# 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: 0.365015 2.32542
    coefficients: 0 1.06788467 0.00518896058 0.75873535 0.0204004357 1.02804682 120.82632
  - type: tabulated k
    data: |
        0.300 1.0994E-05
        0.310 5.9402E-06
        0.320 3.3342E-06
        0.330 1.8733E-06
        0.340 1.0835E-06
        0.350 6.2150E-07
        0.360 3.6622E-07
        0.370 2.0104E-07
        0.380 1.2344E-07
        0.390 8.1759E-08
        0.400 5.7818E-08
        0.420 4.3734E-08
        0.440 4.5817E-08
        0.460 4.0489E-08
        0.480 3.0681E-08
        0.500 2.3945E-08
        0.550 1.7542E-08
        0.600 2.3933E-08
        0.650 3.1129E-08
        0.700 2.2326E-08
        0.800 1.2745E-08
        0.900 2.1518E-08
        1.000 2.3909E-08
        1.200 1.9118E-08
        1.400 3.3473E-08
        1.600 6.3822E-08
        1.800 2.1649E-07
        2.000 5.0119E-07
        2.200 1.1766E-06
        2.400 3.3299E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -6.99e-06 8.4e-09 -7.12e-12 6.14e-07 5.44e-10 0.202
    nd: 1.699300
    Vd: 51.112184
    density:
      - value: 4380
    thermal_expansion:
      - temperature_range: 243 343
        value: 9e-06
    dPgF: -0.0036
    resistance:
        climatic: 1.0
        acid: 53.1
        phosphate: 4.2