# 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 6.5758E-06
        0.350 2.7767E-06
        0.360 1.1644E-06
        0.370 5.8072E-07
        0.380 3.1860E-07
        0.390 1.9203E-07
        0.400 1.2994E-07
        0.420 7.0935E-08
        0.440 5.2919E-08
        0.460 3.6790E-08
        0.480 2.6832E-08
        0.500 1.9944E-08
        0.550 1.3150E-08
        0.600 9.5589E-09
        0.650 1.0355E-08
        0.700 5.5732E-09
        0.750 5.9713E-09
        0.780 6.2101E-09
        0.800 6.3694E-09
        0.830 6.6082E-09
        0.850 1.3542E-08
        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 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