# 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: 2.5025436 -0.010321437 2 0.012433636 -2 0.00021866535 -4 -5.5793977e-06 -6 3.0188383e-07 -8
  - type: tabulated k
    data: |
        0.280 3.7004E-06
        0.290 2.7785E-06
        0.300 2.1285E-06
        0.310 1.4748E-06
        0.320 9.4491E-07
        0.330 5.8599E-07
        0.340 3.3360E-07
        0.350 1.8421E-07
        0.360 1.0503E-07
        0.370 5.0485E-08
        0.380 3.0392E-08
        0.390 1.8677E-08
        0.400 1.2758E-08
        0.420 1.3396E-08
        0.440 1.0520E-08
        0.460 1.0998E-08
        0.480 7.6471E-09
        0.500 3.9809E-09
        0.550 4.3790E-09
        0.600 4.7770E-09
        0.650 5.1751E-09
        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 6.7675E-09
        0.900 7.1656E-09
        0.950 7.5636E-09
        1.000 1.5931E-08
        1.050 1.6728E-08
        1.060 8.4394E-09
        1.100 1.7525E-08
        1.200 1.9118E-08
        1.300 2.0711E-08
        1.400 6.7046E-08
        1.500 9.5877E-08
        1.550 9.9073E-08
CONDITIONS:
    temperature: 293
PROPERTIES:
    thermal_dispersion:
      - type: formula A
        coefficients: -5.75e-06 4.33e-09 -1.7e-11 3.99e-07 4.04e-10 0.175
    nd: 1.59271
    Vd: 66.97
    glass_code: 593670
    glass_status: standard
    density:
      - value: 3140
    thermal_expansion:
      - temperature_range: 243 343
        value: 8.9e-06
      - temperature_range: 293 573
        value: 1.16e-05
    dPgF: 0.009
    resistance:
        climatic: 1.0
        acid: 4.0