# 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 3
    wavelength_range: 0.365 0.9
    coefficients: 3.397212 -0.0158255 2 0.03681892 -2 0.001759645 -4 -8.404167e-05 -6 1.052281e-05 -8
  - type: tabulated k
    data: |
        0.420 2.2821E-07
        0.440 1.5755E-07
        0.460 1.0773E-07
        0.480 7.7169E-08
        0.500 5.6098E-08
        0.550 2.6340E-08
        0.600 2.3933E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.6897e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.873996
    Vd: 35.258594
    glass_code: 874353
    glass_status: preferred
    density:
      - value: 4570
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 7.5e-06
    dPgF: -0.0017