# 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: 0.3 2.4
    coefficients: 0 1.28348331 0.00790900515 0.102800765 0.0305971274 0.404609885 46.5268356
  - type: tabulated k
    data: |
        0.300 4.2302E-06
        0.310 1.3016E-06
        0.320 4.4399E-07
        0.330 1.7088E-07
        0.340 7.9624E-08
        0.350 4.2095E-08
        0.360 2.3010E-08
        0.370 1.4759E-08
        0.380 1.2120E-08
        0.390 9.3246E-09
        0.400 6.3726E-09
        0.420 6.6912E-09
        0.440 7.0098E-09
        0.460 7.3285E-09
        0.480 7.6471E-09
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 1.0355E-08
        0.700 5.5732E-09
        0.800 6.3694E-09
        0.900 1.4338E-08
        1.000 3.1895E-08
        1.200 4.7866E-08
        1.400 1.2323E-07
        1.600 1.0227E-07
        1.800 2.3104E-07
        2.000 4.5199E-07
        2.200 1.3271E-06
        2.400 2.2256E-06
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 1.61e-06 1.32e-08 -4.12e-11 4.65e-07 5.14e-10 0.201
    nd: 1.556711
    Vd: 58.679177
    glass_code: 557587
    density:
      - value: 2900
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.6e-06
      - temperature_range: 293 573
        value: 9e-06
    dPgF: -0.0021
    resistance:
        climatic: 1.0
        acid: 1.2
        phosphate: 1.0