# 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: 3.2288052 -0.014433046 2 0.029863488 -2 0.00082119282 -4 -1.0943492e-05 -6 2.5804939e-06 -8
  - type: tabulated k
    data: |
        0.340 6.4263E-06
        0.350 3.1476E-06
        0.360 1.5359E-06
        0.370 8.1192E-07
        0.380 4.8434E-07
        0.390 3.1666E-07
        0.400 2.2075E-07
        0.420 1.3296E-07
        0.440 9.2241E-08
        0.460 6.6490E-08
        0.480 4.6114E-08
        0.500 2.7950E-08
        0.550 8.7623E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.750 2.3921E-08
        0.780 1.8649E-08
        0.800 6.3694E-09
        0.830 1.3223E-08
        0.850 6.7675E-09
        0.900 1.4338E-08
        0.950 7.5636E-09
        1.000 7.9617E-09
        1.050 8.3598E-09
        1.060 2.5344E-08
        1.100 1.7525E-08
        1.200 9.5541E-09
        1.300 1.0350E-08
        1.400 3.3473E-08
        1.500 4.7842E-08
        1.550 4.9437E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 7.04123e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.82130
    Vd: 42.72
    glass_code: 821427
    glass_status: standard
    density:
      - value: 5010
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.4e-06
      - temperature_range: 293 573
        value: 7.7e-06
    dPgF: -0.0065
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 3.0