# 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: 3.164475 -0.013801295 2 0.027926276 -2 0.00057403 -4 9.8223773e-07 -6 1.3284244e-06 -8
  - type: tabulated k
    data: |
        0.290 7.9433E-06
        0.300 6.2813E-06
        0.310 5.0713E-06
        0.320 3.4500E-06
        0.330 2.3478E-06
        0.340 1.5930E-06
        0.350 1.0335E-06
        0.360 6.3568E-07
        0.370 3.8980E-07
        0.380 2.4557E-07
        0.390 1.6573E-07
        0.400 1.1671E-07
        0.420 7.0935E-08
        0.440 4.9366E-08
        0.460 3.3094E-08
        0.480 2.2987E-08
        0.500 7.9657E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        0.700 5.5732E-09
        0.750 2.9916E-08
        0.780 3.1113E-08
        0.800 2.5516E-08
        0.830 1.3223E-08
        0.850 2.0323E-08
        0.900 2.1518E-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 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: 7.66812e-06 0.0 0.0 0.0 0.0 0.0
    nd: 1.80154
    Vd: 45.46
    glass_code: 802455
    glass_status: standard
    density:
      - value: 4840
    thermal_expansion:
      - temperature_range: 243 343
        value: 6.2e-06
      - temperature_range: 293 573
        value: 7.7e-06
    dPgF: -0.0084
    resistance:
        climatic: 1.0
        stain: 3.0
        acid: 3.0