# 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: 2.264123 -0.008475121 2 0.01223501 -2 0.0001944071 -4 3.353212e-07 -6 3.831994e-07 -8
  - type: tabulated k
    data: |
        0.340 1.7895E-07
        0.350 8.7708E-08
        0.360 4.6207E-08
        0.370 3.2567E-08
        0.380 3.6507E-08
        0.390 1.8677E-08
        0.400 1.2758E-08
        0.420 1.6753E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        0.480 1.5310E-08
        0.500 1.1955E-08
        0.550 1.3150E-08
        0.600 1.4345E-08
        0.650 2.0732E-08
        0.700 2.2326E-08
        0.800 1.9127E-08
        0.900 2.1877E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 3.4466e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.516016
    Vd: 56.800755
    glass_code: 516568
    glass_status: preferred
    density:
      - value: 2590
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.6e-06
      - temperature_range: 293 573
        value: 9e-06
    dPgF: -0.0033