# 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: 2.590919 -0.01259476 2 0.01520205 -2 0.000299998 -4 -1.131547e-05 -6 9.15464e-07 -8
  - type: tabulated k
    data: |
        0.280 7.7401E-06
        0.290 5.0729E-06
        0.300 3.4982E-06
        0.310 2.4998E-06
        0.320 1.4449E-06
        0.330 8.6998E-07
        0.340 5.1394E-07
        0.350 2.9345E-07
        0.360 1.6206E-07
        0.370 9.5760E-08
        0.380 6.4179E-08
        0.390 4.6905E-08
        0.400 3.5208E-08
        0.420 3.0216E-08
        0.440 2.8124E-08
        0.460 1.8349E-08
        0.480 1.5310E-08
        0.500 1.5947E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 2.0732E-08
        0.700 1.6736E-08
        0.750 1.1949E-08
        0.780 2.4878E-08
        0.800 1.9127E-08
        0.830 2.6473E-08
        0.850 2.7111E-08
        0.900 3.5900E-08
        0.950 3.7894E-08
        1.000 3.9889E-08
        1.050 3.3490E-08
        1.060 3.3809E-08
        1.100 3.5084E-08
        1.200 2.8691E-08
        1.300 3.1082E-08
        1.400 4.4653E-08
        1.500 4.7842E-08
        1.550 4.9437E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 7.12968e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.62263
    Vd: 58.16
    glass_code: 623582
    glass_status: standard
    density:
      - value: 3020
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.3e-06
      - temperature_range: 293 573
        value: 8.2e-06
    dPgF: -0.0045
    resistance:
        climatic: 2.0
        stain: 3.0
        acid: 4.0