E-08
        0.460 4.0489E-08
        0.480 3.0681E-08
        0.500 2.3945E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.800 1.9127E-08
        0.900 2.1518E-08
        1.000 3.1895E-08
        1.200 2.8691E-08
        1.400 7.8260E-08
        1.600 1.6661E-07
        1.800 4.8067E-07
        2.000 9.6786E-07
        2.200 2.4381E-06
        2.400 3.5586E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -9.57e-06 1.38e-08 -6.4e-12 4.8e-07 8.06e-10 0.131
    nd: 1.603001
    Vd: 65.443648
    glass_code: 603655
    density:
      - value: 3510
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.3e-06
      - temperature_range: 293 573
        value: 1.09e-05
    dPgF: 0.0045
    resistance:
        climatic: 1.0
        acid: 51.0
        phosphate: 4.0