# 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: 3.327184 -0.01343242 2 0.033398 -2 0.001006047 -4 -2.136908e-05 -6 3.972561e-06 -8
  - type: tabulated k
    data: |
        0.340 1.0091E-05
        0.350 4.4275E-06
        0.360 1.9346E-06
        0.370 9.5092E-07
        0.380 5.0929E-07
        0.390 3.0637E-07
        0.400 2.0034E-07
        0.420 1.0180E-07
        0.440 7.4313E-08
        0.460 5.1610E-08
        0.480 3.8389E-08
        0.500 1.9944E-08
        0.550 1.3150E-08
        0.600 1.9137E-08
        0.650 2.5928E-08
        0.700 2.7922E-08
        0.750 2.9916E-08
        0.780 3.1113E-08
        0.800 3.8312E-08
        0.830 2.6473E-08
        0.850 4.0707E-08
        0.900 5.0310E-08
        0.950 4.5496E-08
        1.000 5.5900E-08
        1.050 5.0285E-08
        1.060 5.0764E-08
        1.100 5.2679E-08
        1.200 4.7866E-08
        1.300 4.1463E-08
        1.400 4.4653E-08
        1.500 4.7842E-08
        1.550 6.1827E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 5.25e-06 1.17e-08 -4.51e-11 1.25e-06 1.27e-09 0.0455
    nd: 1.85135
    Vd: 40.10
    glass_code: 851401
    glass_status: standard
    density:
      - value: 5250
    thermal_expansion:
      - temperature_range: 243 343
        value: 6e-06
      - temperature_range: 293 573
        value: 7.8e-06
    dPgF: -0.0067
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 3.0