# 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/hoya_2017-04-01.agf">HOYA Zemax catalog 2017-04-01</a> (obtained from <a href="http://www.hoya-opticalworld.com/english/datadownload/">http://www.hoya-opticalworld.com</a>)
COMMENTS: |
    Preforms for Precision molding
DATA:
  - type: formula 3
    wavelength_range: 0.36501 1.01398
    coefficients: 2.3850427 -0.007914269 2 0.0094886852 -2 0.00057980093 -4 -6.0011677e-05 -6 3.0355422e-06 -8
  - type: tabulated k
    data: |
        0.310 9.0033E-06
        0.320 5.6440E-06
        0.330 3.2780E-06
        0.340 1.7641E-06
        0.350 8.8418E-07
        0.360 4.0885E-07
        0.370 1.8532E-07
        0.380 8.5878E-08
        0.390 4.3756E-08
        0.400 2.2360E-08
        0.420 2.0114E-08
        0.440 1.7551E-08
        0.460 1.4672E-08
        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 1.1152E-08
        0.750 5.9713E-09
        0.780 6.2101E-09
        0.800 6.3694E-09
        0.830 6.6082E-09
        0.850 6.7675E-09
        0.900 7.1656E-09
        0.950 7.5636E-09
        1.000 7.9617E-09
        1.050 8.3598E-09
        1.060 8.4394E-09
        1.100 8.7579E-09
        1.200 9.5541E-09
        1.300 1.0350E-08
        1.400 3.3473E-08
        1.500 3.5864E-08
        1.550 3.7059E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -1.78e-05 -4.97e-09 7.88e-11 4.91e-07 3.43e-10 4.41e-08
    nd: 1.55352
    Vd: 71.72
    glass_code: 554717
    glass_status: standard
    density:
      - value: 3660
    thermal_expansion:
      - temperature_range: 243 343
        value: 1.24e-05
      - temperature_range: 293 573
        value: 1.53e-05
    dPgF: 0.0207
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 3.0