# 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: 0.365 0.9
    coefficients: 2.284302 -0.008132863 2 0.01240948 -2 -7.446766e-06 -4 2.86937e-05 -6 -1.237616e-06 -8
  - type: tabulated k
    data: |
        0.340 2.4627E-07
        0.350 1.2824E-07
        0.360 6.6660E-08
        0.370 4.4500E-08
        0.380 4.2634E-08
        0.390 2.1801E-08
        0.400 1.2758E-08
        0.420 1.3396E-08
        0.440 1.7551E-08
        0.460 1.4672E-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 1.6736E-08
        0.800 1.9127E-08
        0.900 2.5111E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.9066e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.522494
    Vd: 59.790926
    glass_code: 522598
    glass_status: preferred
    density:
      - value: 2560
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.2e-06
      - temperature_range: 293 573
        value: 9.6e-06
    dPgF: 0.0003