# 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: |
    
DATA:
  - type: formula 2
    wavelength_range: 0.365015 2.32542
    coefficients: 0 1.96723017 0.0110456086 0.194953915 0.0497137061 1.25386282 104.84352
  - type: tabulated k
    data: |
        0.340 1.2460E-05
        0.350 5.4760E-06
        0.360 2.3519E-06
        0.370 1.0925E-06
        0.380 6.0010E-07
        0.390 3.6167E-07
        0.400 2.4128E-07
        0.420 1.3992E-07
        0.440 9.5838E-08
        0.460 7.0220E-08
        0.480 4.9982E-08
        0.500 3.5972E-08
        0.550 1.7542E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.800 1.2745E-08
        0.900 1.4338E-08
        1.000 7.9617E-09
        1.200 9.5541E-09
        1.400 2.2304E-08
        1.600 6.3822E-08
        1.800 1.8743E-07
        2.000 5.1762E-07
        2.200 1.4028E-06
        2.400 4.9917E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.81e-06 9.15e-09 -8.1e-12 7.5e-07 7.86e-10 0.243
    nd: 1.804400
    Vd: 39.580489
    density:
      - value: 4450
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.9e-06
    dPgF: -0.0012
    resistance:
        climatic: 3.0
        acid: 51.2
        phosphate: 1.0