# 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: 2.4238569 -0.0094940065 2 0.016206639 -2 0.0010105149 -4 -7.2683761e-05 -6 5.4198492e-06 -8
  - type: tabulated k
    data: |
        0.310 8.6503E-06
        0.320 2.8232E-06
        0.330 1.0912E-06
        0.340 4.7174E-07
        0.350 2.2619E-07
        0.360 1.1396E-07
        0.370 7.1527E-08
        0.380 5.8008E-08
        0.390 2.8058E-08
        0.400 1.9156E-08
        0.420 1.6753E-08
        0.440 2.1072E-08
        0.460 1.8349E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 8.7623E-09
        0.600 1.4345E-08
        0.650 2.0732E-08
        0.700 1.1152E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 2.501e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.573092
    Vd: 42.576094
    glass_code: 573426
    glass_status: preferred
    density:
      - value: 3170
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.5e-06
      - temperature_range: 293 573
        value: 9.5e-06
    dPgF: -0.0007
    resistance:
        acid: 1.0
        phosphate: 1.0