# 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: 3.1667902 -0.013141416 2 0.047178656 -2 0.0022684284 -4 -5.3672387e-05 -6 2.5328422e-05 -8
  - type: tabulated k
    data: |
        0.370 1.1669E-05
        0.380 5.7368E-06
        0.390 2.9064E-06
        0.400 1.6473E-06
        0.420 7.6676E-07
        0.440 4.5955E-07
        0.460 3.1319E-07
        0.480 2.2013E-07
        0.500 1.5414E-07
        0.550 5.2839E-08
        0.600 2.3933E-08
        0.650 2.5928E-08
        0.700 1.6736E-08
        0.750 1.1949E-08
        0.780 1.2427E-08
        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 1.1146E-08
        1.500 1.1943E-08
        1.550 1.2341E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -2.8056e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.82165
    Vd: 24.04
    glass_code: 822240
    glass_status: standard
    density:
      - value: 3690
    thermal_expansion:
      - temperature_range: 243 343
        value: 9.5e-06
      - temperature_range: 293 573
        value: 1.21e-05
    dPgF: 0.0187
    resistance:
        climatic: 1.0
        stain: 1.0
        acid: 1.0