# 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: 0.3 2.4
    coefficients: 2.2513548 -0.0093148277 2 0.010704574 -2 0.00012187894 -4 1.0654019e-05 -6 -7.4428165e-07 -8
  - type: tabulated k
    data: |
        0.300 4.0938E-06
        0.310 1.9698E-06
        0.320 9.4491E-07
        0.330 4.5786E-07
        0.340 2.1094E-07
        0.350 1.0790E-07
        0.360 6.0801E-08
        0.370 4.1512E-08
        0.380 4.5703E-08
        0.390 2.1801E-08
        0.400 1.5955E-08
        0.420 1.6753E-08
        0.440 2.4596E-08
        0.460 1.8349E-08
        0.480 1.9146E-08
        0.500 1.5947E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 2.5928E-08
        0.700 2.2326E-08
        0.800 2.5516E-08
        0.900 3.5900E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 4.552e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.510091
    Vd: 63.635037
    glass_code: 510636
    glass_status: preferred
    density:
      - value: 2480
    thermal_expansion:
      - temperature_range: 243 343
        value: 8e-06
      - temperature_range: 293 573
        value: 9.4e-06
    dPgF: -0.0001
    resistance:
        acid: 1.0
        phosphate: 1.0