# 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: 3.4286062 -0.013845333 2 0.037363009 -2 0.0011894554 -4 -1.5979979e-05 -6 5.1827398e-06 -8
  - type: tabulated k
    data: |
        0.350 8.1294E-06
        0.360 3.9260E-06
        0.370 1.9424E-06
        0.380 1.0656E-06
        0.390 6.4250E-07
        0.400 4.2504E-07
        0.420 2.2821E-07
        0.440 1.5024E-07
        0.460 1.0773E-07
        0.480 7.7169E-08
        0.500 5.2065E-08
        0.550 1.7542E-08
        0.600 9.5589E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.750 5.9713E-09
        0.780 6.2101E-09
        0.800 1.2745E-08
        0.830 1.3223E-08
        0.850 1.3542E-08
        0.900 1.4338E-08
        0.950 1.5135E-08
        1.000 1.5931E-08
        1.050 1.6728E-08
        1.060 1.6887E-08
        1.100 1.7525E-08
        1.200 1.9118E-08
        1.300 2.0711E-08
        1.400 3.3473E-08
        1.500 5.9833E-08
        1.550 4.9437E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: 7.80622e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.88202
    Vd: 37.22
    glass_code: 882372
    glass_status: standard
    density:
      - value: 5490
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.7e-06
      - temperature_range: 293 573
        value: 7.3e-06
    dPgF: -0.0044
    resistance:
        climatic: 1.0
        stain: 2.0
        acid: 3.0