# 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: |
    Improved XMT at 365 
DATA:
  - type: formula 2
    wavelength_range: 0.28 2.4
    coefficients: 0 0.977409944 0.00557649364 0.210950834 0.0177000313 1.37142848 149.211443
  - type: tabulated k
    data: |
        0.280 3.7004E-06
        0.290 1.1407E-06
        0.300 3.6006E-07
        0.310 1.1617E-07
        0.320 4.1073E-08
        0.330 1.8447E-08
        0.340 8.1291E-09
        0.350 5.5760E-09
        0.360 5.7353E-09
        0.370 2.9458E-09
        0.380 3.0255E-09
        0.390 3.1051E-09
        0.400 3.1847E-09
        0.420 3.3439E-09
        0.440 3.5032E-09
        0.460 3.6624E-09
        0.480 3.8216E-09
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.800 6.3694E-09
        0.900 7.1656E-09
        1.000 1.5931E-08
        1.200 2.8691E-08
        1.400 2.1371E-07
        1.600 1.1511E-07
        1.800 2.4560E-07
        2.000 5.1762E-07
        2.200 2.6405E-06
        2.400 3.1039E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -6.38e-06 1.6e-08 -3.75e-11 3.18e-07 4.69e-10 0.19
    nd: 1.487490
    Vd: 70.354425
    glass_code: 487703
    density:
      - value: 2460
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.9e-06
      - temperature_range: 293 573
        value: 9.7e-06
    dPgF: 0.0021
    resistance:
        climatic: 2.0
        acid: 3.0
        phosphate: 2.0