# 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: 0.29 2.4
    coefficients: 0 1.51372967 0.00705246901 0.702462343 0.0249488689 1.33600982 100.085908
  - type: tabulated k
    data: |
        0.290 9.0280E-06
        0.300 6.7165E-06
        0.310 5.9402E-06
        0.320 3.2416E-06
        0.330 2.2163E-06
        0.340 1.4738E-06
        0.350 9.5391E-07
        0.360 6.0367E-07
        0.370 3.7639E-07
        0.380 2.4886E-07
        0.390 1.8214E-07
        0.400 1.3658E-07
        0.420 9.1481E-08
        0.440 7.4313E-08
        0.460 5.9043E-08
        0.480 4.2250E-08
        0.500 2.3945E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.800 2.5516E-08
        0.900 3.5900E-08
        1.000 3.9889E-08
        1.200 4.7866E-08
        1.400 5.5844E-08
        1.600 7.6624E-08
        1.800 1.5844E-07
        2.000 4.3563E-07
        2.200 1.1205E-06
        2.400 5.2414E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.68e-06 1.12e-08 -3.17e-11 5.44e-07 6.16e-10 0.236
    nd: 1.816000
    Vd: 46.620561
    glass_code: 816466
    density:
      - value: 5070
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
      - temperature_range: 293 573
        value: 7.6e-06
    dPgF: -0.0092
    resistance:
        climatic: 1.0
        acid: 3.0
        phosphate: 1.0