# 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: 2.421996 -0.009200161 2 0.01374045 -2 0.000348582 -4 -1.664649e-05 -6 1.313751e-06 -8
  - type: tabulated k
    data: |
        0.360 1.8642E-07
        0.370 1.1101E-07
        0.380 8.8991E-08
        0.390 5.3213E-08
        0.400 3.1991E-08
        0.420 2.6846E-08
        0.440 3.1655E-08
        0.460 2.5714E-08
        0.480 2.2987E-08
        0.500 1.9944E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.800 1.9127E-08
        0.900 1.4410E-08
CONDITIONS:
    temperature: 298
PROPERTIES:
    nd: 1.568832
    Vd: 56.339266
    glass_code: 569563
    glass_status: preferred
    density:
      - value: 3080
    thermal_expansion:
      - temperature_range: 243 343
        value: 7.3e-06
      - temperature_range: 293 573
        value: 8.5e-06
    dPgF: -0.0025